group__apr__allocator.html

apr函数库使用手册

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<a class="anchor" name="ga5" doxytag="apr_allocator.h::apr_allocator_free" ></a><p>
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          <td class="md" nowrap valign="top"> void apr_allocator_free           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__allocator.html#ga0">apr_allocator_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>allocator</em>, </td>
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          <td class="md" nowrap><a class="el" href="structapr__memnode__t.html">apr_memnode_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>memnode</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Free a list of blocks of mem, giving them back to the allocator. The list is typically terminated by a memnode with its next field set to NULL. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>allocator</em>&nbsp;</td><td>The allocator to give the mem back to </td></tr>
    <tr><td></td><td valign=top><em>memnode</em>&nbsp;</td><td>The memory node to return </td></tr>
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<a class="anchor" name="ga8" doxytag="apr_allocator.h::apr_allocator_max_free_set" ></a><p>
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          <td class="md" nowrap valign="top"> void apr_allocator_max_free_set           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__allocator.html#ga0">apr_allocator_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>allocator</em>, </td>
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          <td class="md" nowrap>apr_size_t&nbsp;</td>
          <td class="mdname" nowrap> <em>size</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Set the current threshold at which the allocator should start giving blocks back to the system. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>allocator</em>&nbsp;</td><td>The allocator the set the threshold on </td></tr>
    <tr><td></td><td valign=top><em>size</em>&nbsp;</td><td>The threshold. 0 == unlimited. </td></tr>
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<a class="anchor" name="ga10" doxytag="apr_allocator.h::apr_allocator_mutex_get" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="group__apr__thread__mutex.html#ga0">apr_thread_mutex_t</a>* apr_allocator_mutex_get           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__allocator.html#ga0">apr_allocator_t</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>allocator</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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<p>
Get the mutex currently set for the allocator <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>allocator</em>&nbsp;</td><td>The allocator </td></tr>
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<a class="anchor" name="ga9" doxytag="apr_allocator.h::apr_allocator_mutex_set" ></a><p>
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          <td class="md" nowrap valign="top"> void apr_allocator_mutex_set           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__allocator.html#ga0">apr_allocator_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>allocator</em>, </td>
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          <td class="md" nowrap><a class="el" href="group__apr__thread__mutex.html#ga0">apr_thread_mutex_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>mutex</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Set a mutex for the allocator to use <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>allocator</em>&nbsp;</td><td>The allocator to set the mutex for </td></tr>
    <tr><td></td><td valign=top><em>mutex</em>&nbsp;</td><td>The mutex </td></tr>
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<a class="anchor" name="ga7" doxytag="apr_allocator.h::apr_allocator_owner_get" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a>* apr_allocator_owner_get           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__allocator.html#ga0">apr_allocator_t</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>allocator</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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<p>
Get the current owner of the allocator <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>allocator</em>&nbsp;</td><td>The allocator to get the owner from </td></tr>
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<a class="anchor" name="ga6" doxytag="apr_allocator.h::apr_allocator_owner_set" ></a><p>
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          <td class="md" nowrap valign="top"> void apr_allocator_owner_set           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__allocator.html#ga0">apr_allocator_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>allocator</em>, </td>
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          <td class="md" nowrap><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>pool</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Set the owner of the allocator <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>allocator</em>&nbsp;</td><td>The allocator to set the owner for </td></tr>
    <tr><td></td><td valign=top><em>pool</em>&nbsp;</td><td>The pool that is to own the allocator </td></tr>
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<dl compact><dt><b>Remarks:</b></dt><dd>Typically pool is the highest level pool using the allocator </dd></dl>
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