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<hr><h1>dbus-timeout.c</h1><div class="fragment"><pre>00001 <font class="comment">/* -*- mode: C; c-file-style: "gnu" -*- */</font>
00002 <font class="comment">/* dbus-timeout.c DBusTimeout implementation</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Copyright (C) 2003 CodeFactory AB</font>
00005 <font class="comment"> *</font>
00006 <font class="comment"> * Licensed under the Academic Free License version 2.0</font>
00007 <font class="comment"> * </font>
00008 <font class="comment"> * This program is free software; you can redistribute it and/or modify</font>
00009 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00010 <font class="comment"> * the Free Software Foundation; either version 2 of the License, or</font>
00011 <font class="comment"> * (at your option) any later version.</font>
00012 <font class="comment"> *</font>
00013 <font class="comment"> * This program is distributed in the hope that it will be useful,</font>
00014 <font class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00015 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00016 <font class="comment"> * GNU General Public License for more details.</font>
00017 <font class="comment"> * </font>
00018 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00019 <font class="comment"> * along with this program; if not, write to the Free Software</font>
00020 <font class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>
00021 <font class="comment"> *</font>
00022 <font class="comment"> */</font>
00023
00024 <font class="preprocessor">#include "dbus-internals.h"</font>
00025 <font class="preprocessor">#include "dbus-timeout.h"</font>
00026 <font class="preprocessor">#include "dbus-list.h"</font>
00027
<a name="l00039"></a><a class="code" href="structDBusTimeout.html">00039</a> <font class="keyword">struct </font><a class="code" href="structDBusTimeout.html">DBusTimeout</a>
00040 {
<a name="l00041"></a><a class="code" href="structDBusTimeout.html#m0">00041</a> <font class="keywordtype">int</font> <a class="code" href="structDBusTimeout.html#m0">refcount</a>;
<a name="l00042"></a><a class="code" href="structDBusTimeout.html#m1">00042</a> <font class="keywordtype">int</font> <a class="code" href="structDBusTimeout.html#m1">interval</a>;
<a name="l00044"></a><a class="code" href="structDBusTimeout.html#m2">00044</a> DBusTimeoutHandler <a class="code" href="structDBusTimeout.html#m2">handler</a>;
<a name="l00045"></a><a class="code" href="structDBusTimeout.html#m3">00045</a> <font class="keywordtype">void</font> *<a class="code" href="structDBusTimeout.html#m3">handler_data</a>;
<a name="l00046"></a><a class="code" href="structDBusTimeout.html#m4">00046</a> DBusFreeFunction <a class="code" href="structDBusTimeout.html#m4">free_handler_data_function</a>;
<a name="l00048"></a><a class="code" href="structDBusTimeout.html#m5">00048</a> <font class="keywordtype">void</font> *<a class="code" href="structDBusTimeout.html#m5">data</a>;
<a name="l00049"></a><a class="code" href="structDBusTimeout.html#m6">00049</a> DBusFreeFunction <a class="code" href="structDBusTimeout.html#m6">free_data_function</a>;
<a name="l00050"></a><a class="code" href="structDBusTimeout.html#m7">00050</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> <a class="code" href="structDBusTimeout.html#m7">enabled</a> : 1;
00051 };
00052
00061 <a class="code" href="structDBusTimeout.html">DBusTimeout</a>*
<a name="l00062"></a><a class="code" href="group__DBusTimeoutInternals.html#a0">00062</a> _dbus_timeout_new (<font class="keywordtype">int</font> interval,
00063 DBusTimeoutHandler handler,
00064 <font class="keywordtype">void</font> *data,
00065 DBusFreeFunction free_data_function)
00066 {
00067 <a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout;
00068
00069 timeout = dbus_new0 (<a class="code" href="structDBusTimeout.html">DBusTimeout</a>, 1);
00070 <font class="keywordflow">if</font> (timeout == NULL)
00071 <font class="keywordflow">return</font> NULL;
00072
00073 timeout-><a class="code" href="structDBusTimeout.html#m0">refcount</a> = 1;
00074 timeout-><a class="code" href="structDBusTimeout.html#m1">interval</a> = interval;
00075
00076 timeout-><a class="code" href="structDBusTimeout.html#m2">handler</a> = handler;
00077 timeout-><a class="code" href="structDBusTimeout.html#m3">handler_data</a> = data;
00078 timeout-><a class="code" href="structDBusTimeout.html#m4">free_handler_data_function</a> = free_data_function;
00079
00080 timeout-><a class="code" href="structDBusTimeout.html#m7">enabled</a> = TRUE;
00081
00082 <font class="keywordflow">return</font> timeout;
00083 }
00084
00091 <a class="code" href="structDBusTimeout.html">DBusTimeout</a> *
<a name="l00092"></a><a class="code" href="group__DBusTimeoutInternals.html#a1">00092</a> _dbus_timeout_ref (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00093 {
00094 timeout-><a class="code" href="structDBusTimeout.html#m0">refcount</a> += 1;
00095
00096 <font class="keywordflow">return</font> timeout;
00097 }
00098
00105 <font class="keywordtype">void</font>
<a name="l00106"></a><a class="code" href="group__DBusTimeoutInternals.html#a2">00106</a> _dbus_timeout_unref (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00107 {
00108 _dbus_assert (timeout != NULL);
00109 _dbus_assert (timeout-><a class="code" href="structDBusTimeout.html#m0">refcount</a> > 0);
00110
00111 timeout-><a class="code" href="structDBusTimeout.html#m0">refcount</a> -= 1;
00112 <font class="keywordflow">if</font> (timeout-><a class="code" href="structDBusTimeout.html#m0">refcount</a> == 0)
00113 {
00114 dbus_timeout_set_data (timeout, NULL, NULL); <font class="comment">/* call free_data_function */</font>
00115
00116 <font class="keywordflow">if</font> (timeout-><a class="code" href="structDBusTimeout.html#m4">free_handler_data_function</a>)
00117 (* timeout-><a class="code" href="structDBusTimeout.html#m4">free_handler_data_function</a>) (timeout-><a class="code" href="structDBusTimeout.html#m3">handler_data</a>);
00118
00119 dbus_free (timeout);
00120 }
00121 }
00122
00132 <font class="keywordtype">void</font>
<a name="l00133"></a><a class="code" href="group__DBusTimeoutInternals.html#a3">00133</a> _dbus_timeout_set_interval (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout,
00134 <font class="keywordtype">int</font> interval)
00135 {
00136 _dbus_assert (interval >= 0);
00137
00138 timeout-><a class="code" href="structDBusTimeout.html#m1">interval</a> = interval;
00139 }
00140
00151 <font class="keywordtype">void</font>
<a name="l00152"></a><a class="code" href="group__DBusTimeoutInternals.html#a4">00152</a> _dbus_timeout_set_enabled (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout,
00153 dbus_bool_t enabled)
00154 {
00155 timeout-><a class="code" href="structDBusTimeout.html#m7">enabled</a> = enabled != FALSE;
00156 }
00157
00158
<a name="l00175"></a><a class="code" href="structDBusTimeoutList.html">00175</a> <font class="keyword">struct </font><a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a>
00176 {
<a name="l00177"></a><a class="code" href="structDBusTimeoutList.html#m0">00177</a> <a class="code" href="structDBusList.html">DBusList</a> *<a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>;
<a name="l00179"></a><a class="code" href="structDBusTimeoutList.html#m1">00179</a> DBusAddTimeoutFunction <a class="code" href="structDBusTimeoutList.html#m1">add_timeout_function</a>;
<a name="l00180"></a><a class="code" href="structDBusTimeoutList.html#m2">00180</a> DBusRemoveTimeoutFunction <a class="code" href="structDBusTimeoutList.html#m2">remove_timeout_function</a>;
<a name="l00181"></a><a class="code" href="structDBusTimeoutList.html#m3">00181</a> DBusTimeoutToggledFunction <a class="code" href="structDBusTimeoutList.html#m3">timeout_toggled_function</a>;
<a name="l00182"></a><a class="code" href="structDBusTimeoutList.html#m4">00182</a> <font class="keywordtype">void</font> *<a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a>;
<a name="l00183"></a><a class="code" href="structDBusTimeoutList.html#m5">00183</a> DBusFreeFunction <a class="code" href="structDBusTimeoutList.html#m5">timeout_free_data_function</a>;
00184 };
00185
00192 <a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a>*
<a name="l00193"></a><a class="code" href="group__DBusTimeoutInternals.html#a5">00193</a> _dbus_timeout_list_new (<font class="keywordtype">void</font>)
00194 {
00195 <a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a> *timeout_list;
00196
00197 timeout_list = dbus_new0 (<a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a>, 1);
00198 <font class="keywordflow">if</font> (timeout_list == NULL)
00199 <font class="keywordflow">return</font> NULL;
00200
00201 <font class="keywordflow">return</font> timeout_list;
00202 }
00203
00209 <font class="keywordtype">void</font>
<a name="l00210"></a><a class="code" href="group__DBusTimeoutInternals.html#a6">00210</a> _dbus_timeout_list_free (<a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a> *timeout_list)
00211 {
00212 <font class="comment">/* free timeout_data and remove timeouts as a side effect */</font>
00213 _dbus_timeout_list_set_functions (timeout_list,
00214 NULL, NULL, NULL, NULL, NULL);
00215
00216 _dbus_list_foreach (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>,
00217 (DBusForeachFunction) _dbus_timeout_unref,
00218 NULL);
00219 _dbus_list_clear (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>);
00220
00221 dbus_free (timeout_list);
00222 }
00223
00237 dbus_bool_t
<a name="l00238"></a><a class="code" href="group__DBusTimeoutInternals.html#a7">00238</a> _dbus_timeout_list_set_functions (<a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a> *timeout_list,
00239 DBusAddTimeoutFunction add_function,
00240 DBusRemoveTimeoutFunction remove_function,
00241 DBusTimeoutToggledFunction toggled_function,
00242 <font class="keywordtype">void</font> *data,
00243 DBusFreeFunction free_data_function)
00244 {
00245 <font class="comment">/* Add timeouts with the new function, failing on OOM */</font>
00246 <font class="keywordflow">if</font> (add_function != NULL)
00247 {
00248 <a class="code" href="structDBusList.html">DBusList</a> *link;
00249
00250 link = _dbus_list_get_first_link (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>);
00251 <font class="keywordflow">while</font> (link != NULL)
00252 {
00253 <a class="code" href="structDBusList.html">DBusList</a> *next = _dbus_list_get_next_link (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>,
00254 link);
00255
00256 <font class="keywordflow">if</font> (!(* add_function) (link-><a class="code" href="structDBusList.html#m2">data</a>, data))
00257 {
00258 <font class="comment">/* remove it all again and return FALSE */</font>
00259 <a class="code" href="structDBusList.html">DBusList</a> *link2;
00260
00261 link2 = _dbus_list_get_first_link (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>);
00262 <font class="keywordflow">while</font> (link2 != link)
00263 {
00264 <a class="code" href="structDBusList.html">DBusList</a> *next = _dbus_list_get_next_link (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>,
00265 link2);
00266
00267 (* remove_function) (link2-><a class="code" href="structDBusList.html#m2">data</a>, data);
00268
00269 link2 = next;
00270 }
00271
00272 <font class="keywordflow">return</font> FALSE;
00273 }
00274
00275 link = next;
00276 }
00277 }
00278
00279 <font class="comment">/* Remove all current timeouts from previous timeout handlers */</font>
00280
00281 <font class="keywordflow">if</font> (timeout_list-><a class="code" href="structDBusTimeoutList.html#m2">remove_timeout_function</a> != NULL)
00282 {
00283 _dbus_list_foreach (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>,
00284 (DBusForeachFunction) timeout_list-><a class="code" href="structDBusTimeoutList.html#m2">remove_timeout_function</a>,
00285 timeout_list-><a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a>);
00286 }
00287
00288 <font class="keywordflow">if</font> (timeout_list-><a class="code" href="structDBusTimeoutList.html#m5">timeout_free_data_function</a> != NULL)
00289 (* timeout_list-><a class="code" href="structDBusTimeoutList.html#m5">timeout_free_data_function</a>) (timeout_list-><a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a>);
00290
00291 timeout_list-><a class="code" href="structDBusTimeoutList.html#m1">add_timeout_function</a> = add_function;
00292 timeout_list-><a class="code" href="structDBusTimeoutList.html#m2">remove_timeout_function</a> = remove_function;
00293 timeout_list-><a class="code" href="structDBusTimeoutList.html#m3">timeout_toggled_function</a> = toggled_function;
00294 timeout_list-><a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a> = data;
00295 timeout_list-><a class="code" href="structDBusTimeoutList.html#m5">timeout_free_data_function</a> = free_data_function;
00296
00297 <font class="keywordflow">return</font> TRUE;
00298 }
00299
00308 dbus_bool_t
<a name="l00309"></a><a class="code" href="group__DBusTimeoutInternals.html#a8">00309</a> _dbus_timeout_list_add_timeout (<a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a> *timeout_list,
00310 <a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00311 {
00312 <font class="keywordflow">if</font> (!_dbus_list_append (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>, timeout))
00313 <font class="keywordflow">return</font> FALSE;
00314
00315 _dbus_timeout_ref (timeout);
00316
00317 <font class="keywordflow">if</font> (timeout_list-><a class="code" href="structDBusTimeoutList.html#m1">add_timeout_function</a> != NULL)
00318 {
00319 <font class="keywordflow">if</font> (!(* timeout_list-><a class="code" href="structDBusTimeoutList.html#m1">add_timeout_function</a>) (timeout,
00320 timeout_list-><a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a>))
00321 {
00322 _dbus_list_remove_last (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>, timeout);
00323 _dbus_timeout_unref (timeout);
00324 <font class="keywordflow">return</font> FALSE;
00325 }
00326 }
00327
00328 <font class="keywordflow">return</font> TRUE;
00329 }
00330
00338 <font class="keywordtype">void</font>
<a name="l00339"></a><a class="code" href="group__DBusTimeoutInternals.html#a9">00339</a> _dbus_timeout_list_remove_timeout (<a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a> *timeout_list,
00340 <a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00341 {
00342 <font class="keywordflow">if</font> (!_dbus_list_remove (&timeout_list-><a class="code" href="structDBusTimeoutList.html#m0">timeouts</a>, timeout))
00343 _dbus_assert_not_reached (<font class="stringliteral">"Nonexistent timeout was removed"</font>);
00344
00345 <font class="keywordflow">if</font> (timeout_list-><a class="code" href="structDBusTimeoutList.html#m2">remove_timeout_function</a> != NULL)
00346 (* timeout_list-><a class="code" href="structDBusTimeoutList.html#m2">remove_timeout_function</a>) (timeout,
00347 timeout_list-><a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a>);
00348
00349 _dbus_timeout_unref (timeout);
00350 }
00351
00360 <font class="keywordtype">void</font>
<a name="l00361"></a><a class="code" href="group__DBusTimeoutInternals.html#a10">00361</a> _dbus_timeout_list_toggle_timeout (<a class="code" href="structDBusTimeoutList.html">DBusTimeoutList</a> *timeout_list,
00362 <a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout,
00363 dbus_bool_t enabled)
00364 {
00365 enabled = !!enabled;
00366
00367 <font class="keywordflow">if</font> (enabled == timeout-><a class="code" href="structDBusTimeout.html#m7">enabled</a>)
00368 <font class="keywordflow">return</font>;
00369
00370 timeout-><a class="code" href="structDBusTimeout.html#m7">enabled</a> = enabled;
00371
00372 <font class="keywordflow">if</font> (timeout_list-><a class="code" href="structDBusTimeoutList.html#m3">timeout_toggled_function</a> != NULL)
00373 (* timeout_list-><a class="code" href="structDBusTimeoutList.html#m3">timeout_toggled_function</a>) (timeout,
00374 timeout_list-><a class="code" href="structDBusTimeoutList.html#m4">timeout_data</a>);
00375 }
00376
00411 <font class="keywordtype">int</font>
<a name="l00412"></a><a class="code" href="group__DBusTimeout.html#a11">00412</a> dbus_timeout_get_interval (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00413 {
00414 <font class="keywordflow">return</font> timeout-><a class="code" href="structDBusTimeout.html#m1">interval</a>;
00415 }
00416
00424 <font class="keywordtype">void</font>*
<a name="l00425"></a><a class="code" href="group__DBusTimeout.html#a12">00425</a> dbus_timeout_get_data (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00426 {
00427 <font class="keywordflow">return</font> timeout-><a class="code" href="structDBusTimeout.html#m5">data</a>;
00428 }
00429
00441 <font class="keywordtype">void</font>
<a name="l00442"></a><a class="code" href="group__DBusTimeout.html#a13">00442</a> dbus_timeout_set_data (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout,
00443 <font class="keywordtype">void</font> *data,
00444 DBusFreeFunction free_data_function)
00445 {
00446 <font class="keywordflow">if</font> (timeout-><a class="code" href="structDBusTimeout.html#m6">free_data_function</a> != NULL)
00447 (* timeout-><a class="code" href="structDBusTimeout.html#m6">free_data_function</a>) (timeout-><a class="code" href="structDBusTimeout.html#m5">data</a>);
00448
00449 timeout-><a class="code" href="structDBusTimeout.html#m5">data</a> = data;
00450 timeout-><a class="code" href="structDBusTimeout.html#m6">free_data_function</a> = free_data_function;
00451 }
00452
00467 dbus_bool_t
<a name="l00468"></a><a class="code" href="group__DBusTimeout.html#a14">00468</a> dbus_timeout_handle (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00469 {
00470 <font class="keywordflow">return</font> (* timeout-><a class="code" href="structDBusTimeout.html#m2">handler</a>) (timeout-><a class="code" href="structDBusTimeout.html#m3">handler_data</a>);
00471 }
00472
00473
00481 dbus_bool_t
<a name="l00482"></a><a class="code" href="group__DBusTimeout.html#a15">00482</a> dbus_timeout_get_enabled (<a class="code" href="structDBusTimeout.html">DBusTimeout</a> *timeout)
00483 {
00484 <font class="keywordflow">return</font> timeout-><a class="code" href="structDBusTimeout.html#m7">enabled</a>;
00485 }
00486
</pre></div><hr><address align="right"><small>Generated on Wed Jun 9 05:01:27 2004 for D-BUS by
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