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<div class="textblock"><code>#include &lt;<a class="el" href="support_2sync_8h_source.html">grpc/support/sync.h</a>&gt;</code><br/>
</div>
<p><a href="avl_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structgpr__avl__node.html">gpr_avl_node</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">internal node of an AVL tree  <a href="structgpr__avl__node.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structgpr__avl__vtable.html">gpr_avl_vtable</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structgpr__avl.html">gpr_avl</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">"pointer" to an AVL tree - this is a reference counted object - use gpr_avl_ref to add a reference, gpr_avl_unref when done with a reference  <a href="structgpr__avl.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a387f850dc2c55ba4e46c3f847e176ada"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structgpr__avl__node.html">gpr_avl_node</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a387f850dc2c55ba4e46c3f847e176ada">gpr_avl_node</a></td></tr>
<tr class="memdesc:a387f850dc2c55ba4e46c3f847e176ada"><td class="mdescLeft">&#160;</td><td class="mdescRight">internal node of an AVL tree  <a href="#a387f850dc2c55ba4e46c3f847e176ada">More...</a><br/></td></tr>
<tr class="separator:a387f850dc2c55ba4e46c3f847e176ada"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7b4e175c2732d19931f686aeb7b4f570"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structgpr__avl__vtable.html">gpr_avl_vtable</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a7b4e175c2732d19931f686aeb7b4f570">gpr_avl_vtable</a></td></tr>
<tr class="separator:a7b4e175c2732d19931f686aeb7b4f570"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a31a6a15570ecac89eadb97e13e6b73bd"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a31a6a15570ecac89eadb97e13e6b73bd">gpr_avl</a></td></tr>
<tr class="memdesc:a31a6a15570ecac89eadb97e13e6b73bd"><td class="mdescLeft">&#160;</td><td class="mdescRight">"pointer" to an AVL tree - this is a reference counted object - use gpr_avl_ref to add a reference, gpr_avl_unref when done with a reference  <a href="#a31a6a15570ecac89eadb97e13e6b73bd">More...</a><br/></td></tr>
<tr class="separator:a31a6a15570ecac89eadb97e13e6b73bd"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a1dab3c1a92471b256b82ca8bd8f96d88"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a1dab3c1a92471b256b82ca8bd8f96d88">gpr_avl_create</a> (const <a class="el" href="structgpr__avl__vtable.html">gpr_avl_vtable</a> *vtable)</td></tr>
<tr class="memdesc:a1dab3c1a92471b256b82ca8bd8f96d88"><td class="mdescLeft">&#160;</td><td class="mdescRight">create an immutable AVL tree  <a href="#a1dab3c1a92471b256b82ca8bd8f96d88">More...</a><br/></td></tr>
<tr class="separator:a1dab3c1a92471b256b82ca8bd8f96d88"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac50be0a44f3077598aef8b93c230e611"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#ac50be0a44f3077598aef8b93c230e611">gpr_avl_ref</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl)</td></tr>
<tr class="memdesc:ac50be0a44f3077598aef8b93c230e611"><td class="mdescLeft">&#160;</td><td class="mdescRight">add a reference to an existing tree - returns the tree as a convenience  <a href="#ac50be0a44f3077598aef8b93c230e611">More...</a><br/></td></tr>
<tr class="separator:ac50be0a44f3077598aef8b93c230e611"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1b7b8ca19940c4634efedcf7b300a2cc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a1b7b8ca19940c4634efedcf7b300a2cc">gpr_avl_unref</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl)</td></tr>
<tr class="memdesc:a1b7b8ca19940c4634efedcf7b300a2cc"><td class="mdescLeft">&#160;</td><td class="mdescRight">remove a reference to a tree - destroying it if there are no references left  <a href="#a1b7b8ca19940c4634efedcf7b300a2cc">More...</a><br/></td></tr>
<tr class="separator:a1b7b8ca19940c4634efedcf7b300a2cc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a58fe0294f7ed3d27b61a71a56a7bcc61"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a58fe0294f7ed3d27b61a71a56a7bcc61">gpr_avl_add</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl, void *key, void *value)</td></tr>
<tr class="memdesc:a58fe0294f7ed3d27b61a71a56a7bcc61"><td class="mdescLeft">&#160;</td><td class="mdescRight">return a new tree with (key, value) added to avl.  <a href="#a58fe0294f7ed3d27b61a71a56a7bcc61">More...</a><br/></td></tr>
<tr class="separator:a58fe0294f7ed3d27b61a71a56a7bcc61"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8480c3d62603f73005274b5c1ad55bb8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a8480c3d62603f73005274b5c1ad55bb8">gpr_avl_remove</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl, void *key)</td></tr>
<tr class="memdesc:a8480c3d62603f73005274b5c1ad55bb8"><td class="mdescLeft">&#160;</td><td class="mdescRight">return a new tree with key deleted implicitly unrefs avl to allow easy chaining.  <a href="#a8480c3d62603f73005274b5c1ad55bb8">More...</a><br/></td></tr>
<tr class="separator:a8480c3d62603f73005274b5c1ad55bb8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adfb9b46b5306de2954335b198a0b677f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#adfb9b46b5306de2954335b198a0b677f">gpr_avl_get</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl, void *key)</td></tr>
<tr class="memdesc:adfb9b46b5306de2954335b198a0b677f"><td class="mdescLeft">&#160;</td><td class="mdescRight">lookup key, and return the associated value.  <a href="#adfb9b46b5306de2954335b198a0b677f">More...</a><br/></td></tr>
<tr class="separator:adfb9b46b5306de2954335b198a0b677f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac62ad630e26daff28a7f161929a59365"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#ac62ad630e26daff28a7f161929a59365">gpr_avl_maybe_get</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl, void *key, void **value)</td></tr>
<tr class="memdesc:ac62ad630e26daff28a7f161929a59365"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return 1 if avl contains key, 0 otherwise; if it has the key, sets *value to its value.  <a href="#ac62ad630e26daff28a7f161929a59365">More...</a><br/></td></tr>
<tr class="separator:ac62ad630e26daff28a7f161929a59365"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a67437810e910a0b5eaf783d1e59f6299"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="avl_8h.html#a67437810e910a0b5eaf783d1e59f6299">gpr_avl_is_empty</a> (<a class="el" href="structgpr__avl.html">gpr_avl</a> avl)</td></tr>
<tr class="memdesc:a67437810e910a0b5eaf783d1e59f6299"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return 1 if avl is empty, 0 otherwise.  <a href="#a67437810e910a0b5eaf783d1e59f6299">More...</a><br/></td></tr>
<tr class="separator:a67437810e910a0b5eaf783d1e59f6299"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="a31a6a15570ecac89eadb97e13e6b73bd"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">typedef struct <a class="el" href="structgpr__avl.html">gpr_avl</a>  <a class="el" href="structgpr__avl.html">gpr_avl</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>"pointer" to an AVL tree - this is a reference counted object - use gpr_avl_ref to add a reference, gpr_avl_unref when done with a reference </p>

</div>
</div>
<a class="anchor" id="a387f850dc2c55ba4e46c3f847e176ada"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">typedef struct <a class="el" href="structgpr__avl__node.html">gpr_avl_node</a>  <a class="el" href="structgpr__avl__node.html">gpr_avl_node</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>internal node of an AVL tree </p>

</div>
</div>
<a class="anchor" id="a7b4e175c2732d19931f686aeb7b4f570"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">typedef struct <a class="el" href="structgpr__avl__vtable.html">gpr_avl_vtable</a>  <a class="el" href="structgpr__avl__vtable.html">gpr_avl_vtable</a></td>
        </tr>
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</div><div class="memdoc">

</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a58fe0294f7ed3d27b61a71a56a7bcc61"></a>
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      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a> gpr_avl_add </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>key</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>value</em>&#160;</td>
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        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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      </table>
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<p>return a new tree with (key, value) added to avl. </p>
<p>implicitly unrefs avl to allow easy chaining. if key exists in avl, the new tree's key entry updated (i.e. a duplicate is not created) </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a> gpr_avl_create </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structgpr__avl__vtable.html">gpr_avl_vtable</a> *&#160;</td>
          <td class="paramname"><em>vtable</em></td><td>)</td>
          <td></td>
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<p>create an immutable AVL tree </p>

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<a class="anchor" id="adfb9b46b5306de2954335b198a0b677f"></a>
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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void* gpr_avl_get </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>key</em>&#160;</td>
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        <tr>
          <td></td>
          <td>)</td>
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<p>lookup key, and return the associated value. </p>
<p>does not mutate avl. returns NULL if key is not found. </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_avl_is_empty </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em></td><td>)</td>
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<p>Return 1 if avl is empty, 0 otherwise. </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_avl_maybe_get </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>key</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void **&#160;</td>
          <td class="paramname"><em>value</em>&#160;</td>
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          <td>)</td>
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<p>Return 1 if avl contains key, 0 otherwise; if it has the key, sets *value to its value. </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a> gpr_avl_ref </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em></td><td>)</td>
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<p>add a reference to an existing tree - returns the tree as a convenience </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> <a class="el" href="structgpr__avl.html">gpr_avl</a> gpr_avl_remove </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em>, </td>
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          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>key</em>&#160;</td>
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          <td>)</td>
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<p>return a new tree with key deleted implicitly unrefs avl to allow easy chaining. </p>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_avl_unref </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__avl.html">gpr_avl</a>&#160;</td>
          <td class="paramname"><em>avl</em></td><td>)</td>
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<p>remove a reference to a tree - destroying it if there are no references left </p>

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