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<h1>dbus-mempool.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-mempool.h Memory pools</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-mempool.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00026"></a>00026
<a name="l00052"></a><a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">00052</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structDBusFreedElement.html">DBusFreedElement</a> <a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a>;
<a name="l00053"></a>00053
<a name="l00059"></a><a class="code" href="structDBusFreedElement.html">00059</a> <span class="keyword">struct </span><a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a>
<a name="l00060"></a>00060 {
<a name="l00061"></a><a class="code" href="structDBusFreedElement.html#c4819bebce960943155f9fbd4ab6e6c5">00061</a> <a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a> *<a class="code" href="structDBusFreedElement.html#c4819bebce960943155f9fbd4ab6e6c5">next</a>;
<a name="l00062"></a>00062 };
<a name="l00063"></a>00063
<a name="l00068"></a><a class="code" href="group__DBusMemPoolInternals.html#g412163ea9cb4effae42afc1147d8b9b8">00068</a> <span class="preprocessor">#define ELEMENT_PADDING 4</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00074"></a><a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">00074</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structDBusMemBlock.html">DBusMemBlock</a> <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a>;
<a name="l00075"></a>00075
<a name="l00080"></a><a class="code" href="structDBusMemBlock.html">00080</a> <span class="keyword">struct </span><a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a>
<a name="l00081"></a>00081 {
<a name="l00082"></a><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">00082</a> <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *<a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a>;
<a name="l00087"></a>00087 <span class="comment">/* this is a long so that "elements" is aligned */</span>
<a name="l00088"></a><a class="code" href="structDBusMemBlock.html#d23a73654095952ea4e2c222c41e5441">00088</a> <span class="keywordtype">long</span> <a class="code" href="structDBusMemBlock.html#d23a73654095952ea4e2c222c41e5441">used_so_far</a>;
<a name="l00090"></a><a class="code" href="structDBusMemBlock.html#f685833ddb17150a20cbe538f23f3113">00090</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="structDBusMemBlock.html#f685833ddb17150a20cbe538f23f3113">elements</a>[<a class="code" href="group__DBusMemPoolInternals.html#g412163ea9cb4effae42afc1147d8b9b8">ELEMENT_PADDING</a>];
<a name="l00091"></a>00091 };
<a name="l00092"></a>00092
<a name="l00096"></a><a class="code" href="structDBusMemPool.html">00096</a> <span class="keyword">struct </span><a class="code" href="structDBusMemPool.html">DBusMemPool</a>
<a name="l00097"></a>00097 {
<a name="l00098"></a><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">00098</a> <span class="keywordtype">int</span> <a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a>;
<a name="l00099"></a><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">00099</a> <span class="keywordtype">int</span> <a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a>;
<a name="l00100"></a><a class="code" href="structDBusMemPool.html#2ebffd5d3e0eb209b1d0fa5779609818">00100</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structDBusMemPool.html#2ebffd5d3e0eb209b1d0fa5779609818">zero_elements</a> : 1;
<a name="l00102"></a><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">00102</a> <a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a> *<a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a>;
<a name="l00103"></a><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">00103</a> <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *<a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>;
<a name="l00104"></a><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">00104</a> <span class="keywordtype">int</span> <a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a>;
<a name="l00105"></a>00105 };
<a name="l00106"></a>00106
<a name="l00135"></a>00135 <a class="code" href="structDBusMemPool.html">DBusMemPool</a>*
<a name="l00136"></a><a class="code" href="group__DBusMemPool.html#gf1bae02bc5fcb879f77ff2c13ca03ac8">00136</a> <a class="code" href="group__DBusMemPool.html#gf1bae02bc5fcb879f77ff2c13ca03ac8">_dbus_mem_pool_new</a> (<span class="keywordtype">int</span> element_size,
<a name="l00137"></a>00137 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> zero_elements)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <a class="code" href="structDBusMemPool.html">DBusMemPool</a> *pool;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 pool = <a class="code" href="group__DBusMemory.html#gba9d823abda7f4cadbaf5177d3b8b793">dbus_new0</a> (<a class="code" href="structDBusMemPool.html">DBusMemPool</a>, 1);
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (pool == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00143"></a>00143 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="comment">/* Make the element size at least 8 bytes. */</span>
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (element_size < 8)
<a name="l00147"></a>00147 element_size = 8;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="comment">/* these assertions are equivalent but the first is more clear</span>
<a name="l00150"></a>00150 <span class="comment"> * to programmers that see it fail.</span>
<a name="l00151"></a>00151 <span class="comment"> */</span>
<a name="l00152"></a>00152 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (element_size >= (<span class="keywordtype">int</span>) <span class="keyword">sizeof</span> (<span class="keywordtype">void</span>*));
<a name="l00153"></a>00153 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (element_size >= (<span class="keywordtype">int</span>) <span class="keyword">sizeof</span> (<a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a>));
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="comment">/* align the element size to a pointer boundary so we won't get bus</span>
<a name="l00156"></a>00156 <span class="comment"> * errors under other architectures. </span>
<a name="l00157"></a>00157 <span class="comment"> */</span>
<a name="l00158"></a>00158 pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a> = _DBUS_ALIGN_VALUE (element_size, <span class="keyword">sizeof</span> (<span class="keywordtype">void</span> *));
<a name="l00159"></a>00159
<a name="l00160"></a>00160 pool-><a class="code" href="structDBusMemPool.html#2ebffd5d3e0eb209b1d0fa5779609818">zero_elements</a> = zero_elements != <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00161"></a>00161
<a name="l00162"></a>00162 pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> = 0;
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="comment">/* pick a size for the first block; it increases</span>
<a name="l00165"></a>00165 <span class="comment"> * for each block we need to allocate. This is</span>
<a name="l00166"></a>00166 <span class="comment"> * actually half the initial block size</span>
<a name="l00167"></a>00167 <span class="comment"> * since _dbus_mem_pool_alloc() unconditionally</span>
<a name="l00168"></a>00168 <span class="comment"> * doubles it prior to creating a new block. */</span>
<a name="l00169"></a>00169 pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a> = pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a> * 8;
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> ((pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a> %
<a name="l00172"></a>00172 pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a>) == 0);
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keywordflow">return</span> pool;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00182"></a>00182 <span class="keywordtype">void</span>
<a name="l00183"></a><a class="code" href="group__DBusMemPool.html#g58e4f3def46410d5bb138a2b8f366b1a">00183</a> <a class="code" href="group__DBusMemPool.html#g58e4f3def46410d5bb138a2b8f366b1a">_dbus_mem_pool_free</a> (<a class="code" href="structDBusMemPool.html">DBusMemPool</a> *pool)
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *block;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 block = pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>;
<a name="l00188"></a>00188 <span class="keywordflow">while</span> (block != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *next = block-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a>;
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (block);
<a name="l00193"></a>00193
<a name="l00194"></a>00194 block = next;
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (pool);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00207"></a>00207 <span class="keywordtype">void</span>*
<a name="l00208"></a><a class="code" href="group__DBusMemPool.html#g0946d54f767b4f55238f5a39c8543df1">00208</a> <a class="code" href="group__DBusMemPool.html#g0946d54f767b4f55238f5a39c8543df1">_dbus_mem_pool_alloc</a> (<a class="code" href="structDBusMemPool.html">DBusMemPool</a> *pool)
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span> <span class="keywordflow">if</span> (_dbus_disable_mem_pools ())
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *block;
<a name="l00214"></a>00214 <span class="keywordtype">int</span> alloc_size;
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="comment">/* This is obviously really silly, but it's</span>
<a name="l00217"></a>00217 <span class="comment"> * debug-mode-only code that is compiled out</span>
<a name="l00218"></a>00218 <span class="comment"> * when tests are disabled (_dbus_disable_mem_pools()</span>
<a name="l00219"></a>00219 <span class="comment"> * is a constant expression FALSE so this block</span>
<a name="l00220"></a>00220 <span class="comment"> * should vanish)</span>
<a name="l00221"></a>00221 <span class="comment"> */</span>
<a name="l00222"></a>00222
<a name="l00223"></a>00223 alloc_size = <span class="keyword">sizeof</span> (<a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a>) - <a class="code" href="group__DBusMemPoolInternals.html#g412163ea9cb4effae42afc1147d8b9b8">ELEMENT_PADDING</a> +
<a name="l00224"></a>00224 pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a>;
<a name="l00225"></a>00225
<a name="l00226"></a>00226 if (pool-><a class="code" href="structDBusMemPool.html#2ebffd5d3e0eb209b1d0fa5779609818">zero_elements</a>)
<a name="l00227"></a>00227 block = <a class="code" href="group__DBusMemory.html#g36292df79461a45f8d1e27d05daf704f">dbus_malloc0</a> (alloc_size);
<a name="l00228"></a>00228 <span class="keywordflow">else</span>
<a name="l00229"></a>00229 block = <a class="code" href="group__DBusMemory.html#g0fff22bd7f055f5581a9898116a744b1">dbus_malloc</a> (alloc_size);
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (block != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 block-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a> = pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>;
<a name="l00234"></a>00234 pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a> = block;
<a name="l00235"></a>00235 pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> += 1;
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*) &block-><a class="code" href="structDBusMemBlock.html#f685833ddb17150a20cbe538f23f3113">elements</a>[0];
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 <span class="keywordflow">else</span>
<a name="l00240"></a>00240 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242 <span class="keywordflow">else</span>
<a name="l00243"></a>00243 <span class="preprocessor">#endif</span>
<a name="l00244"></a>00244 <span class="preprocessor"></span> {
<a name="l00245"></a>00245 <span class="keywordflow">if</span> (_dbus_decrement_fail_alloc_counter ())
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 _dbus_verbose (<span class="stringliteral">" FAILING mempool alloc\n"</span>);
<a name="l00248"></a>00248 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pool-><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a>)
<a name="l00251"></a>00251 {
<a name="l00252"></a>00252 <a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a> *element = pool-><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a>;
<a name="l00253"></a>00253
<a name="l00254"></a>00254 pool-><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a> = pool-><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a>-><a class="code" href="structDBusFreedElement.html#c4819bebce960943155f9fbd4ab6e6c5">next</a>;
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (pool-><a class="code" href="structDBusMemPool.html#2ebffd5d3e0eb209b1d0fa5779609818">zero_elements</a>)
<a name="l00257"></a>00257 memset (element, <span class="charliteral">'\0'</span>, pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a>);
<a name="l00258"></a>00258
<a name="l00259"></a>00259 pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> += 1;
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="keywordflow">return</span> element;
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263 <span class="keywordflow">else</span>
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 <span class="keywordtype">void</span> *element;
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="keywordflow">if</span> (pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> ||
<a name="l00268"></a>00268 pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>-><a class="code" href="structDBusMemBlock.html#d23a73654095952ea4e2c222c41e5441">used_so_far</a> == pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a>)
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 <span class="comment">/* Need a new block */</span>
<a name="l00271"></a>00271 <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *block;
<a name="l00272"></a>00272 <span class="keywordtype">int</span> alloc_size;
<a name="l00273"></a>00273 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00274"></a>00274 <span class="preprocessor"></span> <span class="keywordtype">int</span> saved_counter;
<a name="l00275"></a>00275 <span class="preprocessor">#endif</span>
<a name="l00276"></a>00276 <span class="preprocessor"></span>
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a> <= <a class="code" href="group__DBusInternalsUtils.html#g5627db5e165848477e620846f6414db1">_DBUS_INT_MAX</a> / 4) <span class="comment">/* avoid overflow */</span>
<a name="l00278"></a>00278 {
<a name="l00279"></a>00279 <span class="comment">/* use a larger block size for our next block */</span>
<a name="l00280"></a>00280 pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a> *= 2;
<a name="l00281"></a>00281 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> ((pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a> %
<a name="l00282"></a>00282 pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a>) == 0);
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 alloc_size = <span class="keyword">sizeof</span> (<a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a>) - <a class="code" href="group__DBusMemPoolInternals.html#g412163ea9cb4effae42afc1147d8b9b8">ELEMENT_PADDING</a> + pool-><a class="code" href="structDBusMemPool.html#45cdcee97621d5a2bd85edd90d87d8bf">block_size</a>;
<a name="l00286"></a>00286
<a name="l00287"></a>00287 #ifdef DBUS_BUILD_TESTS
<a name="l00288"></a>00288 <span class="comment">/* We save/restore the counter, so that memory pools won't</span>
<a name="l00289"></a>00289 <span class="comment"> * cause a given function to have different number of</span>
<a name="l00290"></a>00290 <span class="comment"> * allocations on different invocations. i.e. when testing</span>
<a name="l00291"></a>00291 <span class="comment"> * we want consistent alloc patterns. So we skip our</span>
<a name="l00292"></a>00292 <span class="comment"> * malloc here for purposes of failed alloc simulation.</span>
<a name="l00293"></a>00293 <span class="comment"> */</span>
<a name="l00294"></a>00294 saved_counter = _dbus_get_fail_alloc_counter ();
<a name="l00295"></a>00295 _dbus_set_fail_alloc_counter (<a class="code" href="group__DBusInternalsUtils.html#g5627db5e165848477e620846f6414db1">_DBUS_INT_MAX</a>);
<a name="l00296"></a>00296 <span class="preprocessor">#endif</span>
<a name="l00297"></a>00297 <span class="preprocessor"></span>
<a name="l00298"></a>00298 <span class="keywordflow">if</span> (pool-><a class="code" href="structDBusMemPool.html#2ebffd5d3e0eb209b1d0fa5779609818">zero_elements</a>)
<a name="l00299"></a>00299 block = <a class="code" href="group__DBusMemory.html#g36292df79461a45f8d1e27d05daf704f">dbus_malloc0</a> (alloc_size);
<a name="l00300"></a>00300 <span class="keywordflow">else</span>
<a name="l00301"></a>00301 block = <a class="code" href="group__DBusMemory.html#g0fff22bd7f055f5581a9898116a744b1">dbus_malloc</a> (alloc_size);
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00304"></a>00304 <span class="preprocessor"></span> _dbus_set_fail_alloc_counter (saved_counter);
<a name="l00305"></a>00305 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (saved_counter == _dbus_get_fail_alloc_counter ());
<a name="l00306"></a>00306 <span class="preprocessor">#endif</span>
<a name="l00307"></a>00307 <span class="preprocessor"></span>
<a name="l00308"></a>00308 <span class="keywordflow">if</span> (block == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00309"></a>00309 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00310"></a>00310
<a name="l00311"></a>00311 block-><a class="code" href="structDBusMemBlock.html#d23a73654095952ea4e2c222c41e5441">used_so_far</a> = 0;
<a name="l00312"></a>00312 block-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a> = pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>;
<a name="l00313"></a>00313 pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a> = block;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315
<a name="l00316"></a>00316 element = &pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>-><a class="code" href="structDBusMemBlock.html#f685833ddb17150a20cbe538f23f3113">elements</a>[pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>-><a class="code" href="structDBusMemBlock.html#d23a73654095952ea4e2c222c41e5441">used_so_far</a>];
<a name="l00317"></a>00317
<a name="l00318"></a>00318 pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>-><a class="code" href="structDBusMemBlock.html#d23a73654095952ea4e2c222c41e5441">used_so_far</a> += pool-><a class="code" href="structDBusMemPool.html#690c2330fce2db5cfdbe6b810d70c92f">element_size</a>;
<a name="l00319"></a>00319
<a name="l00320"></a>00320 pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> += 1;
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="keywordflow">return</span> element;
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00335"></a>00335 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00336"></a><a class="code" href="group__DBusMemPool.html#g4e2feaefee7384ed940059e6c7b0a9d5">00336</a> <a class="code" href="group__DBusMemPool.html#g4e2feaefee7384ed940059e6c7b0a9d5">_dbus_mem_pool_dealloc</a> (<a class="code" href="structDBusMemPool.html">DBusMemPool</a> *pool,
<a name="l00337"></a>00337 <span class="keywordtype">void</span> *element)
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00340"></a>00340 <span class="preprocessor"></span> <span class="keywordflow">if</span> (_dbus_disable_mem_pools ())
<a name="l00341"></a>00341 {
<a name="l00342"></a>00342 <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *block;
<a name="l00343"></a>00343 <a class="code" href="group__DBusMemPoolInternals.html#gdc586003d38772dd8336c4e103844a12">DBusMemBlock</a> *prev;
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="comment">/* mmm, fast. ;-) debug-only code, so doesn't matter. */</span>
<a name="l00346"></a>00346
<a name="l00347"></a>00347 prev = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00348"></a>00348 block = pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a>;
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <span class="keywordflow">while</span> (block != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00351"></a>00351 {
<a name="l00352"></a>00352 <span class="keywordflow">if</span> (block-><a class="code" href="structDBusMemBlock.html#f685833ddb17150a20cbe538f23f3113">elements</a> == (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*) element)
<a name="l00353"></a>00353 {
<a name="l00354"></a>00354 <span class="keywordflow">if</span> (prev)
<a name="l00355"></a>00355 prev-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a> = block-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a>;
<a name="l00356"></a>00356 <span class="keywordflow">else</span>
<a name="l00357"></a>00357 pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a> = block-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a>;
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (block);
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> > 0);
<a name="l00362"></a>00362 pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> -= 1;
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> == 0)
<a name="l00365"></a>00365 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">return</span> pool-><a class="code" href="structDBusMemPool.html#4682e065e26ee0dc4d2a17023cb41b8b">blocks</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369 prev = block;
<a name="l00370"></a>00370 block = block-><a class="code" href="structDBusMemBlock.html#88abbae4b7e92bfab8392c2aad2dae9b">next</a>;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <a class="code" href="group__DBusInternalsUtils.html#g0c4961ec784874f1b1f3aeccea8d3da1">_dbus_assert_not_reached</a> (<span class="stringliteral">"freed nonexistent block"</span>);
<a name="l00374"></a>00374 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376 <span class="keywordflow">else</span>
<a name="l00377"></a>00377 <span class="preprocessor">#endif</span>
<a name="l00378"></a>00378 <span class="preprocessor"></span> {
<a name="l00379"></a>00379 <a class="code" href="group__DBusMemPoolInternals.html#g4210a89e140e1cccaba27cfabd254eb1">DBusFreedElement</a> *freed;
<a name="l00380"></a>00380
<a name="l00381"></a>00381 freed = element;
<a name="l00382"></a>00382 freed-><a class="code" href="structDBusFreedElement.html#c4819bebce960943155f9fbd4ab6e6c5">next</a> = pool-><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a>;
<a name="l00383"></a>00383 pool-><a class="code" href="structDBusMemPool.html#f02ff4ac188a7a04a02ab140e568886b">free_elements</a> = freed;
<a name="l00384"></a>00384
<a name="l00385"></a>00385 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> > 0);
<a name="l00386"></a>00386 pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> -= 1;
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordflow">return</span> pool-><a class="code" href="structDBusMemPool.html#23cd8af3ecb8cd88074b1934b1d7597c">allocated_elements</a> == 0;
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00394"></a>00394 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l00395"></a>00395 <span class="preprocessor"></span><span class="preprocessor">#include "dbus-test.h"</span>
<a name="l00396"></a>00396 <span class="preprocessor">#include <stdio.h></span>
<a name="l00397"></a>00397 <span class="preprocessor">#include <time.h></span>
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00400"></a>00400 time_for_size (<span class="keywordtype">int</span> size)
<a name="l00401"></a>00401 {
<a name="l00402"></a>00402 <span class="keywordtype">int</span> i;
<a name="l00403"></a>00403 <span class="keywordtype">int</span> j;
<a name="l00404"></a>00404 clock_t start;
<a name="l00405"></a>00405 clock_t end;
<a name="l00406"></a>00406 <span class="preprocessor">#define FREE_ARRAY_SIZE 512</span>
<a name="l00407"></a>00407 <span class="preprocessor"></span><span class="preprocessor">#define N_ITERATIONS FREE_ARRAY_SIZE * 512</span>
<a name="l00408"></a>00408 <span class="preprocessor"></span> <span class="keywordtype">void</span> *to_free[FREE_ARRAY_SIZE];
<a name="l00409"></a>00409 <a class="code" href="structDBusMemPool.html">DBusMemPool</a> *pool;
<a name="l00410"></a>00410
<a name="l00411"></a>00411 _dbus_verbose (<span class="stringliteral">"Timings for size %d\n"</span>, size);
<a name="l00412"></a>00412
<a name="l00413"></a>00413 _dbus_verbose (<span class="stringliteral">" malloc\n"</span>);
<a name="l00414"></a>00414
<a name="l00415"></a>00415 start = clock ();
<a name="l00416"></a>00416
<a name="l00417"></a>00417 i = 0;
<a name="l00418"></a>00418 j = 0;
<a name="l00419"></a>00419 <span class="keywordflow">while</span> (i < N_ITERATIONS)
<a name="l00420"></a>00420 {
<a name="l00421"></a>00421 to_free[j] = <a class="code" href="group__DBusMemory.html#g0fff22bd7f055f5581a9898116a744b1">dbus_malloc</a> (size);
<a name="l00422"></a>00422 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (to_free[j] != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>); <span class="comment">/* in a real app of course this is wrong */</span>
<a name="l00423"></a>00423
<a name="l00424"></a>00424 ++j;
<a name="l00425"></a>00425
<a name="l00426"></a>00426 <span class="keywordflow">if</span> (j == FREE_ARRAY_SIZE)
<a name="l00427"></a>00427 {
<a name="l00428"></a>00428 j = 0;
<a name="l00429"></a>00429 <span class="keywordflow">while</span> (j < FREE_ARRAY_SIZE)
<a name="l00430"></a>00430 {
<a name="l00431"></a>00431 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (to_free[j]);
<a name="l00432"></a>00432 ++j;
<a name="l00433"></a>00433 }
<a name="l00434"></a>00434
<a name="l00435"></a>00435 j = 0;
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438 ++i;
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440
<a name="l00441"></a>00441 end = clock ();
<a name="l00442"></a>00442
<a name="l00443"></a>00443 _dbus_verbose (<span class="stringliteral">" created/destroyed %d elements in %g seconds\n"</span>,
<a name="l00444"></a>00444 N_ITERATIONS, (end - start) / (<span class="keywordtype">double</span>) CLOCKS_PER_SEC);
<a name="l00445"></a>00445
<a name="l00446"></a>00446
<a name="l00447"></a>00447
<a name="l00448"></a>00448 _dbus_verbose (<span class="stringliteral">" mempools\n"</span>);
<a name="l00449"></a>00449
<a name="l00450"></a>00450 start = clock ();
<a name="l00451"></a>00451
<a name="l00452"></a>00452 pool = <a class="code" href="group__DBusMemPool.html#gf1bae02bc5fcb879f77ff2c13ca03ac8">_dbus_mem_pool_new</a> (size, <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>);
<a name="l00453"></a>00453
<a name="l00454"></a>00454 i = 0;
<a name="l00455"></a>00455 j = 0;
<a name="l00456"></a>00456 <span class="keywordflow">while</span> (i < N_ITERATIONS)
<a name="l00457"></a>00457 {
<a name="l00458"></a>00458 to_free[j] = <a class="code" href="group__DBusMemPool.html#g0946d54f767b4f55238f5a39c8543df1">_dbus_mem_pool_alloc</a> (pool);
<a name="l00459"></a>00459 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (to_free[j] != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>); <span class="comment">/* in a real app of course this is wrong */</span>
<a name="l00460"></a>00460
<a name="l00461"></a>00461 ++j;
<a name="l00462"></a>00462
<a name="l00463"></a>00463 <span class="keywordflow">if</span> (j == FREE_ARRAY_SIZE)
<a name="l00464"></a>00464 {
<a name="l00465"></a>00465 j = 0;
<a name="l00466"></a>00466 <span class="keywordflow">while</span> (j < FREE_ARRAY_SIZE)
<a name="l00467"></a>00467 {
<a name="l00468"></a>00468 <a class="code" href="group__DBusMemPool.html#g4e2feaefee7384ed940059e6c7b0a9d5">_dbus_mem_pool_dealloc</a> (pool, to_free[j]);
<a name="l00469"></a>00469 ++j;
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471
<a name="l00472"></a>00472 j = 0;
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474
<a name="l00475"></a>00475 ++i;
<a name="l00476"></a>00476 }
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <a class="code" href="group__DBusMemPool.html#g58e4f3def46410d5bb138a2b8f366b1a">_dbus_mem_pool_free</a> (pool);
<a name="l00479"></a>00479
<a name="l00480"></a>00480 end = clock ();
<a name="l00481"></a>00481
<a name="l00482"></a>00482 _dbus_verbose (<span class="stringliteral">" created/destroyed %d elements in %g seconds\n"</span>,
<a name="l00483"></a>00483 N_ITERATIONS, (end - start) / (<span class="keywordtype">double</span>) CLOCKS_PER_SEC);
<a name="l00484"></a>00484
<a name="l00485"></a>00485 _dbus_verbose (<span class="stringliteral">" zeroed malloc\n"</span>);
<a name="l00486"></a>00486
<a name="l00487"></a>00487 start = clock ();
<a name="l00488"></a>00488
<a name="l00489"></a>00489 i = 0;
<a name="l00490"></a>00490 j = 0;
<a name="l00491"></a>00491 <span class="keywordflow">while</span> (i < N_ITERATIONS)
<a name="l00492"></a>00492 {
<a name="l00493"></a>00493 to_free[j] = <a class="code" href="group__DBusMemory.html#g36292df79461a45f8d1e27d05daf704f">dbus_malloc0</a> (size);
<a name="l00494"></a>00494 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (to_free[j] != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>); <span class="comment">/* in a real app of course this is wrong */</span>
<a name="l00495"></a>00495
<a name="l00496"></a>00496 ++j;
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (j == FREE_ARRAY_SIZE)
<a name="l00499"></a>00499 {
<a name="l00500"></a>00500 j = 0;
<a name="l00501"></a>00501 <span class="keywordflow">while</span> (j < FREE_ARRAY_SIZE)
<a name="l00502"></a>00502 {
<a name="l00503"></a>00503 <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (to_free[j]);
<a name="l00504"></a>00504 ++j;
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506
<a name="l00507"></a>00507 j = 0;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 ++i;
<a name="l00511"></a>00511 }
<a name="l00512"></a>00512
<a name="l00513"></a>00513 end = clock ();
<a name="l00514"></a>00514
<a name="l00515"></a>00515 _dbus_verbose (<span class="stringliteral">" created/destroyed %d elements in %g seconds\n"</span>,
<a name="l00516"></a>00516 N_ITERATIONS, (end - start) / (<span class="keywordtype">double</span>) CLOCKS_PER_SEC);
<a name="l00517"></a>00517
<a name="l00518"></a>00518 _dbus_verbose (<span class="stringliteral">" zeroed mempools\n"</span>);
<a name="l00519"></a>00519
<a name="l00520"></a>00520 start = clock ();
<a name="l00521"></a>00521
<a name="l00522"></a>00522 pool = <a class="code" href="group__DBusMemPool.html#gf1bae02bc5fcb879f77ff2c13ca03ac8">_dbus_mem_pool_new</a> (size, <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>);
<a name="l00523"></a>00523
<a name="l00524"></a>00524 i = 0;
<a name="l00525"></a>00525 j = 0;
<a name="l00526"></a>00526 <span class="keywordflow">while</span> (i < N_ITERATIONS)
<a name="l00527"></a>00527 {
<a name="l00528"></a>00528 to_free[j] = <a class="code" href="group__DBusMemPool.html#g0946d54f767b4f55238f5a39c8543df1">_dbus_mem_pool_alloc</a> (pool);
<a name="l00529"></a>00529 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (to_free[j] != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>); <span class="comment">/* in a real app of course this is wrong */</span>
<a name="l00530"></a>00530
<a name="l00531"></a>00531 ++j;
<a name="l00532"></a>00532
<a name="l00533"></a>00533 <span class="keywordflow">if</span> (j == FREE_ARRAY_SIZE)
<a name="l00534"></a>00534 {
<a name="l00535"></a>00535 j = 0;
<a name="l00536"></a>00536 <span class="keywordflow">while</span> (j < FREE_ARRAY_SIZE)
<a name="l00537"></a>00537 {
<a name="l00538"></a>00538 <a class="code" href="group__DBusMemPool.html#g4e2feaefee7384ed940059e6c7b0a9d5">_dbus_mem_pool_dealloc</a> (pool, to_free[j]);
<a name="l00539"></a>00539 ++j;
<a name="l00540"></a>00540 }
<a name="l00541"></a>00541
<a name="l00542"></a>00542 j = 0;
<a name="l00543"></a>00543 }
<a name="l00544"></a>00544
<a name="l00545"></a>00545 ++i;
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547
<a name="l00548"></a>00548 <a class="code" href="group__DBusMemPool.html#g58e4f3def46410d5bb138a2b8f366b1a">_dbus_mem_pool_free</a> (pool);
<a name="l00549"></a>00549
<a name="l00550"></a>00550 end = clock ();
<a name="l00551"></a>00551
<a name="l00552"></a>00552 _dbus_verbose (<span class="stringliteral">" created/destroyed %d elements in %g seconds\n"</span>,
<a name="l00553"></a>00553 N_ITERATIONS, (end - start) / (<span class="keywordtype">double</span>) CLOCKS_PER_SEC);
<a name="l00554"></a>00554 }
<a name="l00555"></a>00555
<a name="l00561"></a>00561 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00562"></a>00562 _dbus_mem_pool_test (<span class="keywordtype">void</span>)
<a name="l00563"></a>00563 {
<a name="l00564"></a>00564 <span class="keywordtype">int</span> i;
<a name="l00565"></a>00565 <span class="keywordtype">int</span> element_sizes[] = { 4, 8, 16, 50, 124 };
<a name="l00566"></a>00566
<a name="l00567"></a>00567 i = 0;
<a name="l00568"></a>00568 <span class="keywordflow">while</span> (i < <a class="code" href="group__DBusInternalsUtils.html#gc153abad46f4eb80999a2b340d29d1f0">_DBUS_N_ELEMENTS</a> (element_sizes))
<a name="l00569"></a>00569 {
<a name="l00570"></a>00570 time_for_size (element_sizes[i]);
<a name="l00571"></a>00571 ++i;
<a name="l00572"></a>00572 }
<a name="l00573"></a>00573
<a name="l00574"></a>00574 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00575"></a>00575 }
<a name="l00576"></a>00576
<a name="l00577"></a>00577 <span class="preprocessor">#endif </span><span class="comment">/* DBUS_BUILD_TESTS */</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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