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<h1>dbus-memory.c</h1><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-memory.c D-Bus memory handling</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002, 2003 Red Hat Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00009"></a>00009 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00010"></a>00010 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00011"></a>00011 <span class="comment"> * (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00016"></a>00016 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> * </span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "dbus-memory.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-sysdeps.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "dbus-list.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00029"></a>00029 <span class="comment">/* end of public API docs */</span>
<a name="l00091"></a>00091
<a name="l00098"></a>00098 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span><span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> debug_initialized = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00100"></a>00100 <span class="keyword">static</span> <span class="keywordtype">int</span> fail_nth = -1;
<a name="l00101"></a>00101 <span class="keyword">static</span> size_t fail_size = 0;
<a name="l00102"></a>00102 <span class="keyword">static</span> <span class="keywordtype">int</span> fail_alloc_counter = <a class="code" href="group__DBusInternalsUtils.html#g5627db5e165848477e620846f6414db1">_DBUS_INT_MAX</a>;
<a name="l00103"></a>00103 <span class="keyword">static</span> <span class="keywordtype">int</span> n_failures_per_failure = 1;
<a name="l00104"></a>00104 <span class="keyword">static</span> <span class="keywordtype">int</span> n_failures_this_failure = 0;
<a name="l00105"></a>00105 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> guards = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00106"></a>00106 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> disable_mem_pools = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00107"></a>00107 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> backtrace_on_fail_alloc = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00108"></a>00108 <span class="keyword">static</span> <a class="code" href="structDBusAtomic.html">DBusAtomic</a> n_blocks_outstanding = {0};
<a name="l00109"></a>00109
<a name="l00111"></a>00111 <span class="preprocessor">#define GUARD_VALUE 0xdeadbeef</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
<a name="l00113"></a>00113 <span class="preprocessor">#define GUARD_INFO_SIZE 8</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span>
<a name="l00115"></a>00115 <span class="preprocessor">#define GUARD_START_PAD 16</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span>
<a name="l00117"></a>00117 <span class="preprocessor">#define GUARD_END_PAD 16</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span>
<a name="l00119"></a>00119 <span class="preprocessor">#define GUARD_START_OFFSET (GUARD_START_PAD + GUARD_INFO_SIZE)</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span>
<a name="l00121"></a>00121 <span class="preprocessor">#define GUARD_EXTRA_SIZE (GUARD_START_OFFSET + GUARD_END_PAD)</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span>
<a name="l00123"></a>00123 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00124"></a>00124 _dbus_initialize_malloc_debug (<span class="keywordtype">void</span>)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (!debug_initialized)
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 debug_initialized = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_MALLOC_FAIL_NTH"</span>) != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 fail_nth = atoi (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_MALLOC_FAIL_NTH"</span>));
<a name="l00133"></a>00133 fail_alloc_counter = fail_nth;
<a name="l00134"></a>00134 _dbus_verbose (<span class="stringliteral">"Will fail malloc every %d times\n"</span>, fail_nth);
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_MALLOC_FAIL_GREATER_THAN"</span>) != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 fail_size = atoi (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_MALLOC_FAIL_GREATER_THAN"</span>));
<a name="l00140"></a>00140 _dbus_verbose (<span class="stringliteral">"Will fail mallocs over %ld bytes\n"</span>,
<a name="l00141"></a>00141 (<span class="keywordtype">long</span>) fail_size);
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_MALLOC_GUARDS"</span>) != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 guards = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00147"></a>00147 _dbus_verbose (<span class="stringliteral">"Will use malloc guards\n"</span>);
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_DISABLE_MEM_POOLS"</span>) != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 disable_mem_pools = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00153"></a>00153 _dbus_verbose (<span class="stringliteral">"Will disable memory pools\n"</span>);
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_MALLOC_BACKTRACES"</span>) != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 backtrace_on_fail_alloc = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00159"></a>00159 _dbus_verbose (<span class="stringliteral">"Will backtrace on failing a malloc\n"</span>);
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00169"></a>00169 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00170"></a>00170 _dbus_disable_mem_pools (<span class="keywordtype">void</span>)
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 _dbus_initialize_malloc_debug ();
<a name="l00173"></a>00173 <span class="keywordflow">return</span> disable_mem_pools;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175
<a name="l00184"></a>00184 <span class="keywordtype">void</span>
<a name="l00185"></a>00185 _dbus_set_fail_alloc_counter (<span class="keywordtype">int</span> until_next_fail)
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 _dbus_initialize_malloc_debug ();
<a name="l00188"></a>00188
<a name="l00189"></a>00189 fail_alloc_counter = until_next_fail;
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="preprocessor">#if 0</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"Set fail alloc counter = %d\n"</span>, fail_alloc_counter);
<a name="l00193"></a>00193 <span class="preprocessor">#endif</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span>}
<a name="l00195"></a>00195
<a name="l00202"></a>00202 <span class="keywordtype">int</span>
<a name="l00203"></a>00203 _dbus_get_fail_alloc_counter (<span class="keywordtype">void</span>)
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205 _dbus_initialize_malloc_debug ();
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">return</span> fail_alloc_counter;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00216"></a>00216 <span class="keywordtype">void</span>
<a name="l00217"></a>00217 _dbus_set_fail_alloc_failures (<span class="keywordtype">int</span> failures_per_failure)
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 n_failures_per_failure = failures_per_failure;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00228"></a>00228 <span class="keywordtype">int</span>
<a name="l00229"></a>00229 _dbus_get_fail_alloc_failures (<span class="keywordtype">void</span>)
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="keywordflow">return</span> n_failures_per_failure;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00235"></a>00235 <span class="preprocessor"></span>
<a name="l00243"></a>00243 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00244"></a>00244 _dbus_decrement_fail_alloc_counter (<span class="keywordtype">void</span>)
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 _dbus_initialize_malloc_debug ();
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keywordflow">if</span> (fail_alloc_counter <= 0)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (backtrace_on_fail_alloc)
<a name="l00251"></a>00251 <a class="code" href="group__DBusSysdeps.html#g8646ab2ef727fcc862c7904113c88a8d">_dbus_print_backtrace</a> ();
<a name="l00252"></a>00252
<a name="l00253"></a>00253 _dbus_verbose (<span class="stringliteral">"failure %d\n"</span>, n_failures_this_failure);
<a name="l00254"></a>00254
<a name="l00255"></a>00255 n_failures_this_failure += 1;
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (n_failures_this_failure >= n_failures_per_failure)
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 <span class="keywordflow">if</span> (fail_nth >= 0)
<a name="l00259"></a>00259 fail_alloc_counter = fail_nth;
<a name="l00260"></a>00260 <span class="keywordflow">else</span>
<a name="l00261"></a>00261 fail_alloc_counter = <a class="code" href="group__DBusInternalsUtils.html#g5627db5e165848477e620846f6414db1">_DBUS_INT_MAX</a>;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 n_failures_this_failure = 0;
<a name="l00264"></a>00264
<a name="l00265"></a>00265 _dbus_verbose (<span class="stringliteral">"reset fail alloc counter to %d\n"</span>, fail_alloc_counter);
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 <span class="keywordflow">else</span>
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 fail_alloc_counter -= 1;
<a name="l00273"></a>00273 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 <span class="preprocessor">#endif </span><span class="comment">/* DBUS_BUILD_TESTS */</span>
<a name="l00277"></a>00277
<a name="l00283"></a>00283 <span class="keywordtype">int</span>
<a name="l00284"></a>00284 _dbus_get_malloc_blocks_outstanding (<span class="keywordtype">void</span>)
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 <span class="keywordflow">return</span> n_blocks_outstanding.<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a>;
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288
<a name="l00292"></a>00292 <span class="keyword">typedef</span> <span class="keyword">enum</span>
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 SOURCE_UNKNOWN,
<a name="l00295"></a>00295 SOURCE_MALLOC,
<a name="l00296"></a>00296 SOURCE_REALLOC,
<a name="l00297"></a>00297 SOURCE_MALLOC_ZERO,
<a name="l00298"></a>00298 SOURCE_REALLOC_NULL
<a name="l00299"></a>00299 } BlockSource;
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>*
<a name="l00302"></a>00302 source_string (BlockSource source)
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304 <span class="keywordflow">switch</span> (source)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 <span class="keywordflow">case</span> SOURCE_UNKNOWN:
<a name="l00307"></a>00307 <span class="keywordflow">return</span> <span class="stringliteral">"unknown"</span>;
<a name="l00308"></a>00308 <span class="keywordflow">case</span> SOURCE_MALLOC:
<a name="l00309"></a>00309 <span class="keywordflow">return</span> <span class="stringliteral">"malloc"</span>;
<a name="l00310"></a>00310 <span class="keywordflow">case</span> SOURCE_REALLOC:
<a name="l00311"></a>00311 <span class="keywordflow">return</span> <span class="stringliteral">"realloc"</span>;
<a name="l00312"></a>00312 <span class="keywordflow">case</span> SOURCE_MALLOC_ZERO:
<a name="l00313"></a>00313 <span class="keywordflow">return</span> <span class="stringliteral">"malloc0"</span>;
<a name="l00314"></a>00314 <span class="keywordflow">case</span> SOURCE_REALLOC_NULL:
<a name="l00315"></a>00315 <span class="keywordflow">return</span> <span class="stringliteral">"realloc(NULL)"</span>;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 <a class="code" href="group__DBusInternalsUtils.html#g0c4961ec784874f1b1f3aeccea8d3da1">_dbus_assert_not_reached</a> (<span class="stringliteral">"Invalid malloc block source ID"</span>);
<a name="l00318"></a>00318 <span class="keywordflow">return</span> <span class="stringliteral">"invalid!"</span>;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00322"></a>00322 check_guards (<span class="keywordtype">void</span> *free_block,
<a name="l00323"></a>00323 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> overwrite)
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <span class="keywordflow">if</span> (free_block != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00326"></a>00326 {
<a name="l00327"></a>00327 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *block = ((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)free_block) - GUARD_START_OFFSET;
<a name="l00328"></a>00328 size_t requested_bytes = *(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*)block;
<a name="l00329"></a>00329 BlockSource source = *(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*)(block + 4);
<a name="l00330"></a>00330 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00331"></a>00331 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> failed;
<a name="l00332"></a>00332
<a name="l00333"></a>00333 failed = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="preprocessor">#if 0</span>
<a name="l00336"></a>00336 <span class="preprocessor"></span> _dbus_verbose (<span class="stringliteral">"Checking %d bytes request from source %s\n"</span>,
<a name="l00337"></a>00337 requested_bytes, source_string (source));
<a name="l00338"></a>00338 <span class="preprocessor">#endif</span>
<a name="l00339"></a>00339 <span class="preprocessor"></span>
<a name="l00340"></a>00340 i = GUARD_INFO_SIZE;
<a name="l00341"></a>00341 <span class="keywordflow">while</span> (i < GUARD_START_OFFSET)
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 <a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a> value = *(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*) &block[i];
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (value != GUARD_VALUE)
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 <a class="code" href="group__DBusInternalsUtils.html#gbea2c16d6d3fe7c4eb5b9496fc877f84">_dbus_warn</a> (<span class="stringliteral">"Block of %lu bytes from %s had start guard value 0x%ux at %d expected 0x%x\n"</span>,
<a name="l00347"></a>00347 (<span class="keywordtype">long</span>) requested_bytes, source_string (source),
<a name="l00348"></a>00348 value, i, GUARD_VALUE);
<a name="l00349"></a>00349 failed = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351
<a name="l00352"></a>00352 i += 4;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a>00355 i = GUARD_START_OFFSET + requested_bytes;
<a name="l00356"></a>00356 <span class="keywordflow">while</span> (i < (GUARD_START_OFFSET + requested_bytes + GUARD_END_PAD))
<a name="l00357"></a>00357 {
<a name="l00358"></a>00358 <a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a> value = *(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*) &block[i];
<a name="l00359"></a>00359 <span class="keywordflow">if</span> (value != GUARD_VALUE)
<a name="l00360"></a>00360 {
<a name="l00361"></a>00361 <a class="code" href="group__DBusInternalsUtils.html#gbea2c16d6d3fe7c4eb5b9496fc877f84">_dbus_warn</a> (<span class="stringliteral">"Block of %lu bytes from %s had end guard value 0x%ux at %d expected 0x%x\n"</span>,
<a name="l00362"></a>00362 (<span class="keywordtype">long</span>) requested_bytes, source_string (source),
<a name="l00363"></a>00363 value, i, GUARD_VALUE);
<a name="l00364"></a>00364 failed = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 i += 4;
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="comment">/* set memory to anything but nul bytes */</span>
<a name="l00371"></a>00371 <span class="keywordflow">if</span> (overwrite)
<a name="l00372"></a>00372 memset (free_block, <span class="charliteral">'g'</span>, requested_bytes);
<a name="l00373"></a>00373
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (failed)
<a name="l00375"></a>00375 <a class="code" href="group__DBusInternalsUtils.html#g0c4961ec784874f1b1f3aeccea8d3da1">_dbus_assert_not_reached</a> (<span class="stringliteral">"guard value corruption"</span>);
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keyword">static</span> <span class="keywordtype">void</span>*
<a name="l00380"></a>00380 set_guards (<span class="keywordtype">void</span> *real_block,
<a name="l00381"></a>00381 size_t requested_bytes,
<a name="l00382"></a>00382 BlockSource source)
<a name="l00383"></a>00383 {
<a name="l00384"></a>00384 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *block = real_block;
<a name="l00385"></a>00385 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordflow">if</span> (block == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00388"></a>00388 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (GUARD_START_OFFSET + GUARD_END_PAD == GUARD_EXTRA_SIZE);
<a name="l00391"></a>00391
<a name="l00392"></a>00392 *((<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*)block) = requested_bytes;
<a name="l00393"></a>00393 *((<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*)(block + 4)) = source;
<a name="l00394"></a>00394
<a name="l00395"></a>00395 i = GUARD_INFO_SIZE;
<a name="l00396"></a>00396 <span class="keywordflow">while</span> (i < GUARD_START_OFFSET)
<a name="l00397"></a>00397 {
<a name="l00398"></a>00398 (*(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*) &block[i]) = GUARD_VALUE;
<a name="l00399"></a>00399
<a name="l00400"></a>00400 i += 4;
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402
<a name="l00403"></a>00403 i = GUARD_START_OFFSET + requested_bytes;
<a name="l00404"></a>00404 <span class="keywordflow">while</span> (i < (GUARD_START_OFFSET + requested_bytes + GUARD_END_PAD))
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406 (*(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*) &block[i]) = GUARD_VALUE;
<a name="l00407"></a>00407
<a name="l00408"></a>00408 i += 4;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 check_guards (block + GUARD_START_OFFSET, <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>);
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="keywordflow">return</span> block + GUARD_START_OFFSET;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="preprocessor">#endif</span>
<a name="l00417"></a>00417 <span class="preprocessor"></span> <span class="comment">/* End of internals docs */</span>
<a name="l00419"></a>00419
<a name="l00420"></a>00420
<a name="l00439"></a>00439 <span class="keywordtype">void</span>*
<a name="l00440"></a><a class="code" href="group__DBusMemory.html#g0fff22bd7f055f5581a9898116a744b1">00440</a> <a class="code" href="group__DBusMemory.html#g0fff22bd7f055f5581a9898116a744b1">dbus_malloc</a> (size_t bytes)
<a name="l00441"></a>00441 {
<a name="l00442"></a>00442 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00443"></a>00443 <span class="preprocessor"></span> _dbus_initialize_malloc_debug ();
<a name="l00444"></a>00444
<a name="l00445"></a>00445 <span class="keywordflow">if</span> (_dbus_decrement_fail_alloc_counter ())
<a name="l00446"></a>00446 {
<a name="l00447"></a>00447 _dbus_verbose (<span class="stringliteral">" FAILING malloc of %ld bytes\n"</span>, (<span class="keywordtype">long</span>) bytes);
<a name="l00448"></a>00448 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00449"></a>00449 }
<a name="l00450"></a>00450 <span class="preprocessor">#endif</span>
<a name="l00451"></a>00451 <span class="preprocessor"></span>
<a name="l00452"></a>00452 <span class="keywordflow">if</span> (bytes == 0) <span class="comment">/* some system mallocs handle this, some don't */</span>
<a name="l00453"></a>00453 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00454"></a>00454 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00455"></a>00455 <span class="preprocessor"></span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fail_size != 0 && bytes > fail_size)
<a name="l00456"></a>00456 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00457"></a>00457 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (guards)
<a name="l00458"></a>00458 {
<a name="l00459"></a>00459 <span class="keywordtype">void</span> *block;
<a name="l00460"></a>00460
<a name="l00461"></a>00461 block = malloc (bytes + GUARD_EXTRA_SIZE);
<a name="l00462"></a>00462 <span class="keywordflow">if</span> (block)
<a name="l00463"></a>00463 <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (&n_blocks_outstanding);
<a name="l00464"></a>00464
<a name="l00465"></a>00465 <span class="keywordflow">return</span> set_guards (block, bytes, SOURCE_MALLOC);
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467 <span class="preprocessor">#endif</span>
<a name="l00468"></a>00468 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00469"></a>00469 {
<a name="l00470"></a>00470 <span class="keywordtype">void</span> *mem;
<a name="l00471"></a>00471 mem = malloc (bytes);
<a name="l00472"></a>00472 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00473"></a>00473 <span class="preprocessor"></span> <span class="keywordflow">if</span> (mem)
<a name="l00474"></a>00474 <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (&n_blocks_outstanding);
<a name="l00475"></a>00475 <span class="preprocessor">#endif</span>
<a name="l00476"></a>00476 <span class="preprocessor"></span> <span class="keywordflow">return</span> mem;
<a name="l00477"></a>00477 }
<a name="l00478"></a>00478 }
<a name="l00479"></a>00479
<a name="l00492"></a>00492 <span class="keywordtype">void</span>*
<a name="l00493"></a><a class="code" href="group__DBusMemory.html#g36292df79461a45f8d1e27d05daf704f">00493</a> <a class="code" href="group__DBusMemory.html#g36292df79461a45f8d1e27d05daf704f">dbus_malloc0</a> (size_t bytes)
<a name="l00494"></a>00494 {
<a name="l00495"></a>00495 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00496"></a>00496 <span class="preprocessor"></span> _dbus_initialize_malloc_debug ();
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (_dbus_decrement_fail_alloc_counter ())
<a name="l00499"></a>00499 {
<a name="l00500"></a>00500 _dbus_verbose (<span class="stringliteral">" FAILING malloc0 of %ld bytes\n"</span>, (<span class="keywordtype">long</span>) bytes);
<a name="l00501"></a>00501
<a name="l00502"></a>00502 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504 <span class="preprocessor">#endif</span>
<a name="l00505"></a>00505 <span class="preprocessor"></span>
<a name="l00506"></a>00506 <span class="keywordflow">if</span> (bytes == 0)
<a name="l00507"></a>00507 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00508"></a>00508 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00509"></a>00509 <span class="preprocessor"></span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fail_size != 0 && bytes > fail_size)
<a name="l00510"></a>00510 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00511"></a>00511 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (guards)
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 <span class="keywordtype">void</span> *block;
<a name="l00514"></a>00514
<a name="l00515"></a>00515 block = calloc (bytes + GUARD_EXTRA_SIZE, 1);
<a name="l00516"></a>00516 <span class="keywordflow">if</span> (block)
<a name="l00517"></a>00517 <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (&n_blocks_outstanding);
<a name="l00518"></a>00518 <span class="keywordflow">return</span> set_guards (block, bytes, SOURCE_MALLOC_ZERO);
<a name="l00519"></a>00519 }
<a name="l00520"></a>00520 <span class="preprocessor">#endif</span>
<a name="l00521"></a>00521 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00522"></a>00522 {
<a name="l00523"></a>00523 <span class="keywordtype">void</span> *mem;
<a name="l00524"></a>00524 mem = calloc (bytes, 1);
<a name="l00525"></a>00525 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00526"></a>00526 <span class="preprocessor"></span> <span class="keywordflow">if</span> (mem)
<a name="l00527"></a>00527 <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (&n_blocks_outstanding);
<a name="l00528"></a>00528 <span class="preprocessor">#endif</span>
<a name="l00529"></a>00529 <span class="preprocessor"></span> <span class="keywordflow">return</span> mem;
<a name="l00530"></a>00530 }
<a name="l00531"></a>00531 }
<a name="l00532"></a>00532
<a name="l00543"></a>00543 <span class="keywordtype">void</span>*
<a name="l00544"></a><a class="code" href="group__DBusMemory.html#g621d9ba15ea8ae44501b0fbf756cbeac">00544</a> <a class="code" href="group__DBusMemory.html#g621d9ba15ea8ae44501b0fbf756cbeac">dbus_realloc</a> (<span class="keywordtype">void</span> *memory,
<a name="l00545"></a>00545 size_t bytes)
<a name="l00546"></a>00546 {
<a name="l00547"></a>00547 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00548"></a>00548 <span class="preprocessor"></span> _dbus_initialize_malloc_debug ();
<a name="l00549"></a>00549
<a name="l00550"></a>00550 <span class="keywordflow">if</span> (_dbus_decrement_fail_alloc_counter ())
<a name="l00551"></a>00551 {
<a name="l00552"></a>00552 _dbus_verbose (<span class="stringliteral">" FAILING realloc of %ld bytes\n"</span>, (<span class="keywordtype">long</span>) bytes);
<a name="l00553"></a>00553
<a name="l00554"></a>00554 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00555"></a>00555 }
<a name="l00556"></a>00556 <span class="preprocessor">#endif</span>
<a name="l00557"></a>00557 <span class="preprocessor"></span>
<a name="l00558"></a>00558 <span class="keywordflow">if</span> (bytes == 0) <span class="comment">/* guarantee this is safe */</span>
<a name="l00559"></a>00559 {
<a name="l00560"></a>00560 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (memory);
<a name="l00561"></a>00561 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00564"></a>00564 <span class="preprocessor"></span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fail_size != 0 && bytes > fail_size)
<a name="l00565"></a>00565 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00566"></a>00566 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (guards)
<a name="l00567"></a>00567 {
<a name="l00568"></a>00568 <span class="keywordflow">if</span> (memory)
<a name="l00569"></a>00569 {
<a name="l00570"></a>00570 size_t old_bytes;
<a name="l00571"></a>00571 <span class="keywordtype">void</span> *block;
<a name="l00572"></a>00572
<a name="l00573"></a>00573 check_guards (memory, <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>);
<a name="l00574"></a>00574
<a name="l00575"></a>00575 block = realloc (((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)memory) - GUARD_START_OFFSET,
<a name="l00576"></a>00576 bytes + GUARD_EXTRA_SIZE);
<a name="l00577"></a>00577
<a name="l00578"></a>00578 old_bytes = *(<a class="code" href="group__DBusTypes.html#gf513803b030613a669cc7ef199f90a8b">dbus_uint32_t</a>*)block;
<a name="l00579"></a>00579 <span class="keywordflow">if</span> (block && bytes >= old_bytes)
<a name="l00580"></a>00580 <span class="comment">/* old guards shouldn't have moved */</span>
<a name="l00581"></a>00581 check_guards (((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)block) + GUARD_START_OFFSET, <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>);
<a name="l00582"></a>00582
<a name="l00583"></a>00583 <span class="keywordflow">return</span> set_guards (block, bytes, SOURCE_REALLOC);
<a name="l00584"></a>00584 }
<a name="l00585"></a>00585 <span class="keywordflow">else</span>
<a name="l00586"></a>00586 {
<a name="l00587"></a>00587 <span class="keywordtype">void</span> *block;
<a name="l00588"></a>00588
<a name="l00589"></a>00589 block = malloc (bytes + GUARD_EXTRA_SIZE);
<a name="l00590"></a>00590
<a name="l00591"></a>00591 <span class="keywordflow">if</span> (block)
<a name="l00592"></a>00592 <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (&n_blocks_outstanding);
<a name="l00593"></a>00593
<a name="l00594"></a>00594 <span class="keywordflow">return</span> set_guards (block, bytes, SOURCE_REALLOC_NULL);
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 }
<a name="l00597"></a>00597 <span class="preprocessor">#endif</span>
<a name="l00598"></a>00598 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00599"></a>00599 {
<a name="l00600"></a>00600 <span class="keywordtype">void</span> *mem;
<a name="l00601"></a>00601 mem = realloc (memory, bytes);
<a name="l00602"></a>00602 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00603"></a>00603 <span class="preprocessor"></span> <span class="keywordflow">if</span> (memory == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && mem != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00604"></a>00604 <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (&n_blocks_outstanding);
<a name="l00605"></a>00605 <span class="preprocessor">#endif</span>
<a name="l00606"></a>00606 <span class="preprocessor"></span> <span class="keywordflow">return</span> mem;
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608 }
<a name="l00609"></a>00609
<a name="l00616"></a>00616 <span class="keywordtype">void</span>
<a name="l00617"></a><a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">00617</a> <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (<span class="keywordtype">void</span> *memory)
<a name="l00618"></a>00618 {
<a name="l00619"></a>00619 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00620"></a>00620 <span class="preprocessor"></span> <span class="keywordflow">if</span> (guards)
<a name="l00621"></a>00621 {
<a name="l00622"></a>00622 check_guards (memory, <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>);
<a name="l00623"></a>00623 <span class="keywordflow">if</span> (memory)
<a name="l00624"></a>00624 {
<a name="l00625"></a>00625 <a class="code" href="group__DBusSysdeps.html#g3c50a069f795dceeb9172fe2b517bbdc">_dbus_atomic_dec</a> (&n_blocks_outstanding);
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (n_blocks_outstanding.value >= 0);
<a name="l00628"></a>00628
<a name="l00629"></a>00629 free (((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)memory) - GUARD_START_OFFSET);
<a name="l00630"></a>00630 }
<a name="l00631"></a>00631
<a name="l00632"></a>00632 <span class="keywordflow">return</span>;
<a name="l00633"></a>00633 }
<a name="l00634"></a>00634 <span class="preprocessor">#endif</span>
<a name="l00635"></a>00635 <span class="preprocessor"></span>
<a name="l00636"></a>00636 <span class="keywordflow">if</span> (memory) <span class="comment">/* we guarantee it's safe to free (NULL) */</span>
<a name="l00637"></a>00637 {
<a name="l00638"></a>00638 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00639"></a>00639 <span class="preprocessor"></span> <a class="code" href="group__DBusSysdeps.html#g3c50a069f795dceeb9172fe2b517bbdc">_dbus_atomic_dec</a> (&n_blocks_outstanding);
<a name="l00640"></a>00640
<a name="l00641"></a>00641 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (n_blocks_outstanding.value >= 0);
<a name="l00642"></a>00642 <span class="preprocessor">#endif</span>
<a name="l00643"></a>00643 <span class="preprocessor"></span>
<a name="l00644"></a>00644 free (memory);
<a name="l00645"></a>00645 }
<a name="l00646"></a>00646 }
<a name="l00647"></a>00647
<a name="l00654"></a>00654 <span class="keywordtype">void</span>
<a name="l00655"></a><a class="code" href="group__DBusMemory.html#g6d4674de64d806d238ffd309a486754e">00655</a> <a class="code" href="group__DBusMemory.html#g6d4674de64d806d238ffd309a486754e">dbus_free_string_array</a> (<span class="keywordtype">char</span> **str_array)
<a name="l00656"></a>00656 {
<a name="l00657"></a>00657 <span class="keywordflow">if</span> (str_array)
<a name="l00658"></a>00658 {
<a name="l00659"></a>00659 <span class="keywordtype">int</span> i;
<a name="l00660"></a>00660
<a name="l00661"></a>00661 i = 0;
<a name="l00662"></a>00662 <span class="keywordflow">while</span> (str_array[i])
<a name="l00663"></a>00663 {
<a name="l00664"></a>00664 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (str_array[i]);
<a name="l00665"></a>00665 i++;
<a name="l00666"></a>00666 }
<a name="l00667"></a>00667
<a name="l00668"></a>00668 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (str_array);
<a name="l00669"></a>00669 }
<a name="l00670"></a>00670 }
<a name="l00671"></a>00671 <span class="comment">/* End of public API docs block */</span>
<a name="l00673"></a>00673
<a name="l00674"></a>00674
<a name="l00687"></a><a class="code" href="group__DBusMemoryInternals.html#g7c224d82013e2bdc181c1d85dcb6f295">00687</a> <span class="keywordtype">int</span> <a class="code" href="group__DBusMemoryInternals.html#g7c224d82013e2bdc181c1d85dcb6f295">_dbus_current_generation</a> = 1;
<a name="l00688"></a>00688
<a name="l00692"></a><a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">00692</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structShutdownClosure.html">ShutdownClosure</a> <a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a>;
<a name="l00693"></a>00693
<a name="l00697"></a><a class="code" href="structShutdownClosure.html">00697</a> <span class="keyword">struct </span><a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a>
<a name="l00698"></a>00698 {
<a name="l00699"></a><a class="code" href="structShutdownClosure.html#2152ea3eed35addda2f33eee5fbcdd26">00699</a> <a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a> *<a class="code" href="structShutdownClosure.html#2152ea3eed35addda2f33eee5fbcdd26">next</a>;
<a name="l00700"></a><a class="code" href="structShutdownClosure.html#8d8d4ad2e646f8643a8044de02cf823f">00700</a> DBusShutdownFunction <a class="code" href="structShutdownClosure.html#8d8d4ad2e646f8643a8044de02cf823f">func</a>;
<a name="l00701"></a><a class="code" href="structShutdownClosure.html#b6f70dacffc0aa2376a6c26e1fb17518">00701</a> <span class="keywordtype">void</span> *<a class="code" href="structShutdownClosure.html#b6f70dacffc0aa2376a6c26e1fb17518">data</a>;
<a name="l00702"></a>00702 };
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <a class="code" href="group__DBusInternalsUtils.html#gc8d22e9846ecc2845959082076de899b">_DBUS_DEFINE_GLOBAL_LOCK</a> (shutdown_funcs);
<a name="l00705"></a>00705 <span class="keyword">static</span> <a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a> *registered_globals = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00706"></a>00706
<a name="l00715"></a>00715 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00716"></a><a class="code" href="group__DBusMemoryInternals.html#g8dc6d5dd0a0e7901ab793da7403ee734">00716</a> <a class="code" href="group__DBusMemoryInternals.html#g8dc6d5dd0a0e7901ab793da7403ee734">_dbus_register_shutdown_func</a> (DBusShutdownFunction func,
<a name="l00717"></a>00717 <span class="keywordtype">void</span> *data)
<a name="l00718"></a>00718 {
<a name="l00719"></a>00719 <a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a> *c;
<a name="l00720"></a>00720
<a name="l00721"></a>00721 c = <a class="code" href="group__DBusMemory.html#g54ccb556e7964112a825a7f46c156ca0">dbus_new</a> (<a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a>, 1);
<a name="l00722"></a>00722
<a name="l00723"></a>00723 <span class="keywordflow">if</span> (c == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00724"></a>00724 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00725"></a>00725
<a name="l00726"></a>00726 c-><a class="code" href="structShutdownClosure.html#8d8d4ad2e646f8643a8044de02cf823f">func</a> = func;
<a name="l00727"></a>00727 c-><a class="code" href="structShutdownClosure.html#b6f70dacffc0aa2376a6c26e1fb17518">data</a> = data;
<a name="l00728"></a>00728
<a name="l00729"></a>00729 <a class="code" href="group__DBusInternalsUtils.html#g3b56fdb9df58277ee69d9f56a73bf383">_DBUS_LOCK</a> (shutdown_funcs);
<a name="l00730"></a>00730
<a name="l00731"></a>00731 c-><a class="code" href="structShutdownClosure.html#2152ea3eed35addda2f33eee5fbcdd26">next</a> = registered_globals;
<a name="l00732"></a>00732 registered_globals = c;
<a name="l00733"></a>00733
<a name="l00734"></a>00734 <a class="code" href="group__DBusInternalsUtils.html#g1b7db80a2ea11235768ec8aa698df0a5">_DBUS_UNLOCK</a> (shutdown_funcs);
<a name="l00735"></a>00735
<a name="l00736"></a>00736 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00737"></a>00737 }
<a name="l00738"></a>00738 <span class="comment">/* End of private API docs block */</span>
<a name="l00740"></a>00740
<a name="l00741"></a>00741
<a name="l00785"></a>00785 <span class="keywordtype">void</span>
<a name="l00786"></a><a class="code" href="group__DBusMemory.html#g8b177950791eebaefc7dc1e836c0964c">00786</a> <a class="code" href="group__DBusMemory.html#g8b177950791eebaefc7dc1e836c0964c">dbus_shutdown</a> (<span class="keywordtype">void</span>)
<a name="l00787"></a>00787 {
<a name="l00788"></a>00788 <span class="keywordflow">while</span> (registered_globals != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00789"></a>00789 {
<a name="l00790"></a>00790 <a class="code" href="group__DBusMemoryInternals.html#g719c469fe616ee7148e826e6ebf3c3e4">ShutdownClosure</a> *c;
<a name="l00791"></a>00791
<a name="l00792"></a>00792 c = registered_globals;
<a name="l00793"></a>00793 registered_globals = c-><a class="code" href="structShutdownClosure.html#2152ea3eed35addda2f33eee5fbcdd26">next</a>;
<a name="l00794"></a>00794
<a name="l00795"></a>00795 (* c-><a class="code" href="structShutdownClosure.html#8d8d4ad2e646f8643a8044de02cf823f">func</a>) (c-><a class="code" href="structShutdownClosure.html#b6f70dacffc0aa2376a6c26e1fb17518">data</a>);
<a name="l00796"></a>00796
<a name="l00797"></a>00797 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (c);
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799
<a name="l00800"></a>00800 _dbus_current_generation += 1;
<a name="l00801"></a>00801 }
<a name="l00802"></a>00802
<a name="l00805"></a>00805 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00806"></a>00806 <span class="preprocessor"></span><span class="preprocessor">#include "dbus-test.h"</span>
<a name="l00807"></a>00807
<a name="l00813"></a>00813 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00814"></a>00814 _dbus_memory_test (<span class="keywordtype">void</span>)
<a name="l00815"></a>00815 {
<a name="l00816"></a>00816 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> old_guards;
<a name="l00817"></a>00817 <span class="keywordtype">void</span> *p;
<a name="l00818"></a>00818 size_t size;
<a name="l00819"></a>00819
<a name="l00820"></a>00820 old_guards = guards;
<a name="l00821"></a>00821 guards = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00822"></a>00822 p = <a class="code" href="group__DBusMemory.html#g0fff22bd7f055f5581a9898116a744b1">dbus_malloc</a> (4);
<a name="l00823"></a>00823 <span class="keywordflow">if</span> (p == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00824"></a>00824 <a class="code" href="group__DBusInternalsUtils.html#g0c4961ec784874f1b1f3aeccea8d3da1">_dbus_assert_not_reached</a> (<span class="stringliteral">"no memory"</span>);
<a name="l00825"></a>00825 <span class="keywordflow">for</span> (size = 4; size < 256; size += 4)
<a name="l00826"></a>00826 {
<a name="l00827"></a>00827 p = <a class="code" href="group__DBusMemory.html#g621d9ba15ea8ae44501b0fbf756cbeac">dbus_realloc</a> (p, size);
<a name="l00828"></a>00828 <span class="keywordflow">if</span> (p == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00829"></a>00829 <a class="code" href="group__DBusInternalsUtils.html#g0c4961ec784874f1b1f3aeccea8d3da1">_dbus_assert_not_reached</a> (<span class="stringliteral">"no memory"</span>);
<a name="l00830"></a>00830 }
<a name="l00831"></a>00831 <span class="keywordflow">for</span> (size = 256; size != 0; size -= 4)
<a name="l00832"></a>00832 {
<a name="l00833"></a>00833 p = <a class="code" href="group__DBusMemory.html#g621d9ba15ea8ae44501b0fbf756cbeac">dbus_realloc</a> (p, size);
<a name="l00834"></a>00834 <span class="keywordflow">if</span> (p == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00835"></a>00835 <a class="code" href="group__DBusInternalsUtils.html#g0c4961ec784874f1b1f3aeccea8d3da1">_dbus_assert_not_reached</a> (<span class="stringliteral">"no memory"</span>);
<a name="l00836"></a>00836 }
<a name="l00837"></a>00837 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (p);
<a name="l00838"></a>00838 guards = old_guards;
<a name="l00839"></a>00839 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00840"></a>00840 }
<a name="l00841"></a>00841
<a name="l00842"></a>00842 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Dec 14 22:26:11 2009 for D-Bus by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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