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<div class="title">dbus-mainloop.c</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* dbus-mainloop.c Main loop utility</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright © 2003, 2004 Red Hat, Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright © 2011 Nokia Corporation</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00008"></a>00008 <span class="comment"> * </span>
<a name="l00009"></a>00009 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> * (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00017"></a>00017 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00020"></a>00020 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00022"></a>00022 <span class="comment"> *</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <config.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-mainloop.h"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <dbus/dbus-hash.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <dbus/dbus-list.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <dbus/dbus-socket-set.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <dbus/dbus-watch.h></span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#define MAINLOOP_SPEW 0</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="keyword">struct </span>DBusLoop
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keywordtype">int</span> refcount;
<a name="l00041"></a>00041 <a class="code" href="structDBusHashTable.html" title="Internals of DBusHashTable.">DBusHashTable</a> *watches;
<a name="l00042"></a>00042 DBusSocketSet *socket_set;
<a name="l00043"></a>00043 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *timeouts;
<a name="l00044"></a>00044 <span class="keywordtype">int</span> callback_list_serial;
<a name="l00045"></a>00045 <span class="keywordtype">int</span> watch_count;
<a name="l00046"></a>00046 <span class="keywordtype">int</span> timeout_count;
<a name="l00047"></a>00047 <span class="keywordtype">int</span> depth;
<a name="l00048"></a>00048 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *need_dispatch;
<a name="l00051"></a>00051 <span class="keywordtype">unsigned</span> oom_watch_pending : 1;
<a name="l00052"></a>00052 };
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">typedef</span> <span class="keyword">struct</span>
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <a class="code" href="structDBusTimeout.html" title="Internals of DBusTimeout.">DBusTimeout</a> *timeout;
<a name="l00057"></a>00057 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> last_tv_sec;
<a name="l00058"></a>00058 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> last_tv_usec;
<a name="l00059"></a>00059 } TimeoutCallback;
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="preprocessor">#define TIMEOUT_CALLBACK(callback) ((TimeoutCallback*)callback)</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="keyword">static</span> TimeoutCallback*
<a name="l00064"></a>00064 timeout_callback_new (<a class="code" href="structDBusTimeout.html" title="Internals of DBusTimeout.">DBusTimeout</a> *timeout)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 TimeoutCallback *cb;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 cb = <a class="code" href="group__DBusMemory.html#ga54ccb556e7964112a825a7f46c156ca0" title="Safe macro for using dbus_malloc().">dbus_new</a> (TimeoutCallback, 1);
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (cb == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00070"></a>00070 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 cb->timeout = timeout;
<a name="l00073"></a>00073 <a class="code" href="group__DBusSysdeps.html#gab9951a7fd8c33188bf86314e7fd56300" title="Get current time, as in gettimeofday().">_dbus_get_monotonic_time</a> (&cb->last_tv_sec,
<a name="l00074"></a>00074 &cb->last_tv_usec);
<a name="l00075"></a>00075 <span class="keywordflow">return</span> cb;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00079"></a>00079 timeout_callback_free (TimeoutCallback *cb)
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (cb);
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00085"></a>00085 free_watch_table_entry (<span class="keywordtype">void</span> *data)
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches = data;
<a name="l00088"></a>00088 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="comment">/* DBusHashTable sometimes calls free_function(NULL) even if you never</span>
<a name="l00091"></a>00091 <span class="comment"> * have NULL as a value */</span>
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00093"></a>00093 <span class="keywordflow">return</span>;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordflow">for</span> (watch = <a class="code" href="group__DBusList.html#gacb96c9d3e9a869e63b8db4f8913a5a60" title="Removes the first value in the list and returns it.">_dbus_list_pop_first</a> (watches);
<a name="l00096"></a>00096 watch != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00097"></a>00097 watch = <a class="code" href="group__DBusList.html#gacb96c9d3e9a869e63b8db4f8913a5a60" title="Removes the first value in the list and returns it.">_dbus_list_pop_first</a> (watches))
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (watch);
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 _dbus_assert (*watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00103"></a>00103 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (watches);
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 DBusLoop*
<a name="l00107"></a>00107 _dbus_loop_new (<span class="keywordtype">void</span>)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 DBusLoop *loop;
<a name="l00110"></a>00110
<a name="l00111"></a>00111 loop = <a class="code" href="group__DBusMemory.html#gaba9d823abda7f4cadbaf5177d3b8b793" title="Safe macro for using dbus_malloc0().">dbus_new0</a> (DBusLoop, 1);
<a name="l00112"></a>00112 <span class="keywordflow">if</span> (loop == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00113"></a>00113 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 loop->watches = <a class="code" href="group__DBusHashTable.html#gac8e434348a354b9606d4c50c127a5eb4" title="Constructs a new hash table.">_dbus_hash_table_new</a> (<a class="code" href="group__DBusHashTable.html#ggab0ab9767ffa5b6720a13b3d741630852a26446bd9fbb15c6c381b35a810207141" title="Hash keys are integers.">DBUS_HASH_INT</a>, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>,
<a name="l00116"></a>00116 free_watch_table_entry);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 loop->socket_set = _dbus_socket_set_new (0);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordflow">if</span> (loop->watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a> || loop->socket_set == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (loop->watches != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00123"></a>00123 <a class="code" href="group__DBusHashTable.html#ga96b777e00764b44e0f3216fd8478f5a9" title="Decrements the reference count for a hash table, freeing the hash table if the count reaches zero...">_dbus_hash_table_unref</a> (loop->watches);
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (loop->socket_set != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00126"></a>00126 _dbus_socket_set_free (loop->socket_set);
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (loop);
<a name="l00129"></a>00129 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00132"></a>00132 loop->refcount = 1;
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordflow">return</span> loop;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 DBusLoop *
<a name="l00138"></a>00138 _dbus_loop_ref (DBusLoop *loop)
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 _dbus_assert (loop != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00141"></a>00141 _dbus_assert (loop->refcount > 0);
<a name="l00142"></a>00142
<a name="l00143"></a>00143 loop->refcount += 1;
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordflow">return</span> loop;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordtype">void</span>
<a name="l00149"></a>00149 _dbus_loop_unref (DBusLoop *loop)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 _dbus_assert (loop != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00152"></a>00152 _dbus_assert (loop->refcount > 0);
<a name="l00153"></a>00153
<a name="l00154"></a>00154 loop->refcount -= 1;
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (loop->refcount == 0)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordflow">while</span> (loop->need_dispatch)
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <a class="code" href="structDBusConnection.html" title="Implementation details of DBusConnection.">DBusConnection</a> *connection = <a class="code" href="group__DBusList.html#gacb96c9d3e9a869e63b8db4f8913a5a60" title="Removes the first value in the list and returns it.">_dbus_list_pop_first</a> (&loop->need_dispatch);
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <a class="code" href="group__DBusConnection.html#ga6385ff09bc108238c4429e7c195dab25" title="Decrements the reference count of a DBusConnection, and finalizes it if the count reaches zero...">dbus_connection_unref</a> (connection);
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <a class="code" href="group__DBusHashTable.html#ga96b777e00764b44e0f3216fd8478f5a9" title="Decrements the reference count for a hash table, freeing the hash table if the count reaches zero...">_dbus_hash_table_unref</a> (loop->watches);
<a name="l00165"></a>00165 _dbus_socket_set_free (loop->socket_set);
<a name="l00166"></a>00166 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (loop);
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keyword">static</span> <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **
<a name="l00171"></a>00171 ensure_watch_table_entry (DBusLoop *loop,
<a name="l00172"></a>00172 <span class="keywordtype">int</span> fd)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 watches = <a class="code" href="group__DBusHashTable.html#ga36ff49c4c35599e6fcdadc7f6805c49e" title="Looks up the value for a given integer in a hash table of type DBUS_HASH_INT.">_dbus_hash_table_lookup_int</a> (loop->watches, fd);
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 watches = <a class="code" href="group__DBusMemory.html#gaba9d823abda7f4cadbaf5177d3b8b793" title="Safe macro for using dbus_malloc0().">dbus_new0</a> (<a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *, 1);
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00183"></a>00183 <span class="keywordflow">return</span> watches;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusHashTable.html#gaca20a83f3214db08fa34df2c49c8edd5" title="Creates a hash entry with the given key and value.">_dbus_hash_table_insert_int</a> (loop->watches, fd, watches))
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 <a class="code" href="group__DBusMemory.html#ga34e666b19b015035a9a31e53da84b39a" title="Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().">dbus_free</a> (watches);
<a name="l00188"></a>00188 watches = <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="keywordflow">return</span> watches;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00196"></a>00196 cull_watches_for_invalid_fd (DBusLoop *loop,
<a name="l00197"></a>00197 <span class="keywordtype">int</span> fd)
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *link;
<a name="l00200"></a>00200 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches;
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <a class="code" href="group__DBusInternalsUtils.html#gabea2c16d6d3fe7c4eb5b9496fc877f84" title="Prints a warning message to stderr.">_dbus_warn</a> (<span class="stringliteral">"invalid request, socket fd %d not open\n"</span>, fd);
<a name="l00203"></a>00203 watches = <a class="code" href="group__DBusHashTable.html#ga36ff49c4c35599e6fcdadc7f6805c49e" title="Looks up the value for a given integer in a hash table of type DBUS_HASH_INT.">_dbus_hash_table_lookup_int</a> (loop->watches, fd);
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keywordflow">if</span> (watches != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordflow">for</span> (link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (watches);
<a name="l00208"></a>00208 link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00209"></a>00209 link = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (watches, link))
<a name="l00210"></a>00210 <a class="code" href="group__DBusWatchInternals.html#gad8521d64123c1d1ae9a094bac8addd31" title="Clears the file descriptor from a now-invalid watch object so that no one tries to use it...">_dbus_watch_invalidate</a> (link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>);
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <a class="code" href="group__DBusHashTable.html#gacdebe75bd692605a69dc73c15e0eefd0" title="Removes the hash entry for the given key.">_dbus_hash_table_remove_int</a> (loop->watches, fd);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00217"></a>00217 gc_watch_table_entry (DBusLoop *loop,
<a name="l00218"></a>00218 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches,
<a name="l00219"></a>00219 <span class="keywordtype">int</span> fd)
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 <span class="comment">/* If watches is already NULL we have nothing to do */</span>
<a name="l00222"></a>00222 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00223"></a>00223 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="comment">/* We can't GC hash table entries if they're non-empty lists */</span>
<a name="l00226"></a>00226 <span class="keywordflow">if</span> (*watches != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00227"></a>00227 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <a class="code" href="group__DBusHashTable.html#gacdebe75bd692605a69dc73c15e0eefd0" title="Removes the hash entry for the given key.">_dbus_hash_table_remove_int</a> (loop->watches, fd);
<a name="l00230"></a>00230 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00234"></a>00234 refresh_watches_for_fd (DBusLoop *loop,
<a name="l00235"></a>00235 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches,
<a name="l00236"></a>00236 <span class="keywordtype">int</span> fd)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *link;
<a name="l00239"></a>00239 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags = 0;
<a name="l00240"></a>00240 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> interested = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00241"></a>00241
<a name="l00242"></a>00242 _dbus_assert (fd != -1);
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00245"></a>00245 watches = <a class="code" href="group__DBusHashTable.html#ga36ff49c4c35599e6fcdadc7f6805c49e" title="Looks up the value for a given integer in a hash table of type DBUS_HASH_INT.">_dbus_hash_table_lookup_int</a> (loop->watches, fd);
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="comment">/* we allocated this in the first _dbus_loop_add_watch for the fd, and keep</span>
<a name="l00248"></a>00248 <span class="comment"> * it until there are none left */</span>
<a name="l00249"></a>00249 _dbus_assert (watches != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>);
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keywordflow">for</span> (link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (watches);
<a name="l00252"></a>00252 link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00253"></a>00253 link = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (watches, link))
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255 <span class="keywordflow">if</span> (<a class="code" href="group__DBusWatch.html#gae7a91e6d4d1bc187419c47c522e33a8f" title="Returns whether a watch is enabled or not.">dbus_watch_get_enabled</a> (link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>) &&
<a name="l00256"></a>00256 !_dbus_watch_get_oom_last_time (link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>))
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 flags |= <a class="code" href="group__DBusWatch.html#gaf172a2b1d1f82333e67cec8d99c9204a" title="Gets flags from DBusWatchFlags indicating what conditions should be monitored on the file descriptor...">dbus_watch_get_flags</a> (link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>);
<a name="l00259"></a>00259 interested = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keywordflow">if</span> (interested)
<a name="l00264"></a>00264 _dbus_socket_set_enable (loop->socket_set, fd, flags);
<a name="l00265"></a>00265 <span class="keywordflow">else</span>
<a name="l00266"></a>00266 _dbus_socket_set_disable (loop->socket_set, fd);
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00270"></a>00270 _dbus_loop_add_watch (DBusLoop *loop,
<a name="l00271"></a>00271 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch)
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273 <span class="keywordtype">int</span> fd;
<a name="l00274"></a>00274 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches;
<a name="l00275"></a>00275
<a name="l00276"></a>00276 fd = <a class="code" href="group__DBusWatch.html#ga91308f393d41b31babda17c83833517f" title="Returns a socket to be watched, on UNIX this will return -1 if our transport is not socket-based so d...">dbus_watch_get_socket</a> (watch);
<a name="l00277"></a>00277 _dbus_assert (fd != -1);
<a name="l00278"></a>00278
<a name="l00279"></a>00279 watches = ensure_watch_table_entry (loop, fd);
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00282"></a>00282 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusList.html#gad99045e79db46159babe69718f343053" title="Appends a value to the list.">_dbus_list_append</a> (watches, <a class="code" href="group__DBusWatchInternals.html#ga0db8530cc53589589d67dfb35d03db61" title="Increments the reference count of a DBusWatch object.">_dbus_watch_ref</a> (watch)))
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (watch);
<a name="l00287"></a>00287 gc_watch_table_entry (loop, watches, fd);
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="keywordflow">if</span> (<a class="code" href="group__DBusList.html#ga1d0e850f8e151630fa94d3b05e6038d9" title="Check whether length is exactly one.">_dbus_list_length_is_one</a> (watches))
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 <span class="keywordflow">if</span> (!_dbus_socket_set_add (loop->socket_set, fd,
<a name="l00295"></a>00295 <a class="code" href="group__DBusWatch.html#gaf172a2b1d1f82333e67cec8d99c9204a" title="Gets flags from DBusWatchFlags indicating what conditions should be monitored on the file descriptor...">dbus_watch_get_flags</a> (watch),
<a name="l00296"></a>00296 <a class="code" href="group__DBusWatch.html#gae7a91e6d4d1bc187419c47c522e33a8f" title="Returns whether a watch is enabled or not.">dbus_watch_get_enabled</a> (watch)))
<a name="l00297"></a>00297 {
<a name="l00298"></a>00298 <a class="code" href="group__DBusHashTable.html#gacdebe75bd692605a69dc73c15e0eefd0" title="Removes the hash entry for the given key.">_dbus_hash_table_remove_int</a> (loop->watches, fd);
<a name="l00299"></a>00299 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 <span class="keywordflow">else</span>
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304 <span class="comment">/* we're modifying, not adding, which can't fail with OOM */</span>
<a name="l00305"></a>00305 refresh_watches_for_fd (loop, watches, fd);
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 loop->callback_list_serial += 1;
<a name="l00309"></a>00309 loop->watch_count += 1;
<a name="l00310"></a>00310 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00311"></a>00311 }
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="keywordtype">void</span>
<a name="l00314"></a>00314 _dbus_loop_toggle_watch (DBusLoop *loop,
<a name="l00315"></a>00315 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch)
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 refresh_watches_for_fd (loop, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, <a class="code" href="group__DBusWatch.html#ga91308f393d41b31babda17c83833517f" title="Returns a socket to be watched, on UNIX this will return -1 if our transport is not socket-based so d...">dbus_watch_get_socket</a> (watch));
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keywordtype">void</span>
<a name="l00321"></a>00321 _dbus_loop_remove_watch (DBusLoop *loop,
<a name="l00322"></a>00322 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch)
<a name="l00323"></a>00323 {
<a name="l00324"></a>00324 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches;
<a name="l00325"></a>00325 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *link;
<a name="l00326"></a>00326 <span class="keywordtype">int</span> fd;
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="comment">/* This relies on people removing watches before they invalidate them,</span>
<a name="l00329"></a>00329 <span class="comment"> * which has been safe since fd.o #33336 was fixed. Assert about it</span>
<a name="l00330"></a>00330 <span class="comment"> * so we don't regress. */</span>
<a name="l00331"></a>00331 fd = <a class="code" href="group__DBusWatch.html#ga91308f393d41b31babda17c83833517f" title="Returns a socket to be watched, on UNIX this will return -1 if our transport is not socket-based so d...">dbus_watch_get_socket</a> (watch);
<a name="l00332"></a>00332 _dbus_assert (fd != -1);
<a name="l00333"></a>00333
<a name="l00334"></a>00334 watches = <a class="code" href="group__DBusHashTable.html#ga36ff49c4c35599e6fcdadc7f6805c49e" title="Looks up the value for a given integer in a hash table of type DBUS_HASH_INT.">_dbus_hash_table_lookup_int</a> (loop->watches, fd);
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keywordflow">if</span> (watches != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (watches);
<a name="l00339"></a>00339 <span class="keywordflow">while</span> (link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00340"></a>00340 {
<a name="l00341"></a>00341 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *next = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (watches, link);
<a name="l00342"></a>00342 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *<span class="keyword">this</span> = link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>;
<a name="l00343"></a>00343
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (<span class="keyword">this</span> == watch)
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 <a class="code" href="group__DBusList.html#ga40abea762d9cb44e5ec6b31b1769dc2e" title="Removes a link from the list.">_dbus_list_remove_link</a> (watches, link);
<a name="l00347"></a>00347 loop->callback_list_serial += 1;
<a name="l00348"></a>00348 loop->watch_count -= 1;
<a name="l00349"></a>00349 <a class="code" href="group__DBusWatchInternals.html#ga7d27dfc13a3ccfbaa99ceab331bb46f0" title="Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...">_dbus_watch_unref</a> (<span class="keyword">this</span>);
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="comment">/* if that was the last watch for that fd, drop the hash table</span>
<a name="l00352"></a>00352 <span class="comment"> * entry, and stop reserving space for it in the socket set */</span>
<a name="l00353"></a>00353 <span class="keywordflow">if</span> (gc_watch_table_entry (loop, watches, fd))
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355 _dbus_socket_set_remove (loop->socket_set, fd);
<a name="l00356"></a>00356 }
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keywordflow">return</span>;
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00361"></a>00361 link = next;
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <a class="code" href="group__DBusInternalsUtils.html#gabea2c16d6d3fe7c4eb5b9496fc877f84" title="Prints a warning message to stderr.">_dbus_warn</a> (<span class="stringliteral">"could not find watch %p to remove\n"</span>, watch);
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00369"></a>00369 _dbus_loop_add_timeout (DBusLoop *loop,
<a name="l00370"></a>00370 <a class="code" href="structDBusTimeout.html" title="Internals of DBusTimeout.">DBusTimeout</a> *timeout)
<a name="l00371"></a>00371 {
<a name="l00372"></a>00372 TimeoutCallback *tcb;
<a name="l00373"></a>00373
<a name="l00374"></a>00374 tcb = timeout_callback_new (timeout);
<a name="l00375"></a>00375 <span class="keywordflow">if</span> (tcb == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00376"></a>00376 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (<a class="code" href="group__DBusList.html#gad99045e79db46159babe69718f343053" title="Appends a value to the list.">_dbus_list_append</a> (&loop->timeouts, tcb))
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380 loop->callback_list_serial += 1;
<a name="l00381"></a>00381 loop->timeout_count += 1;
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383 <span class="keywordflow">else</span>
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 timeout_callback_free (tcb);
<a name="l00386"></a>00386 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388
<a name="l00389"></a>00389 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="keywordtype">void</span>
<a name="l00393"></a>00393 _dbus_loop_remove_timeout (DBusLoop *loop,
<a name="l00394"></a>00394 <a class="code" href="structDBusTimeout.html" title="Internals of DBusTimeout.">DBusTimeout</a> *timeout)
<a name="l00395"></a>00395 {
<a name="l00396"></a>00396 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *link;
<a name="l00397"></a>00397
<a name="l00398"></a>00398 link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (&loop->timeouts);
<a name="l00399"></a>00399 <span class="keywordflow">while</span> (link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00400"></a>00400 {
<a name="l00401"></a>00401 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *next = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (&loop->timeouts, link);
<a name="l00402"></a>00402 TimeoutCallback *<span class="keyword">this</span> = link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">if</span> (this->timeout == timeout)
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406 <a class="code" href="group__DBusList.html#ga40abea762d9cb44e5ec6b31b1769dc2e" title="Removes a link from the list.">_dbus_list_remove_link</a> (&loop->timeouts, link);
<a name="l00407"></a>00407 loop->callback_list_serial += 1;
<a name="l00408"></a>00408 loop->timeout_count -= 1;
<a name="l00409"></a>00409 timeout_callback_free (<span class="keyword">this</span>);
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keywordflow">return</span>;
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413
<a name="l00414"></a>00414 link = next;
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416
<a name="l00417"></a>00417 <a class="code" href="group__DBusInternalsUtils.html#gabea2c16d6d3fe7c4eb5b9496fc877f84" title="Prints a warning message to stderr.">_dbus_warn</a> (<span class="stringliteral">"could not find timeout %p to remove\n"</span>, timeout);
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419
<a name="l00420"></a>00420 <span class="comment">/* Convolutions from GLib, there really must be a better way</span>
<a name="l00421"></a>00421 <span class="comment"> * to do this.</span>
<a name="l00422"></a>00422 <span class="comment"> */</span>
<a name="l00423"></a>00423 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00424"></a>00424 check_timeout (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tv_sec,
<a name="l00425"></a>00425 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tv_usec,
<a name="l00426"></a>00426 TimeoutCallback *tcb,
<a name="l00427"></a>00427 <span class="keywordtype">int</span> *timeout)
<a name="l00428"></a>00428 {
<a name="l00429"></a>00429 <span class="keywordtype">long</span> sec_remaining;
<a name="l00430"></a>00430 <span class="keywordtype">long</span> msec_remaining;
<a name="l00431"></a>00431 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> expiration_tv_sec;
<a name="l00432"></a>00432 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> expiration_tv_usec;
<a name="l00433"></a>00433 <span class="keywordtype">long</span> interval_seconds;
<a name="l00434"></a>00434 <span class="keywordtype">long</span> interval_milliseconds;
<a name="l00435"></a>00435 <span class="keywordtype">int</span> interval;
<a name="l00436"></a>00436
<a name="l00437"></a>00437 <span class="comment">/* I'm pretty sure this function could suck (a lot) less */</span>
<a name="l00438"></a>00438
<a name="l00439"></a>00439 interval = <a class="code" href="group__DBusTimeout.html#ga67ba21b6189438875c6007ee79da5e37" title="Gets the timeout interval.">dbus_timeout_get_interval</a> (tcb->timeout);
<a name="l00440"></a>00440
<a name="l00441"></a>00441 interval_seconds = interval / 1000L;
<a name="l00442"></a>00442 interval_milliseconds = interval % 1000L;
<a name="l00443"></a>00443
<a name="l00444"></a>00444 expiration_tv_sec = tcb->last_tv_sec + interval_seconds;
<a name="l00445"></a>00445 expiration_tv_usec = tcb->last_tv_usec + interval_milliseconds * 1000;
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (expiration_tv_usec >= 1000000)
<a name="l00447"></a>00447 {
<a name="l00448"></a>00448 expiration_tv_usec -= 1000000;
<a name="l00449"></a>00449 expiration_tv_sec += 1;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451
<a name="l00452"></a>00452 sec_remaining = expiration_tv_sec - tv_sec;
<a name="l00453"></a>00453 <span class="comment">/* need to force this to be signed, as it is intended to sometimes</span>
<a name="l00454"></a>00454 <span class="comment"> * produce a negative result</span>
<a name="l00455"></a>00455 <span class="comment"> */</span>
<a name="l00456"></a>00456 msec_remaining = ((long) expiration_tv_usec - (<span class="keywordtype">long</span>) tv_usec) / 1000L;
<a name="l00457"></a>00457
<a name="l00458"></a>00458 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00459"></a>00459 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"Interval is %ld seconds %ld msecs\n"</span>,
<a name="l00460"></a>00460 interval_seconds,
<a name="l00461"></a>00461 interval_milliseconds);
<a name="l00462"></a>00462 _dbus_verbose (<span class="stringliteral">"Now is %lu seconds %lu usecs\n"</span>,
<a name="l00463"></a>00463 tv_sec, tv_usec);
<a name="l00464"></a>00464 _dbus_verbose (<span class="stringliteral">"Last is %lu seconds %lu usecs\n"</span>,
<a name="l00465"></a>00465 tcb->last_tv_sec, tcb->last_tv_usec);
<a name="l00466"></a>00466 _dbus_verbose (<span class="stringliteral">"Exp is %lu seconds %lu usecs\n"</span>,
<a name="l00467"></a>00467 expiration_tv_sec, expiration_tv_usec);
<a name="l00468"></a>00468 _dbus_verbose (<span class="stringliteral">"Pre-correction, sec_remaining %ld msec_remaining %ld\n"</span>,
<a name="l00469"></a>00469 sec_remaining, msec_remaining);
<a name="l00470"></a>00470 <span class="preprocessor">#endif</span>
<a name="l00471"></a>00471 <span class="preprocessor"></span>
<a name="l00472"></a>00472 <span class="comment">/* We do the following in a rather convoluted fashion to deal with</span>
<a name="l00473"></a>00473 <span class="comment"> * the fact that we don't have an integral type big enough to hold</span>
<a name="l00474"></a>00474 <span class="comment"> * the difference of two timevals in milliseconds.</span>
<a name="l00475"></a>00475 <span class="comment"> */</span>
<a name="l00476"></a>00476 <span class="keywordflow">if</span> (sec_remaining < 0 || (sec_remaining == 0 && msec_remaining < 0))
<a name="l00477"></a>00477 {
<a name="l00478"></a>00478 *timeout = 0;
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480 <span class="keywordflow">else</span>
<a name="l00481"></a>00481 {
<a name="l00482"></a>00482 <span class="keywordflow">if</span> (msec_remaining < 0)
<a name="l00483"></a>00483 {
<a name="l00484"></a>00484 msec_remaining += 1000;
<a name="l00485"></a>00485 sec_remaining -= 1;
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (sec_remaining > (_DBUS_INT_MAX / 1000) ||
<a name="l00489"></a>00489 msec_remaining > _DBUS_INT_MAX)
<a name="l00490"></a>00490 *timeout = _DBUS_INT_MAX;
<a name="l00491"></a>00491 <span class="keywordflow">else</span>
<a name="l00492"></a>00492 *timeout = sec_remaining * 1000 + msec_remaining;
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="keywordflow">if</span> (*timeout > interval)
<a name="l00496"></a>00496 {
<a name="l00497"></a>00497 <span class="comment">/* This indicates that the system clock probably moved backward */</span>
<a name="l00498"></a>00498 _dbus_verbose (<span class="stringliteral">"System clock set backward! Resetting timeout.\n"</span>);
<a name="l00499"></a>00499
<a name="l00500"></a>00500 tcb->last_tv_sec = tv_sec;
<a name="l00501"></a>00501 tcb->last_tv_usec = tv_usec;
<a name="l00502"></a>00502
<a name="l00503"></a>00503 *timeout = interval;
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00507"></a>00507 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" timeout expires in %d milliseconds\n"</span>, *timeout);
<a name="l00508"></a>00508 <span class="preprocessor">#endif</span>
<a name="l00509"></a>00509 <span class="preprocessor"></span>
<a name="l00510"></a>00510 <span class="keywordflow">return</span> *timeout == 0;
<a name="l00511"></a>00511 }
<a name="l00512"></a>00512
<a name="l00513"></a>00513 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00514"></a>00514 _dbus_loop_dispatch (DBusLoop *loop)
<a name="l00515"></a>00515 {
<a name="l00516"></a>00516
<a name="l00517"></a>00517 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00518"></a>00518 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" %d connections to dispatch\n"</span>, <a class="code" href="group__DBusList.html#gaa2144a5489bb35b16b2b671488ad597c" title="Gets the length of a list.">_dbus_list_get_length</a> (&loop->need_dispatch));
<a name="l00519"></a>00519 <span class="preprocessor">#endif</span>
<a name="l00520"></a>00520 <span class="preprocessor"></span>
<a name="l00521"></a>00521 <span class="keywordflow">if</span> (loop->need_dispatch == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00522"></a>00522 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00523"></a>00523
<a name="l00524"></a>00524 next:
<a name="l00525"></a>00525 <span class="keywordflow">while</span> (loop->need_dispatch != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00526"></a>00526 {
<a name="l00527"></a>00527 <a class="code" href="structDBusConnection.html" title="Implementation details of DBusConnection.">DBusConnection</a> *connection = <a class="code" href="group__DBusList.html#gacb96c9d3e9a869e63b8db4f8913a5a60" title="Removes the first value in the list and returns it.">_dbus_list_pop_first</a> (&loop->need_dispatch);
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="keywordflow">while</span> (<a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>)
<a name="l00530"></a>00530 {
<a name="l00531"></a>00531 <a class="code" href="group__DBusConnection.html#gabf250a32ff740b2a8c99136e0142d8d2" title="Indicates the status of incoming data on a DBusConnection.">DBusDispatchStatus</a> status;
<a name="l00532"></a>00532
<a name="l00533"></a>00533 status = <a class="code" href="group__DBusConnection.html#ga66ba7df50d75f4bda6b6e942430b81c7" title="Processes any incoming data.">dbus_connection_dispatch</a> (connection);
<a name="l00534"></a>00534
<a name="l00535"></a>00535 <span class="keywordflow">if</span> (status == <a class="code" href="group__DBusConnection.html#ggabf250a32ff740b2a8c99136e0142d8d2acb9bb9daa90f520d5fc9e84de3c5f017" title="All currently available data has been processed.">DBUS_DISPATCH_COMPLETE</a>)
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <a class="code" href="group__DBusConnection.html#ga6385ff09bc108238c4429e7c195dab25" title="Decrements the reference count of a DBusConnection, and finalizes it if the count reaches zero...">dbus_connection_unref</a> (connection);
<a name="l00538"></a>00538 <span class="keywordflow">goto</span> next;
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540 <span class="keywordflow">else</span>
<a name="l00541"></a>00541 {
<a name="l00542"></a>00542 <span class="keywordflow">if</span> (status == <a class="code" href="group__DBusConnection.html#ggabf250a32ff740b2a8c99136e0142d8d2a5af20a035f29cfa67fb8d69fb693b685" title="More memory is needed to continue.">DBUS_DISPATCH_NEED_MEMORY</a>)
<a name="l00543"></a>00543 _dbus_wait_for_memory ();
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547
<a name="l00548"></a>00548 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00549"></a>00549 }
<a name="l00550"></a>00550
<a name="l00551"></a>00551 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00552"></a>00552 _dbus_loop_queue_dispatch (DBusLoop *loop,
<a name="l00553"></a>00553 <a class="code" href="structDBusConnection.html" title="Implementation details of DBusConnection.">DBusConnection</a> *connection)
<a name="l00554"></a>00554 {
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (<a class="code" href="group__DBusList.html#gad99045e79db46159babe69718f343053" title="Appends a value to the list.">_dbus_list_append</a> (&loop->need_dispatch, connection))
<a name="l00556"></a>00556 {
<a name="l00557"></a>00557 <a class="code" href="group__DBusConnection.html#gae34751e15f114217e5ad10c663e2ef2e" title="Increments the reference count of a DBusConnection.">dbus_connection_ref</a> (connection);
<a name="l00558"></a>00558 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00559"></a>00559 }
<a name="l00560"></a>00560 <span class="keywordflow">else</span>
<a name="l00561"></a>00561 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563
<a name="l00564"></a>00564 <span class="comment">/* Returns TRUE if we invoked any timeouts or have ready file</span>
<a name="l00565"></a>00565 <span class="comment"> * descriptors, which is just used in test code as a debug hack</span>
<a name="l00566"></a>00566 <span class="comment"> */</span>
<a name="l00567"></a>00567
<a name="l00568"></a>00568 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a>
<a name="l00569"></a>00569 _dbus_loop_iterate (DBusLoop *loop,
<a name="l00570"></a>00570 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> block)
<a name="l00571"></a>00571 {
<a name="l00572"></a>00572 <span class="preprocessor">#define N_STACK_DESCRIPTORS 64</span>
<a name="l00573"></a>00573 <span class="preprocessor"></span> <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> retval;
<a name="l00574"></a>00574 DBusSocketEvent ready_fds[N_STACK_DESCRIPTORS];
<a name="l00575"></a>00575 <span class="keywordtype">int</span> i;
<a name="l00576"></a>00576 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *link;
<a name="l00577"></a>00577 <span class="keywordtype">int</span> n_ready;
<a name="l00578"></a>00578 <span class="keywordtype">int</span> initial_serial;
<a name="l00579"></a>00579 <span class="keywordtype">long</span> timeout;
<a name="l00580"></a>00580 <span class="keywordtype">int</span> orig_depth;
<a name="l00581"></a>00581
<a name="l00582"></a>00582 retval = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00583"></a>00583
<a name="l00584"></a>00584 orig_depth = loop->depth;
<a name="l00585"></a>00585
<a name="l00586"></a>00586 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00587"></a>00587 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"Iteration block=%d depth=%d timeout_count=%d watch_count=%d\n"</span>,
<a name="l00588"></a>00588 block, loop->depth, loop->timeout_count, loop->watch_count);
<a name="l00589"></a>00589 <span class="preprocessor">#endif</span>
<a name="l00590"></a>00590 <span class="preprocessor"></span>
<a name="l00591"></a>00591 <span class="keywordflow">if</span> (<a class="code" href="group__DBusHashTable.html#gad48297fc27442c19a7c4bd4d1ef9ef77" title="Gets the number of hash entries in a hash table.">_dbus_hash_table_get_n_entries</a> (loop->watches) == 0 &&
<a name="l00592"></a>00592 loop->timeouts == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00593"></a>00593 <span class="keywordflow">goto</span> next_iteration;
<a name="l00594"></a>00594
<a name="l00595"></a>00595 timeout = -1;
<a name="l00596"></a>00596 <span class="keywordflow">if</span> (loop->timeout_count > 0)
<a name="l00597"></a>00597 {
<a name="l00598"></a>00598 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tv_sec;
<a name="l00599"></a>00599 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tv_usec;
<a name="l00600"></a>00600
<a name="l00601"></a>00601 <a class="code" href="group__DBusSysdeps.html#gab9951a7fd8c33188bf86314e7fd56300" title="Get current time, as in gettimeofday().">_dbus_get_monotonic_time</a> (&tv_sec, &tv_usec);
<a name="l00602"></a>00602
<a name="l00603"></a>00603 link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (&loop->timeouts);
<a name="l00604"></a>00604 <span class="keywordflow">while</span> (link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00605"></a>00605 {
<a name="l00606"></a>00606 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *next = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (&loop->timeouts, link);
<a name="l00607"></a>00607 TimeoutCallback *tcb = link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>;
<a name="l00608"></a>00608
<a name="l00609"></a>00609 <span class="keywordflow">if</span> (<a class="code" href="group__DBusTimeout.html#ga58954b2edb45ec1632529d35525ea45c" title="Returns whether a timeout is enabled or not.">dbus_timeout_get_enabled</a> (tcb->timeout))
<a name="l00610"></a>00610 {
<a name="l00611"></a>00611 <span class="keywordtype">int</span> msecs_remaining;
<a name="l00612"></a>00612
<a name="l00613"></a>00613 check_timeout (tv_sec, tv_usec, tcb, &msecs_remaining);
<a name="l00614"></a>00614
<a name="l00615"></a>00615 <span class="keywordflow">if</span> (timeout < 0)
<a name="l00616"></a>00616 timeout = msecs_remaining;
<a name="l00617"></a>00617 <span class="keywordflow">else</span>
<a name="l00618"></a>00618 timeout = MIN (msecs_remaining, timeout);
<a name="l00619"></a>00619
<a name="l00620"></a>00620 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00621"></a>00621 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" timeout added, %d remaining, aggregate timeout %ld\n"</span>,
<a name="l00622"></a>00622 msecs_remaining, timeout);
<a name="l00623"></a>00623 <span class="preprocessor">#endif</span>
<a name="l00624"></a>00624 <span class="preprocessor"></span>
<a name="l00625"></a>00625 _dbus_assert (timeout >= 0);
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <span class="keywordflow">if</span> (timeout == 0)
<a name="l00628"></a>00628 <span class="keywordflow">break</span>; <span class="comment">/* it's not going to get shorter... */</span>
<a name="l00629"></a>00629 }
<a name="l00630"></a>00630 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00631"></a>00631 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00632"></a>00632 {
<a name="l00633"></a>00633 _dbus_verbose (<span class="stringliteral">" skipping disabled timeout\n"</span>);
<a name="l00634"></a>00634 }
<a name="l00635"></a>00635 <span class="preprocessor">#endif</span>
<a name="l00636"></a>00636 <span class="preprocessor"></span>
<a name="l00637"></a>00637 link = next;
<a name="l00638"></a>00638 }
<a name="l00639"></a>00639 }
<a name="l00640"></a>00640
<a name="l00641"></a>00641 <span class="comment">/* Never block if we have stuff to dispatch */</span>
<a name="l00642"></a>00642 <span class="keywordflow">if</span> (!block || loop->need_dispatch != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00643"></a>00643 {
<a name="l00644"></a>00644 timeout = 0;
<a name="l00645"></a>00645 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00646"></a>00646 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" timeout is 0 as we aren't blocking\n"</span>);
<a name="l00647"></a>00647 <span class="preprocessor">#endif</span>
<a name="l00648"></a>00648 <span class="preprocessor"></span> }
<a name="l00649"></a>00649
<a name="l00650"></a>00650 <span class="comment">/* if a watch was OOM last time, don't wait longer than the OOM</span>
<a name="l00651"></a>00651 <span class="comment"> * wait to re-enable it</span>
<a name="l00652"></a>00652 <span class="comment"> */</span>
<a name="l00653"></a>00653 <span class="keywordflow">if</span> (loop->oom_watch_pending)
<a name="l00654"></a>00654 timeout = MIN (timeout, _dbus_get_oom_wait ());
<a name="l00655"></a>00655
<a name="l00656"></a>00656 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00657"></a>00657 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" polling on %d descriptors timeout %ld\n"</span>, _DBUS_N_ELEMENTS (ready_fds), timeout);
<a name="l00658"></a>00658 <span class="preprocessor">#endif</span>
<a name="l00659"></a>00659 <span class="preprocessor"></span>
<a name="l00660"></a>00660 n_ready = _dbus_socket_set_poll (loop->socket_set, ready_fds,
<a name="l00661"></a>00661 _DBUS_N_ELEMENTS (ready_fds), timeout);
<a name="l00662"></a>00662
<a name="l00663"></a>00663 <span class="comment">/* re-enable any watches we skipped this time */</span>
<a name="l00664"></a>00664 <span class="keywordflow">if</span> (loop->oom_watch_pending)
<a name="l00665"></a>00665 {
<a name="l00666"></a>00666 <a class="code" href="structDBusHashIter.html" title="Hash iterator object.">DBusHashIter</a> hash_iter;
<a name="l00667"></a>00667
<a name="l00668"></a>00668 loop->oom_watch_pending = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00669"></a>00669
<a name="l00670"></a>00670 <a class="code" href="group__DBusHashTable.html#ga1b0e6df8a8617ef0f8f25adfba3acc4c" title="Initializes a hash table iterator.">_dbus_hash_iter_init</a> (loop->watches, &hash_iter);
<a name="l00671"></a>00671
<a name="l00672"></a>00672 <span class="keywordflow">while</span> (<a class="code" href="group__DBusHashTable.html#ga723e61fcc91ca673e90ff872c07ea19c" title="Move the hash iterator forward one step, to the next hash entry.">_dbus_hash_iter_next</a> (&hash_iter))
<a name="l00673"></a>00673 {
<a name="l00674"></a>00674 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches;
<a name="l00675"></a>00675 <span class="keywordtype">int</span> fd;
<a name="l00676"></a>00676 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> changed;
<a name="l00677"></a>00677
<a name="l00678"></a>00678 changed = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00679"></a>00679 fd = <a class="code" href="group__DBusHashTable.html#ga7a1b9fd35f9f7bdd86f9d71a6379053f" title="Gets the key for the current entry.">_dbus_hash_iter_get_int_key</a> (&hash_iter);
<a name="l00680"></a>00680 watches = <a class="code" href="group__DBusHashTable.html#ga34bf277ee37f919bd00516b5ae4e12b5" title="Gets the value of the current entry.">_dbus_hash_iter_get_value</a> (&hash_iter);
<a name="l00681"></a>00681
<a name="l00682"></a>00682 <span class="keywordflow">for</span> (link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (watches);
<a name="l00683"></a>00683 link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00684"></a>00684 link = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (watches, link))
<a name="l00685"></a>00685 {
<a name="l00686"></a>00686 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch = link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>;
<a name="l00687"></a>00687
<a name="l00688"></a>00688 <span class="keywordflow">if</span> (_dbus_watch_get_oom_last_time (watch))
<a name="l00689"></a>00689 {
<a name="l00690"></a>00690 _dbus_watch_set_oom_last_time (watch, <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>);
<a name="l00691"></a>00691 changed = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00692"></a>00692 }
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694
<a name="l00695"></a>00695 <span class="keywordflow">if</span> (changed)
<a name="l00696"></a>00696 refresh_watches_for_fd (loop, watches, fd);
<a name="l00697"></a>00697 }
<a name="l00698"></a>00698
<a name="l00699"></a>00699 retval = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>; <span class="comment">/* return TRUE here to keep the loop going,</span>
<a name="l00700"></a>00700 <span class="comment"> * since we don't know the watch was inactive */</span>
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702
<a name="l00703"></a>00703 initial_serial = loop->callback_list_serial;
<a name="l00704"></a>00704
<a name="l00705"></a>00705 <span class="keywordflow">if</span> (loop->timeout_count > 0)
<a name="l00706"></a>00706 {
<a name="l00707"></a>00707 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tv_sec;
<a name="l00708"></a>00708 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> tv_usec;
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <a class="code" href="group__DBusSysdeps.html#gab9951a7fd8c33188bf86314e7fd56300" title="Get current time, as in gettimeofday().">_dbus_get_monotonic_time</a> (&tv_sec, &tv_usec);
<a name="l00711"></a>00711
<a name="l00712"></a>00712 <span class="comment">/* It'd be nice to avoid this O(n) thingy here */</span>
<a name="l00713"></a>00713 link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (&loop->timeouts);
<a name="l00714"></a>00714 <span class="keywordflow">while</span> (link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *next = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (&loop->timeouts, link);
<a name="l00717"></a>00717 TimeoutCallback *tcb = link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>;
<a name="l00718"></a>00718
<a name="l00719"></a>00719 <span class="keywordflow">if</span> (initial_serial != loop->callback_list_serial)
<a name="l00720"></a>00720 <span class="keywordflow">goto</span> next_iteration;
<a name="l00721"></a>00721
<a name="l00722"></a>00722 <span class="keywordflow">if</span> (loop->depth != orig_depth)
<a name="l00723"></a>00723 <span class="keywordflow">goto</span> next_iteration;
<a name="l00724"></a>00724
<a name="l00725"></a>00725 <span class="keywordflow">if</span> (<a class="code" href="group__DBusTimeout.html#ga58954b2edb45ec1632529d35525ea45c" title="Returns whether a timeout is enabled or not.">dbus_timeout_get_enabled</a> (tcb->timeout))
<a name="l00726"></a>00726 {
<a name="l00727"></a>00727 <span class="keywordtype">int</span> msecs_remaining;
<a name="l00728"></a>00728
<a name="l00729"></a>00729 <span class="keywordflow">if</span> (check_timeout (tv_sec, tv_usec,
<a name="l00730"></a>00730 tcb, &msecs_remaining))
<a name="l00731"></a>00731 {
<a name="l00732"></a>00732 <span class="comment">/* Save last callback time and fire this timeout */</span>
<a name="l00733"></a>00733 tcb->last_tv_sec = tv_sec;
<a name="l00734"></a>00734 tcb->last_tv_usec = tv_usec;
<a name="l00735"></a>00735
<a name="l00736"></a>00736 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00737"></a>00737 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" invoking timeout\n"</span>);
<a name="l00738"></a>00738 <span class="preprocessor">#endif</span>
<a name="l00739"></a>00739 <span class="preprocessor"></span>
<a name="l00740"></a>00740 <span class="comment">/* can theoretically return FALSE on OOM, but we just</span>
<a name="l00741"></a>00741 <span class="comment"> * let it fire again later - in practice that's what</span>
<a name="l00742"></a>00742 <span class="comment"> * every wrapper callback in dbus-daemon used to do */</span>
<a name="l00743"></a>00743 <a class="code" href="group__DBusTimeout.html#ga038b67c8d3db2624a1e4a8bc45f25d12" title="Calls the timeout handler for this timeout.">dbus_timeout_handle</a> (tcb->timeout);
<a name="l00744"></a>00744
<a name="l00745"></a>00745 retval = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00746"></a>00746 }
<a name="l00747"></a>00747 <span class="keywordflow">else</span>
<a name="l00748"></a>00748 {
<a name="l00749"></a>00749 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00750"></a>00750 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" timeout has not expired\n"</span>);
<a name="l00751"></a>00751 <span class="preprocessor">#endif</span>
<a name="l00752"></a>00752 <span class="preprocessor"></span> }
<a name="l00753"></a>00753 }
<a name="l00754"></a>00754 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00755"></a>00755 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00756"></a>00756 {
<a name="l00757"></a>00757 _dbus_verbose (<span class="stringliteral">" skipping invocation of disabled timeout\n"</span>);
<a name="l00758"></a>00758 }
<a name="l00759"></a>00759 <span class="preprocessor">#endif</span>
<a name="l00760"></a>00760 <span class="preprocessor"></span>
<a name="l00761"></a>00761 link = next;
<a name="l00762"></a>00762 }
<a name="l00763"></a>00763 }
<a name="l00764"></a>00764
<a name="l00765"></a>00765 <span class="keywordflow">if</span> (n_ready > 0)
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 <span class="keywordflow">for</span> (i = 0; i < n_ready; i++)
<a name="l00768"></a>00768 {
<a name="l00769"></a>00769 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> **watches;
<a name="l00770"></a>00770 <a class="code" href="structDBusList.html" title="A node in a linked list.">DBusList</a> *next;
<a name="l00771"></a>00771 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> condition;
<a name="l00772"></a>00772 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> any_oom;
<a name="l00773"></a>00773
<a name="l00774"></a>00774 <span class="comment">/* FIXME I think this "restart if we change the watches"</span>
<a name="l00775"></a>00775 <span class="comment"> * approach could result in starving watches</span>
<a name="l00776"></a>00776 <span class="comment"> * toward the end of the list.</span>
<a name="l00777"></a>00777 <span class="comment"> */</span>
<a name="l00778"></a>00778 <span class="keywordflow">if</span> (initial_serial != loop->callback_list_serial)
<a name="l00779"></a>00779 <span class="keywordflow">goto</span> next_iteration;
<a name="l00780"></a>00780
<a name="l00781"></a>00781 <span class="keywordflow">if</span> (loop->depth != orig_depth)
<a name="l00782"></a>00782 <span class="keywordflow">goto</span> next_iteration;
<a name="l00783"></a>00783
<a name="l00784"></a>00784 _dbus_assert (ready_fds[i].flags != 0);
<a name="l00785"></a>00785
<a name="l00786"></a>00786 <span class="keywordflow">if</span> (_DBUS_UNLIKELY (ready_fds[i].flags & _DBUS_WATCH_NVAL))
<a name="l00787"></a>00787 {
<a name="l00788"></a>00788 cull_watches_for_invalid_fd (loop, ready_fds[i].fd);
<a name="l00789"></a>00789 <span class="keywordflow">goto</span> next_iteration;
<a name="l00790"></a>00790 }
<a name="l00791"></a>00791
<a name="l00792"></a>00792 condition = ready_fds[i].flags;
<a name="l00793"></a>00793 _dbus_assert ((condition & _DBUS_WATCH_NVAL) == 0);
<a name="l00794"></a>00794
<a name="l00795"></a>00795 <span class="comment">/* condition may still be 0 if we got some</span>
<a name="l00796"></a>00796 <span class="comment"> * weird POLLFOO thing like POLLWRBAND</span>
<a name="l00797"></a>00797 <span class="comment"> */</span>
<a name="l00798"></a>00798 <span class="keywordflow">if</span> (condition == 0)
<a name="l00799"></a>00799 <span class="keywordflow">continue</span>;
<a name="l00800"></a>00800
<a name="l00801"></a>00801 watches = <a class="code" href="group__DBusHashTable.html#ga36ff49c4c35599e6fcdadc7f6805c49e" title="Looks up the value for a given integer in a hash table of type DBUS_HASH_INT.">_dbus_hash_table_lookup_int</a> (loop->watches,
<a name="l00802"></a>00802 ready_fds[i].fd);
<a name="l00803"></a>00803
<a name="l00804"></a>00804 <span class="keywordflow">if</span> (watches == <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>)
<a name="l00805"></a>00805 <span class="keywordflow">continue</span>;
<a name="l00806"></a>00806
<a name="l00807"></a>00807 any_oom = <a class="code" href="group__DBusMacros.html#gaa93f0eb578d23995850d61f7d61c55c1" title="Expands to "0".">FALSE</a>;
<a name="l00808"></a>00808
<a name="l00809"></a>00809 <span class="keywordflow">for</span> (link = <a class="code" href="group__DBusList.html#ga1e26ce4fb4acb50593bd5ed2f4eeb3ae" title="Gets the first link in the list.">_dbus_list_get_first_link</a> (watches);
<a name="l00810"></a>00810 link != <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>;
<a name="l00811"></a>00811 link = next)
<a name="l00812"></a>00812 {
<a name="l00813"></a>00813 <a class="code" href="structDBusWatch.html" title="Implementation of DBusWatch.">DBusWatch</a> *watch = link-><a class="code" href="structDBusList.html#a29ab457bcf9092252bb0c4282c727055" title="Data stored at this element.">data</a>;
<a name="l00814"></a>00814
<a name="l00815"></a>00815 next = <a class="code" href="group__DBusList.html#gaede4ace46d5ee497d75074bfec4490a2" title="Gets the next link in the list, or NULL if there are no more links.">_dbus_list_get_next_link</a> (watches, link);
<a name="l00816"></a>00816
<a name="l00817"></a>00817 <span class="keywordflow">if</span> (<a class="code" href="group__DBusWatch.html#gae7a91e6d4d1bc187419c47c522e33a8f" title="Returns whether a watch is enabled or not.">dbus_watch_get_enabled</a> (watch))
<a name="l00818"></a>00818 {
<a name="l00819"></a>00819 <a class="code" href="group__DBusTypes.html#ga39c9cb0f3a2a8ad6f55cc4855d035349" title="A boolean, valid values are TRUE and FALSE.">dbus_bool_t</a> oom;
<a name="l00820"></a>00820
<a name="l00821"></a>00821 oom = !<a class="code" href="group__DBusWatch.html#gac2acdb1794450ac01a43ec4c3e07ebf7" title="Called to notify the D-Bus library when a previously-added watch is ready for reading or writing...">dbus_watch_handle</a> (watch, condition);
<a name="l00822"></a>00822
<a name="l00823"></a>00823 <span class="keywordflow">if</span> (oom)
<a name="l00824"></a>00824 {
<a name="l00825"></a>00825 _dbus_watch_set_oom_last_time (watch, <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>);
<a name="l00826"></a>00826 loop->oom_watch_pending = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00827"></a>00827 any_oom = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00828"></a>00828 }
<a name="l00829"></a>00829
<a name="l00830"></a>00830 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00831"></a>00831 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" Invoked watch, oom = %d\n"</span>, oom);
<a name="l00832"></a>00832 <span class="preprocessor">#endif</span>
<a name="l00833"></a>00833 <span class="preprocessor"></span> retval = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00834"></a>00834
<a name="l00835"></a>00835 <span class="comment">/* We re-check this every time, in case the callback</span>
<a name="l00836"></a>00836 <span class="comment"> * added/removed watches, which might make our position in</span>
<a name="l00837"></a>00837 <span class="comment"> * the linked list invalid. See the FIXME above. */</span>
<a name="l00838"></a>00838 <span class="keywordflow">if</span> (initial_serial != loop->callback_list_serial ||
<a name="l00839"></a>00839 loop->depth != orig_depth)
<a name="l00840"></a>00840 {
<a name="l00841"></a>00841 <span class="keywordflow">if</span> (any_oom)
<a name="l00842"></a>00842 refresh_watches_for_fd (loop, <a class="code" href="group__DBusMacros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4" title="A null pointer, defined appropriately for C or C++.">NULL</a>, ready_fds[i].fd);
<a name="l00843"></a>00843
<a name="l00844"></a>00844 <span class="keywordflow">goto</span> next_iteration;
<a name="l00845"></a>00845 }
<a name="l00846"></a>00846 }
<a name="l00847"></a>00847 }
<a name="l00848"></a>00848
<a name="l00849"></a>00849 <span class="keywordflow">if</span> (any_oom)
<a name="l00850"></a>00850 refresh_watches_for_fd (loop, watches, ready_fds[i].fd);
<a name="l00851"></a>00851 }
<a name="l00852"></a>00852 }
<a name="l00853"></a>00853
<a name="l00854"></a>00854 next_iteration:
<a name="l00855"></a>00855 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00856"></a>00856 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">" moving to next iteration\n"</span>);
<a name="l00857"></a>00857 <span class="preprocessor">#endif</span>
<a name="l00858"></a>00858 <span class="preprocessor"></span>
<a name="l00859"></a>00859 <span class="keywordflow">if</span> (_dbus_loop_dispatch (loop))
<a name="l00860"></a>00860 retval = <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>;
<a name="l00861"></a>00861
<a name="l00862"></a>00862 <span class="preprocessor">#if MAINLOOP_SPEW</span>
<a name="l00863"></a>00863 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"Returning %d\n"</span>, retval);
<a name="l00864"></a>00864 <span class="preprocessor">#endif</span>
<a name="l00865"></a>00865 <span class="preprocessor"></span>
<a name="l00866"></a>00866 <span class="keywordflow">return</span> retval;
<a name="l00867"></a>00867 }
<a name="l00868"></a>00868
<a name="l00869"></a>00869 <span class="keywordtype">void</span>
<a name="l00870"></a>00870 _dbus_loop_run (DBusLoop *loop)
<a name="l00871"></a>00871 {
<a name="l00872"></a>00872 <span class="keywordtype">int</span> our_exit_depth;
<a name="l00873"></a>00873
<a name="l00874"></a>00874 _dbus_assert (loop->depth >= 0);
<a name="l00875"></a>00875
<a name="l00876"></a>00876 _dbus_loop_ref (loop);
<a name="l00877"></a>00877
<a name="l00878"></a>00878 our_exit_depth = loop->depth;
<a name="l00879"></a>00879 loop->depth += 1;
<a name="l00880"></a>00880
<a name="l00881"></a>00881 _dbus_verbose (<span class="stringliteral">"Running main loop, depth %d -> %d\n"</span>,
<a name="l00882"></a>00882 loop->depth - 1, loop->depth);
<a name="l00883"></a>00883
<a name="l00884"></a>00884 <span class="keywordflow">while</span> (loop->depth != our_exit_depth)
<a name="l00885"></a>00885 _dbus_loop_iterate (loop, <a class="code" href="group__DBusMacros.html#gaa8cecfc5c5c054d2875c03e77b7be15d" title="Expands to "1".">TRUE</a>);
<a name="l00886"></a>00886
<a name="l00887"></a>00887 _dbus_loop_unref (loop);
<a name="l00888"></a>00888 }
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordtype">void</span>
<a name="l00891"></a>00891 _dbus_loop_quit (DBusLoop *loop)
<a name="l00892"></a>00892 {
<a name="l00893"></a>00893 _dbus_assert (loop->depth > 0);
<a name="l00894"></a>00894
<a name="l00895"></a>00895 loop->depth -= 1;
<a name="l00896"></a>00896
<a name="l00897"></a>00897 _dbus_verbose (<span class="stringliteral">"Quit main loop, depth %d -> %d\n"</span>,
<a name="l00898"></a>00898 loop->depth + 1, loop->depth);
<a name="l00899"></a>00899 }
<a name="l00900"></a>00900
<a name="l00901"></a>00901 <span class="keywordtype">int</span>
<a name="l00902"></a>00902 _dbus_get_oom_wait (<span class="keywordtype">void</span>)
<a name="l00903"></a>00903 {
<a name="l00904"></a>00904 <span class="preprocessor">#ifdef DBUS_ENABLE_EMBEDDED_TESTS</span>
<a name="l00905"></a>00905 <span class="preprocessor"></span> <span class="comment">/* make tests go fast */</span>
<a name="l00906"></a>00906 <span class="keywordflow">return</span> 0;
<a name="l00907"></a>00907 <span class="preprocessor">#else</span>
<a name="l00908"></a>00908 <span class="preprocessor"></span> <span class="keywordflow">return</span> 500;
<a name="l00909"></a>00909 <span class="preprocessor">#endif</span>
<a name="l00910"></a>00910 <span class="preprocessor"></span>}
<a name="l00911"></a>00911
<a name="l00912"></a>00912 <span class="keywordtype">void</span>
<a name="l00913"></a>00913 _dbus_wait_for_memory (<span class="keywordtype">void</span>)
<a name="l00914"></a>00914 {
<a name="l00915"></a>00915 _dbus_verbose (<span class="stringliteral">"Waiting for more memory\n"</span>);
<a name="l00916"></a>00916 <a class="code" href="group__DBusSysdeps.html#ga1153b4669819148af6b3f6f2b7c9183a" title="Sleeps the given number of milliseconds.">_dbus_sleep_milliseconds</a> (_dbus_get_oom_wait ());
<a name="l00917"></a>00917 }
<a name="l00918"></a>00918
<a name="l00919"></a>00919 <span class="preprocessor">#endif </span><span class="comment">/* !DOXYGEN_SHOULD_SKIP_THIS */</span>
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