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<hr><h1>dbus-watch.c</h1><div class="fragment"><pre>00001 <font class="comment">/* -*- mode: C; c-file-style: "gnu" -*- */</font>
00002 <font class="comment">/* dbus-watch.c DBusWatch implementation</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Copyright (C) 2002, 2003 Red Hat Inc.</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-watch.h"</font>
00026 <font class="preprocessor">#include "dbus-list.h"</font>
00027
<a name="l00039"></a><a class="code" href="structDBusWatch.html">00039</a> <font class="keyword">struct </font><a class="code" href="structDBusWatch.html">DBusWatch</a>
00040 {
<a name="l00041"></a><a class="code" href="structDBusWatch.html#m0">00041</a> <font class="keywordtype">int</font> <a class="code" href="structDBusWatch.html#m0">refcount</a>;
<a name="l00042"></a><a class="code" href="structDBusWatch.html#m1">00042</a> <font class="keywordtype">int</font> <a class="code" href="structDBusWatch.html#m1">fd</a>;
<a name="l00043"></a><a class="code" href="structDBusWatch.html#m2">00043</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> <a class="code" href="structDBusWatch.html#m2">flags</a>;
<a name="l00045"></a><a class="code" href="structDBusWatch.html#m3">00045</a> DBusWatchHandler <a class="code" href="structDBusWatch.html#m3">handler</a>;
<a name="l00046"></a><a class="code" href="structDBusWatch.html#m4">00046</a> <font class="keywordtype">void</font> *<a class="code" href="structDBusWatch.html#m4">handler_data</a>;
<a name="l00047"></a><a class="code" href="structDBusWatch.html#m5">00047</a> DBusFreeFunction <a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a>;
<a name="l00049"></a><a class="code" href="structDBusWatch.html#m6">00049</a> <font class="keywordtype">void</font> *<a class="code" href="structDBusWatch.html#m6">data</a>;
<a name="l00050"></a><a class="code" href="structDBusWatch.html#m7">00050</a> DBusFreeFunction <a class="code" href="structDBusWatch.html#m7">free_data_function</a>;
<a name="l00051"></a><a class="code" href="structDBusWatch.html#m8">00051</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> <a class="code" href="structDBusWatch.html#m8">enabled</a> : 1;
00052 };
00053
00066 <a class="code" href="structDBusWatch.html">DBusWatch</a>*
<a name="l00067"></a><a class="code" href="group__DBusWatchInternals.html#a0">00067</a> _dbus_watch_new (<font class="keywordtype">int</font> fd,
00068 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> flags,
00069 dbus_bool_t enabled,
00070 DBusWatchHandler handler,
00071 <font class="keywordtype">void</font> *data,
00072 DBusFreeFunction free_data_function)
00073 {
00074 <a class="code" href="structDBusWatch.html">DBusWatch</a> *watch;
00075
00076 <font class="preprocessor">#define VALID_WATCH_FLAGS (DBUS_WATCH_WRITABLE | DBUS_WATCH_READABLE)</font>
00077 <font class="preprocessor"></font>
00078 _dbus_assert ((flags & VALID_WATCH_FLAGS) == flags);
00079
00080 watch = dbus_new0 (<a class="code" href="structDBusWatch.html">DBusWatch</a>, 1);
00081 <font class="keywordflow">if</font> (watch == NULL)
00082 <font class="keywordflow">return</font> NULL;
00083
00084 watch-><a class="code" href="structDBusWatch.html#m0">refcount</a> = 1;
00085 watch-><a class="code" href="structDBusWatch.html#m1">fd</a> = fd;
00086 watch-><a class="code" href="structDBusWatch.html#m2">flags</a> = flags;
00087 watch-><a class="code" href="structDBusWatch.html#m8">enabled</a> = enabled;
00088
00089 watch-><a class="code" href="structDBusWatch.html#m3">handler</a> = handler;
00090 watch-><a class="code" href="structDBusWatch.html#m4">handler_data</a> = data;
00091 watch-><a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a> = free_data_function;
00092
00093 <font class="keywordflow">return</font> watch;
00094 }
00095
00102 <a class="code" href="structDBusWatch.html">DBusWatch</a> *
<a name="l00103"></a><a class="code" href="group__DBusWatchInternals.html#a1">00103</a> _dbus_watch_ref (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00104 {
00105 watch-><a class="code" href="structDBusWatch.html#m0">refcount</a> += 1;
00106
00107 <font class="keywordflow">return</font> watch;
00108 }
00109
00116 <font class="keywordtype">void</font>
<a name="l00117"></a><a class="code" href="group__DBusWatchInternals.html#a2">00117</a> _dbus_watch_unref (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00118 {
00119 _dbus_assert (watch != NULL);
00120 _dbus_assert (watch-><a class="code" href="structDBusWatch.html#m0">refcount</a> > 0);
00121
00122 watch-><a class="code" href="structDBusWatch.html#m0">refcount</a> -= 1;
00123 <font class="keywordflow">if</font> (watch-><a class="code" href="structDBusWatch.html#m0">refcount</a> == 0)
00124 {
00125 dbus_watch_set_data (watch, NULL, NULL); <font class="comment">/* call free_data_function */</font>
00126
00127 <font class="keywordflow">if</font> (watch-><a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a>)
00128 (* watch-><a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a>) (watch-><a class="code" href="structDBusWatch.html#m4">handler_data</a>);
00129
00130 dbus_free (watch);
00131 }
00132 }
00133
00144 <font class="keywordtype">void</font>
<a name="l00145"></a><a class="code" href="group__DBusWatchInternals.html#a3">00145</a> _dbus_watch_invalidate (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00146 {
00147 watch-><a class="code" href="structDBusWatch.html#m1">fd</a> = -1;
00148 watch-><a class="code" href="structDBusWatch.html#m2">flags</a> = 0;
00149 }
00150
00160 <font class="keywordtype">void</font>
<a name="l00161"></a><a class="code" href="group__DBusWatchInternals.html#a4">00161</a> _dbus_watch_sanitize_condition (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch,
00162 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> *condition)
00163 {
00164 <font class="keywordflow">if</font> (!(watch-><a class="code" href="structDBusWatch.html#m2">flags</a> & DBUS_WATCH_READABLE))
00165 *condition &= ~DBUS_WATCH_READABLE;
00166 <font class="keywordflow">if</font> (!(watch-><a class="code" href="structDBusWatch.html#m2">flags</a> & DBUS_WATCH_WRITABLE))
00167 *condition &= ~DBUS_WATCH_WRITABLE;
00168 }
00169
00170
<a name="l00190"></a><a class="code" href="structDBusWatchList.html">00190</a> <font class="keyword">struct </font><a class="code" href="structDBusWatchList.html">DBusWatchList</a>
00191 {
<a name="l00192"></a><a class="code" href="structDBusWatchList.html#m0">00192</a> <a class="code" href="structDBusList.html">DBusList</a> *<a class="code" href="structDBusWatchList.html#m0">watches</a>;
<a name="l00194"></a><a class="code" href="structDBusWatchList.html#m1">00194</a> DBusAddWatchFunction <a class="code" href="structDBusWatchList.html#m1">add_watch_function</a>;
<a name="l00195"></a><a class="code" href="structDBusWatchList.html#m2">00195</a> DBusRemoveWatchFunction <a class="code" href="structDBusWatchList.html#m2">remove_watch_function</a>;
<a name="l00196"></a><a class="code" href="structDBusWatchList.html#m3">00196</a> DBusWatchToggledFunction <a class="code" href="structDBusWatchList.html#m3">watch_toggled_function</a>;
<a name="l00197"></a><a class="code" href="structDBusWatchList.html#m4">00197</a> <font class="keywordtype">void</font> *<a class="code" href="structDBusWatchList.html#m4">watch_data</a>;
<a name="l00198"></a><a class="code" href="structDBusWatchList.html#m5">00198</a> DBusFreeFunction <a class="code" href="structDBusWatchList.html#m5">watch_free_data_function</a>;
00199 };
00200
00207 <a class="code" href="structDBusWatchList.html">DBusWatchList</a>*
<a name="l00208"></a><a class="code" href="group__DBusWatchInternals.html#a5">00208</a> _dbus_watch_list_new (<font class="keywordtype">void</font>)
00209 {
00210 <a class="code" href="structDBusWatchList.html">DBusWatchList</a> *watch_list;
00211
00212 watch_list = dbus_new0 (<a class="code" href="structDBusWatchList.html">DBusWatchList</a>, 1);
00213 <font class="keywordflow">if</font> (watch_list == NULL)
00214 <font class="keywordflow">return</font> NULL;
00215
00216 <font class="keywordflow">return</font> watch_list;
00217 }
00218
00224 <font class="keywordtype">void</font>
<a name="l00225"></a><a class="code" href="group__DBusWatchInternals.html#a6">00225</a> _dbus_watch_list_free (<a class="code" href="structDBusWatchList.html">DBusWatchList</a> *watch_list)
00226 {
00227 <font class="comment">/* free watch_data and removes watches as a side effect */</font>
00228 _dbus_watch_list_set_functions (watch_list,
00229 NULL, NULL, NULL, NULL, NULL);
00230 _dbus_list_foreach (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>,
00231 (DBusForeachFunction) _dbus_watch_unref,
00232 NULL);
00233 _dbus_list_clear (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>);
00234
00235 dbus_free (watch_list);
00236 }
00237
00252 dbus_bool_t
<a name="l00253"></a><a class="code" href="group__DBusWatchInternals.html#a7">00253</a> _dbus_watch_list_set_functions (<a class="code" href="structDBusWatchList.html">DBusWatchList</a> *watch_list,
00254 DBusAddWatchFunction add_function,
00255 DBusRemoveWatchFunction remove_function,
00256 DBusWatchToggledFunction toggled_function,
00257 <font class="keywordtype">void</font> *data,
00258 DBusFreeFunction free_data_function)
00259 {
00260 <font class="comment">/* Add watches with the new watch function, failing on OOM */</font>
00261 <font class="keywordflow">if</font> (add_function != NULL)
00262 {
00263 <a class="code" href="structDBusList.html">DBusList</a> *link;
00264
00265 link = _dbus_list_get_first_link (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>);
00266 <font class="keywordflow">while</font> (link != NULL)
00267 {
00268 <a class="code" href="structDBusList.html">DBusList</a> *next = _dbus_list_get_next_link (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>,
00269 link);
00270
00271 _dbus_verbose (<font class="stringliteral">"Adding a watch on fd %d using newly-set add watch function\n"</font>,
00272 dbus_watch_get_fd (link-><a class="code" href="structDBusList.html#m2">data</a>));
00273
00274 <font class="keywordflow">if</font> (!(* add_function) (link-><a class="code" href="structDBusList.html#m2">data</a>, data))
00275 {
00276 <font class="comment">/* remove it all again and return FALSE */</font>
00277 <a class="code" href="structDBusList.html">DBusList</a> *link2;
00278
00279 link2 = _dbus_list_get_first_link (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>);
00280 <font class="keywordflow">while</font> (link2 != link)
00281 {
00282 <a class="code" href="structDBusList.html">DBusList</a> *next = _dbus_list_get_next_link (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>,
00283 link2);
00284
00285 _dbus_verbose (<font class="stringliteral">"Removing watch on fd %d using newly-set remove function because initial add failed\n"</font>,
00286 dbus_watch_get_fd (link2-><a class="code" href="structDBusList.html#m2">data</a>));
00287
00288 (* remove_function) (link2-><a class="code" href="structDBusList.html#m2">data</a>, data);
00289
00290 link2 = next;
00291 }
00292
00293 <font class="keywordflow">return</font> FALSE;
00294 }
00295
00296 link = next;
00297 }
00298 }
00299
00300 <font class="comment">/* Remove all current watches from previous watch handlers */</font>
00301
00302 <font class="keywordflow">if</font> (watch_list-><a class="code" href="structDBusWatchList.html#m2">remove_watch_function</a> != NULL)
00303 {
00304 _dbus_verbose (<font class="stringliteral">"Removing all pre-existing watches\n"</font>);
00305
00306 _dbus_list_foreach (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>,
00307 (DBusForeachFunction) watch_list-><a class="code" href="structDBusWatchList.html#m2">remove_watch_function</a>,
00308 watch_list-><a class="code" href="structDBusWatchList.html#m4">watch_data</a>);
00309 }
00310
00311 <font class="keywordflow">if</font> (watch_list-><a class="code" href="structDBusWatchList.html#m5">watch_free_data_function</a> != NULL)
00312 (* watch_list-><a class="code" href="structDBusWatchList.html#m5">watch_free_data_function</a>) (watch_list-><a class="code" href="structDBusWatchList.html#m4">watch_data</a>);
00313
00314 watch_list-><a class="code" href="structDBusWatchList.html#m1">add_watch_function</a> = add_function;
00315 watch_list-><a class="code" href="structDBusWatchList.html#m2">remove_watch_function</a> = remove_function;
00316 watch_list-><a class="code" href="structDBusWatchList.html#m3">watch_toggled_function</a> = toggled_function;
00317 watch_list-><a class="code" href="structDBusWatchList.html#m4">watch_data</a> = data;
00318 watch_list-><a class="code" href="structDBusWatchList.html#m5">watch_free_data_function</a> = free_data_function;
00319
00320 <font class="keywordflow">return</font> TRUE;
00321 }
00322
00331 dbus_bool_t
<a name="l00332"></a><a class="code" href="group__DBusWatchInternals.html#a8">00332</a> _dbus_watch_list_add_watch (<a class="code" href="structDBusWatchList.html">DBusWatchList</a> *watch_list,
00333 <a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00334 {
00335 <font class="keywordflow">if</font> (!_dbus_list_append (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>, watch))
00336 <font class="keywordflow">return</font> FALSE;
00337
00338 _dbus_watch_ref (watch);
00339
00340 <font class="keywordflow">if</font> (watch_list-><a class="code" href="structDBusWatchList.html#m1">add_watch_function</a> != NULL)
00341 {
00342 _dbus_verbose (<font class="stringliteral">"Adding watch on fd %d\n"</font>,
00343 dbus_watch_get_fd (watch));
00344
00345 <font class="keywordflow">if</font> (!(* watch_list-><a class="code" href="structDBusWatchList.html#m1">add_watch_function</a>) (watch,
00346 watch_list-><a class="code" href="structDBusWatchList.html#m4">watch_data</a>))
00347 {
00348 _dbus_list_remove_last (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>, watch);
00349 _dbus_watch_unref (watch);
00350 <font class="keywordflow">return</font> FALSE;
00351 }
00352 }
00353
00354 <font class="keywordflow">return</font> TRUE;
00355 }
00356
00364 <font class="keywordtype">void</font>
<a name="l00365"></a><a class="code" href="group__DBusWatchInternals.html#a9">00365</a> _dbus_watch_list_remove_watch (<a class="code" href="structDBusWatchList.html">DBusWatchList</a> *watch_list,
00366 <a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00367 {
00368 <font class="keywordflow">if</font> (!_dbus_list_remove (&watch_list-><a class="code" href="structDBusWatchList.html#m0">watches</a>, watch))
00369 _dbus_assert_not_reached (<font class="stringliteral">"Nonexistent watch was removed"</font>);
00370
00371 <font class="keywordflow">if</font> (watch_list-><a class="code" href="structDBusWatchList.html#m2">remove_watch_function</a> != NULL)
00372 {
00373 _dbus_verbose (<font class="stringliteral">"Removing watch on fd %d\n"</font>,
00374 dbus_watch_get_fd (watch));
00375
00376 (* watch_list-><a class="code" href="structDBusWatchList.html#m2">remove_watch_function</a>) (watch,
00377 watch_list-><a class="code" href="structDBusWatchList.html#m4">watch_data</a>);
00378 }
00379
00380 _dbus_watch_unref (watch);
00381 }
00382
00391 <font class="keywordtype">void</font>
<a name="l00392"></a><a class="code" href="group__DBusWatchInternals.html#a10">00392</a> _dbus_watch_list_toggle_watch (<a class="code" href="structDBusWatchList.html">DBusWatchList</a> *watch_list,
00393 <a class="code" href="structDBusWatch.html">DBusWatch</a> *watch,
00394 dbus_bool_t enabled)
00395 {
00396 enabled = !!enabled;
00397
00398 <font class="keywordflow">if</font> (enabled == watch-><a class="code" href="structDBusWatch.html#m8">enabled</a>)
00399 <font class="keywordflow">return</font>;
00400
00401 watch-><a class="code" href="structDBusWatch.html#m8">enabled</a> = enabled;
00402
00403 <font class="keywordflow">if</font> (watch_list-><a class="code" href="structDBusWatchList.html#m3">watch_toggled_function</a> != NULL)
00404 {
00405 _dbus_verbose (<font class="stringliteral">"Toggling watch on fd %d to %d\n"</font>,
00406 dbus_watch_get_fd (watch), watch-><a class="code" href="structDBusWatch.html#m8">enabled</a>);
00407
00408 (* watch_list-><a class="code" href="structDBusWatchList.html#m3">watch_toggled_function</a>) (watch,
00409 watch_list-><a class="code" href="structDBusWatchList.html#m4">watch_data</a>);
00410 }
00411 }
00412
00425 <font class="keywordtype">void</font>
<a name="l00426"></a><a class="code" href="group__DBusWatchInternals.html#a11">00426</a> _dbus_watch_set_handler (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch,
00427 DBusWatchHandler handler,
00428 <font class="keywordtype">void</font> *data,
00429 DBusFreeFunction free_data_function)
00430 {
00431 <font class="keywordflow">if</font> (watch-><a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a>)
00432 (* watch-><a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a>) (watch-><a class="code" href="structDBusWatch.html#m4">handler_data</a>);
00433
00434 watch-><a class="code" href="structDBusWatch.html#m3">handler</a> = handler;
00435 watch-><a class="code" href="structDBusWatch.html#m4">handler_data</a> = data;
00436 watch-><a class="code" href="structDBusWatch.html#m5">free_handler_data_function</a> = free_data_function;
00437 }
00438
00467 <font class="keywordtype">int</font>
<a name="l00468"></a><a class="code" href="group__DBusWatch.html#a13">00468</a> dbus_watch_get_fd (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00469 {
00470 <font class="keywordflow">return</font> watch-><a class="code" href="structDBusWatch.html#m1">fd</a>;
00471 }
00472
00486 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font>
<a name="l00487"></a><a class="code" href="group__DBusWatch.html#a14">00487</a> dbus_watch_get_flags (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00488 {
00489 _dbus_assert ((watch-><a class="code" href="structDBusWatch.html#m2">flags</a> & VALID_WATCH_FLAGS) == watch-><a class="code" href="structDBusWatch.html#m2">flags</a>);
00490
00491 <font class="keywordflow">return</font> watch-><a class="code" href="structDBusWatch.html#m2">flags</a>;
00492 }
00493
00501 <font class="keywordtype">void</font>*
<a name="l00502"></a><a class="code" href="group__DBusWatch.html#a15">00502</a> dbus_watch_get_data (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00503 {
00504 <font class="keywordflow">return</font> watch-><a class="code" href="structDBusWatch.html#m6">data</a>;
00505 }
00506
00518 <font class="keywordtype">void</font>
<a name="l00519"></a><a class="code" href="group__DBusWatch.html#a16">00519</a> dbus_watch_set_data (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch,
00520 <font class="keywordtype">void</font> *data,
00521 DBusFreeFunction free_data_function)
00522 {
00523 _dbus_verbose (<font class="stringliteral">"Setting watch fd %d data to data = %p function = %p from data = %p function = %p\n"</font>,
00524 dbus_watch_get_fd (watch),
00525 data, free_data_function, watch-><a class="code" href="structDBusWatch.html#m6">data</a>, watch-><a class="code" href="structDBusWatch.html#m7">free_data_function</a>);
00526
00527 <font class="keywordflow">if</font> (watch-><a class="code" href="structDBusWatch.html#m7">free_data_function</a> != NULL)
00528 (* watch-><a class="code" href="structDBusWatch.html#m7">free_data_function</a>) (watch-><a class="code" href="structDBusWatch.html#m6">data</a>);
00529
00530 watch-><a class="code" href="structDBusWatch.html#m6">data</a> = data;
00531 watch-><a class="code" href="structDBusWatch.html#m7">free_data_function</a> = free_data_function;
00532 }
00533
00541 dbus_bool_t
<a name="l00542"></a><a class="code" href="group__DBusWatch.html#a17">00542</a> dbus_watch_get_enabled (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch)
00543 {
00544 _dbus_assert (watch != NULL);
00545 <font class="keywordflow">return</font> watch-><a class="code" href="structDBusWatch.html#m8">enabled</a>;
00546 }
00547
00548
00571 dbus_bool_t
<a name="l00572"></a><a class="code" href="group__DBusWatch.html#a18">00572</a> dbus_watch_handle (<a class="code" href="structDBusWatch.html">DBusWatch</a> *watch,
00573 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> flags)
00574 {
00575 <font class="preprocessor">#ifndef DBUS_DISABLE_CHECKS</font>
00576 <font class="preprocessor"></font> <font class="keywordflow">if</font> (watch-><a class="code" href="structDBusWatch.html#m1">fd</a> < 0 || watch-><a class="code" href="structDBusWatch.html#m2">flags</a> == 0)
00577 {
00578 _dbus_warn (<font class="stringliteral">"%s: Watch is invalid, it should have been removed\n"</font>,
00579 _DBUS_FUNCTION_NAME);
00580 <font class="keywordflow">return</font> TRUE;
00581 }
00582 <font class="preprocessor">#endif</font>
00583 <font class="preprocessor"></font>
00584 _dbus_return_val_if_fail (watch-><a class="code" href="structDBusWatch.html#m1">fd</a> >= 0 <font class="comment">/* fails if watch was removed */</font>, TRUE);
00585
00586 _dbus_watch_sanitize_condition (watch, &flags);
00587
00588 <font class="keywordflow">if</font> (flags == 0)
00589 {
00590 _dbus_verbose (<font class="stringliteral">"After sanitization, watch flags on fd %d were 0\n"</font>,
00591 watch-><a class="code" href="structDBusWatch.html#m1">fd</a>);
00592 <font class="keywordflow">return</font> TRUE;
00593 }
00594 <font class="keywordflow">else</font>
00595 <font class="keywordflow">return</font> (* watch-><a class="code" href="structDBusWatch.html#m3">handler</a>) (watch, flags,
00596 watch-><a class="code" href="structDBusWatch.html#m4">handler_data</a>);
00597 }
00598
00599
</pre></div><hr><address align="right"><small>Generated on Wed Jun 9 05:01:27 2004 for D-BUS by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0
width=110 height=53></a>1.2.15 </small></address>
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Mandriva
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146
