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<div class="textblock"><code>#include &lt;<a class="el" href="support_2port__platform_8h_source.html">grpc/support/port_platform.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="gpr__types_8h_source.html">grpc/impl/codegen/gpr_types.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="impl_2codegen_2sync_8h_source.html">grpc/impl/codegen/sync.h</a>&gt;</code><br />
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<p><a href="support_2sync_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="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a989fb0f141d90a05b20425ebdc77936d"><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="support_2sync_8h.html#a989fb0f141d90a05b20425ebdc77936d">gpr_mu_init</a> (<a class="el" href="structgpr__mu.html">gpr_mu</a> *mu)</td></tr>
<tr class="memdesc:a989fb0f141d90a05b20425ebdc77936d"><td class="mdescLeft">&#160;</td><td class="mdescRight">&mdash; Mutex interface &mdash;  <a href="#a989fb0f141d90a05b20425ebdc77936d">More...</a><br /></td></tr>
<tr class="separator:a989fb0f141d90a05b20425ebdc77936d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a23567fcb3d8a7d5f29834ddbcbbe1d1d"><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="support_2sync_8h.html#a23567fcb3d8a7d5f29834ddbcbbe1d1d">gpr_mu_destroy</a> (<a class="el" href="structgpr__mu.html">gpr_mu</a> *mu)</td></tr>
<tr class="memdesc:a23567fcb3d8a7d5f29834ddbcbbe1d1d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cause *mu no longer to be initialized, freeing any memory in use.  <a href="#a23567fcb3d8a7d5f29834ddbcbbe1d1d">More...</a><br /></td></tr>
<tr class="separator:a23567fcb3d8a7d5f29834ddbcbbe1d1d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7001a8164ce893911acf26d2fb8fd2ba"><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="support_2sync_8h.html#a7001a8164ce893911acf26d2fb8fd2ba">gpr_mu_lock</a> (<a class="el" href="structgpr__mu.html">gpr_mu</a> *mu)</td></tr>
<tr class="memdesc:a7001a8164ce893911acf26d2fb8fd2ba"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait until no thread has a lock on *mu, cause the calling thread to own an exclusive lock on *mu, then return.  <a href="#a7001a8164ce893911acf26d2fb8fd2ba">More...</a><br /></td></tr>
<tr class="separator:a7001a8164ce893911acf26d2fb8fd2ba"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af0e6cc39401a0ee35b728f5b88135376"><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="support_2sync_8h.html#af0e6cc39401a0ee35b728f5b88135376">gpr_mu_unlock</a> (<a class="el" href="structgpr__mu.html">gpr_mu</a> *mu)</td></tr>
<tr class="memdesc:af0e6cc39401a0ee35b728f5b88135376"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release an exclusive lock on *mu held by the calling thread.  <a href="#af0e6cc39401a0ee35b728f5b88135376">More...</a><br /></td></tr>
<tr class="separator:af0e6cc39401a0ee35b728f5b88135376"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a18765dc6c6292b12388a68eb541419a8"><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="support_2sync_8h.html#a18765dc6c6292b12388a68eb541419a8">gpr_mu_trylock</a> (<a class="el" href="structgpr__mu.html">gpr_mu</a> *mu)</td></tr>
<tr class="memdesc:a18765dc6c6292b12388a68eb541419a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Without blocking, attempt to acquire an exclusive lock on *mu for the calling thread, then return non-zero iff success.  <a href="#a18765dc6c6292b12388a68eb541419a8">More...</a><br /></td></tr>
<tr class="separator:a18765dc6c6292b12388a68eb541419a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a112715bd2e69d92010a6317c839eb36f"><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="support_2sync_8h.html#a112715bd2e69d92010a6317c839eb36f">gpr_cv_init</a> (<a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *cv)</td></tr>
<tr class="memdesc:a112715bd2e69d92010a6317c839eb36f"><td class="mdescLeft">&#160;</td><td class="mdescRight">&mdash; Condition variable interface &mdash;  <a href="#a112715bd2e69d92010a6317c839eb36f">More...</a><br /></td></tr>
<tr class="separator:a112715bd2e69d92010a6317c839eb36f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a053788a2217043c527afc8b424568b22"><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="support_2sync_8h.html#a053788a2217043c527afc8b424568b22">gpr_cv_destroy</a> (<a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *cv)</td></tr>
<tr class="memdesc:a053788a2217043c527afc8b424568b22"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cause *cv no longer to be initialized, freeing any memory in use.  <a href="#a053788a2217043c527afc8b424568b22">More...</a><br /></td></tr>
<tr class="separator:a053788a2217043c527afc8b424568b22"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf647f6e8dede8b27ccda9e971ae4971"><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="support_2sync_8h.html#adf647f6e8dede8b27ccda9e971ae4971">gpr_cv_wait</a> (<a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *cv, <a class="el" href="structgpr__mu.html">gpr_mu</a> *mu, <a class="el" href="structgpr__timespec.html">gpr_timespec</a> abs_deadline)</td></tr>
<tr class="memdesc:adf647f6e8dede8b27ccda9e971ae4971"><td class="mdescLeft">&#160;</td><td class="mdescRight">Atomically release *mu and wait on *cv.  <a href="#adf647f6e8dede8b27ccda9e971ae4971">More...</a><br /></td></tr>
<tr class="separator:adf647f6e8dede8b27ccda9e971ae4971"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abf066e257012246303a938350d1546a0"><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="support_2sync_8h.html#abf066e257012246303a938350d1546a0">gpr_cv_signal</a> (<a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *cv)</td></tr>
<tr class="memdesc:abf066e257012246303a938350d1546a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">If any threads are waiting on *cv, wake at least one.  <a href="#abf066e257012246303a938350d1546a0">More...</a><br /></td></tr>
<tr class="separator:abf066e257012246303a938350d1546a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a684cb215f9f840791372180a810b405d"><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="support_2sync_8h.html#a684cb215f9f840791372180a810b405d">gpr_cv_broadcast</a> (<a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *cv)</td></tr>
<tr class="memdesc:a684cb215f9f840791372180a810b405d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wake all threads waiting on *cv.  <a href="#a684cb215f9f840791372180a810b405d">More...</a><br /></td></tr>
<tr class="separator:a684cb215f9f840791372180a810b405d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1157f44f131ce5f000744bea273347bc"><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="support_2sync_8h.html#a1157f44f131ce5f000744bea273347bc">gpr_once_init</a> (<a class="el" href="impl_2codegen_2sync__posix_8h.html#a28731dc17a4158343f58f453a4d5e37f">gpr_once</a> *once, void(*init_routine)(void))</td></tr>
<tr class="memdesc:a1157f44f131ce5f000744bea273347bc"><td class="mdescLeft">&#160;</td><td class="mdescRight">&mdash; One-time initialization &mdash;  <a href="#a1157f44f131ce5f000744bea273347bc">More...</a><br /></td></tr>
<tr class="separator:a1157f44f131ce5f000744bea273347bc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8c1e214b5ff9e8f25dfc785977d8a092"><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="support_2sync_8h.html#a8c1e214b5ff9e8f25dfc785977d8a092">gpr_event_init</a> (<a class="el" href="structgpr__event.html">gpr_event</a> *ev)</td></tr>
<tr class="memdesc:a8c1e214b5ff9e8f25dfc785977d8a092"><td class="mdescLeft">&#160;</td><td class="mdescRight">&mdash; One-time event notification &mdash;  <a href="#a8c1e214b5ff9e8f25dfc785977d8a092">More...</a><br /></td></tr>
<tr class="separator:a8c1e214b5ff9e8f25dfc785977d8a092"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a39a77b09ffc2c288b097c84c4e0e29a5"><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="support_2sync_8h.html#a39a77b09ffc2c288b097c84c4e0e29a5">gpr_event_set</a> (<a class="el" href="structgpr__event.html">gpr_event</a> *ev, void *value)</td></tr>
<tr class="memdesc:a39a77b09ffc2c288b097c84c4e0e29a5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set *ev so that <a class="el" href="support_2sync_8h.html#afb62d3857409962718465c407f97fec3" title="Return the value set by gpr_event_set(ev, ...), or NULL if no such call has completed. ">gpr_event_get()</a> and <a class="el" href="support_2sync_8h.html#acc62f586f166d0cbd2c3ba7a707ac5a3" title="Wait until *ev is set by gpr_event_set(ev, ...), or abs_deadline is exceeded, then return gpr_event_g...">gpr_event_wait()</a> will return value.  <a href="#a39a77b09ffc2c288b097c84c4e0e29a5">More...</a><br /></td></tr>
<tr class="separator:a39a77b09ffc2c288b097c84c4e0e29a5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afb62d3857409962718465c407f97fec3"><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="support_2sync_8h.html#afb62d3857409962718465c407f97fec3">gpr_event_get</a> (<a class="el" href="structgpr__event.html">gpr_event</a> *ev)</td></tr>
<tr class="memdesc:afb62d3857409962718465c407f97fec3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the value set by gpr_event_set(ev, ...), or NULL if no such call has completed.  <a href="#afb62d3857409962718465c407f97fec3">More...</a><br /></td></tr>
<tr class="separator:afb62d3857409962718465c407f97fec3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acc62f586f166d0cbd2c3ba7a707ac5a3"><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="support_2sync_8h.html#acc62f586f166d0cbd2c3ba7a707ac5a3">gpr_event_wait</a> (<a class="el" href="structgpr__event.html">gpr_event</a> *ev, <a class="el" href="structgpr__timespec.html">gpr_timespec</a> abs_deadline)</td></tr>
<tr class="memdesc:acc62f586f166d0cbd2c3ba7a707ac5a3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait until *ev is set by gpr_event_set(ev, ...), or abs_deadline is exceeded, then return gpr_event_get(ev).  <a href="#acc62f586f166d0cbd2c3ba7a707ac5a3">More...</a><br /></td></tr>
<tr class="separator:acc62f586f166d0cbd2c3ba7a707ac5a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afb46be51462503426660193b7d49f599"><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="support_2sync_8h.html#afb46be51462503426660193b7d49f599">gpr_ref_init</a> (<a class="el" href="structgpr__refcount.html">gpr_refcount</a> *r, int n)</td></tr>
<tr class="memdesc:afb46be51462503426660193b7d49f599"><td class="mdescLeft">&#160;</td><td class="mdescRight">&mdash; Reference counting &mdash;  <a href="#afb46be51462503426660193b7d49f599">More...</a><br /></td></tr>
<tr class="separator:afb46be51462503426660193b7d49f599"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2653bdd931dc3e35ef24f52b4ab074ee"><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="support_2sync_8h.html#a2653bdd931dc3e35ef24f52b4ab074ee">gpr_ref</a> (<a class="el" href="structgpr__refcount.html">gpr_refcount</a> *r)</td></tr>
<tr class="memdesc:a2653bdd931dc3e35ef24f52b4ab074ee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Increment the reference count *r.  <a href="#a2653bdd931dc3e35ef24f52b4ab074ee">More...</a><br /></td></tr>
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<tr class="memdesc:ad152a5820acaa9ca6163bcbe45d078d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Increment the reference count *r.  <a href="#ad152a5820acaa9ca6163bcbe45d078d6">More...</a><br /></td></tr>
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<tr class="memdesc:a91472a0360a87654379b3b6eb0fe942e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Increment the reference count *r by n.  <a href="#a91472a0360a87654379b3b6eb0fe942e">More...</a><br /></td></tr>
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<tr class="memitem:a244626eb1a00a846eb602820fc736f84"><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="support_2sync_8h.html#a244626eb1a00a846eb602820fc736f84">gpr_unref</a> (<a class="el" href="structgpr__refcount.html">gpr_refcount</a> *r)</td></tr>
<tr class="memdesc:a244626eb1a00a846eb602820fc736f84"><td class="mdescLeft">&#160;</td><td class="mdescRight">Decrement the reference count *r and return non-zero iff it has reached zero.  <a href="#a244626eb1a00a846eb602820fc736f84">More...</a><br /></td></tr>
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<tr class="memitem:a532b23d0393bf91ebcc221f5855c17fa"><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="support_2sync_8h.html#a532b23d0393bf91ebcc221f5855c17fa">gpr_ref_is_unique</a> (<a class="el" href="structgpr__refcount.html">gpr_refcount</a> *r)</td></tr>
<tr class="memdesc:a532b23d0393bf91ebcc221f5855c17fa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return non-zero iff the reference count of *r is one, and thus is owned by exactly one object.  <a href="#a532b23d0393bf91ebcc221f5855c17fa">More...</a><br /></td></tr>
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<tr class="memitem:a05c0002cb69dbce4d94819f65551fca2"><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="support_2sync_8h.html#a05c0002cb69dbce4d94819f65551fca2">gpr_stats_init</a> (<a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> *c, intptr_t n)</td></tr>
<tr class="memdesc:a05c0002cb69dbce4d94819f65551fca2"><td class="mdescLeft">&#160;</td><td class="mdescRight">&mdash; Stats counters &mdash;  <a href="#a05c0002cb69dbce4d94819f65551fca2">More...</a><br /></td></tr>
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<tr class="memitem:a8d1f3e75040086f0da4d7fc4e94a5b2b"><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="support_2sync_8h.html#a8d1f3e75040086f0da4d7fc4e94a5b2b">gpr_stats_inc</a> (<a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> *c, intptr_t inc)</td></tr>
<tr class="memdesc:a8d1f3e75040086f0da4d7fc4e94a5b2b"><td class="mdescLeft">&#160;</td><td class="mdescRight">*c += inc.  <a href="#a8d1f3e75040086f0da4d7fc4e94a5b2b">More...</a><br /></td></tr>
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<tr class="memitem:ab451d39b50836fcad4ed48f080b7f648"><td class="memItemLeft" align="right" valign="top"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> intptr_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="support_2sync_8h.html#ab451d39b50836fcad4ed48f080b7f648">gpr_stats_read</a> (const <a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> *c)</td></tr>
<tr class="memdesc:ab451d39b50836fcad4ed48f080b7f648"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return *c.  <a href="#ab451d39b50836fcad4ed48f080b7f648">More...</a><br /></td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="a684cb215f9f840791372180a810b405d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a684cb215f9f840791372180a810b405d">&#9670;&nbsp;</a></span>gpr_cv_broadcast()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_cv_broadcast </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *&#160;</td>
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<p>Wake all threads waiting on *cv. </p>
<p>Requires: *cv initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a053788a2217043c527afc8b424568b22">&#9670;&nbsp;</a></span>gpr_cv_destroy()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_cv_destroy </td>
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          <td class="paramtype"><a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *&#160;</td>
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<p>Cause *cv no longer to be initialized, freeing any memory in use. </p>
<p>Requires: cv initialized; no other concurrent operation on *cv. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a112715bd2e69d92010a6317c839eb36f">&#9670;&nbsp;</a></span>gpr_cv_init()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_cv_init </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *&#160;</td>
          <td class="paramname"><em>cv</em></td><td>)</td>
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<p>&mdash; Condition variable interface &mdash; </p>
<p>A while-loop should be used with <a class="el" href="support_2sync_8h.html#adf647f6e8dede8b27ccda9e971ae4971" title="Atomically release *mu and wait on *cv. ">gpr_cv_wait()</a> when waiting for conditions to become true. See the example below. Variables of type gpr_cv are uninitialized when first declared. Initialize *cv. Requires: *cv uninitialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#abf066e257012246303a938350d1546a0">&#9670;&nbsp;</a></span>gpr_cv_signal()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_cv_signal </td>
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          <td class="paramtype"><a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *&#160;</td>
          <td class="paramname"><em>cv</em></td><td>)</td>
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<p>If any threads are waiting on *cv, wake at least one. </p>
<p>Clients may treat this as an optimization of <a class="el" href="support_2sync_8h.html#a684cb215f9f840791372180a810b405d" title="Wake all threads waiting on *cv. ">gpr_cv_broadcast()</a> for use in the case where waking more than one waiter is not useful. Requires: *cv initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#adf647f6e8dede8b27ccda9e971ae4971">&#9670;&nbsp;</a></span>gpr_cv_wait()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_cv_wait </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="impl_2codegen_2sync__posix_8h.html#a1ad613e07180c0459cda9f3f6d881885">gpr_cv</a> *&#160;</td>
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          <td class="paramtype"><a class="el" href="structgpr__mu.html">gpr_mu</a> *&#160;</td>
          <td class="paramname"><em>mu</em>, </td>
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<p>Atomically release *mu and wait on *cv. </p>
<p>When the calling thread is woken from *cv or the deadline abs_deadline is exceeded, execute gpr_mu_lock(mu) and return whether the deadline was exceeded. Use abs_deadline==gpr_inf_future for no deadline. abs_deadline can be either an absolute deadline, or a GPR_TIMESPAN. May return even when not woken explicitly. Requires: *mu and *cv initialized; the calling thread holds an exclusive lock on *mu. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#afb62d3857409962718465c407f97fec3">&#9670;&nbsp;</a></span>gpr_event_get()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void* gpr_event_get </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__event.html">gpr_event</a> *&#160;</td>
          <td class="paramname"><em>ev</em></td><td>)</td>
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<p>Return the value set by gpr_event_set(ev, ...), or NULL if no such call has completed. </p>
<p>If the result is non-NULL, all operations that occurred prior to the gpr_event_set(ev, ...) set will be visible after this call returns. Requires: *ev initialized. This operation is faster than acquiring a mutex on most platforms. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a8c1e214b5ff9e8f25dfc785977d8a092">&#9670;&nbsp;</a></span>gpr_event_init()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_event_init </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__event.html">gpr_event</a> *&#160;</td>
          <td class="paramname"><em>ev</em></td><td>)</td>
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<p>&mdash; One-time event notification &mdash; </p>
<p>These operations act on a <a class="el" href="structgpr__event.html">gpr_event</a>, which should be initialized with gpr_ev_init(), or with GPR_EVENT_INIT if static, e.g., static <a class="el" href="structgpr__event.html">gpr_event</a> event_var = GPR_EVENT_INIT; It requires no destruction. Initialize *ev. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a39a77b09ffc2c288b097c84c4e0e29a5">&#9670;&nbsp;</a></span>gpr_event_set()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_event_set </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__event.html">gpr_event</a> *&#160;</td>
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<p>Set *ev so that <a class="el" href="support_2sync_8h.html#afb62d3857409962718465c407f97fec3" title="Return the value set by gpr_event_set(ev, ...), or NULL if no such call has completed. ">gpr_event_get()</a> and <a class="el" href="support_2sync_8h.html#acc62f586f166d0cbd2c3ba7a707ac5a3" title="Wait until *ev is set by gpr_event_set(ev, ...), or abs_deadline is exceeded, then return gpr_event_g...">gpr_event_wait()</a> will return value. </p>
<p>Requires: *ev initialized; value != NULL; no prior or concurrent calls to gpr_event_set(ev, ...) since initialization. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#acc62f586f166d0cbd2c3ba7a707ac5a3">&#9670;&nbsp;</a></span>gpr_event_wait()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void* gpr_event_wait </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__event.html">gpr_event</a> *&#160;</td>
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<p>Wait until *ev is set by gpr_event_set(ev, ...), or abs_deadline is exceeded, then return gpr_event_get(ev). </p>
<p>Requires: *ev initialized. Use abs_deadline==gpr_inf_future for no deadline. When the event has been signalled before the call, this operation is faster than acquiring a mutex on most platforms. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a23567fcb3d8a7d5f29834ddbcbbe1d1d">&#9670;&nbsp;</a></span>gpr_mu_destroy()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_mu_destroy </td>
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<p>Cause *mu no longer to be initialized, freeing any memory in use. </p>
<p>Requires: mu initialized; no other concurrent operation on *mu. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a989fb0f141d90a05b20425ebdc77936d">&#9670;&nbsp;</a></span>gpr_mu_init()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_mu_init </td>
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          <td class="paramtype"><a class="el" href="structgpr__mu.html">gpr_mu</a> *&#160;</td>
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<p>&mdash; Mutex interface &mdash; </p>
<p>At most one thread may hold an exclusive lock on a mutex at any given time. Actions taken by a thread that holds a mutex exclusively happen after actions taken by all previous holders of the mutex. Variables of type <a class="el" href="structgpr__mu.html">gpr_mu</a> are uninitialized when first declared. Initialize *mu. Requires: *mu uninitialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a7001a8164ce893911acf26d2fb8fd2ba">&#9670;&nbsp;</a></span>gpr_mu_lock()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_mu_lock </td>
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<p>Wait until no thread has a lock on *mu, cause the calling thread to own an exclusive lock on *mu, then return. </p>
<p>May block indefinitely or crash if the calling thread has a lock on *mu. Requires: *mu initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a18765dc6c6292b12388a68eb541419a8">&#9670;&nbsp;</a></span>gpr_mu_trylock()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_mu_trylock </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__mu.html">gpr_mu</a> *&#160;</td>
          <td class="paramname"><em>mu</em></td><td>)</td>
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<p>Without blocking, attempt to acquire an exclusive lock on *mu for the calling thread, then return non-zero iff success. </p>
<p>Fail, if any thread holds the lock; succeeds with high probability if no thread holds the lock. Requires: *mu initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af0e6cc39401a0ee35b728f5b88135376">&#9670;&nbsp;</a></span>gpr_mu_unlock()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_mu_unlock </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__mu.html">gpr_mu</a> *&#160;</td>
          <td class="paramname"><em>mu</em></td><td>)</td>
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<p>Release an exclusive lock on *mu held by the calling thread. </p>
<p>Requires: *mu initialized; the calling thread holds an exclusive lock on *mu. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a1157f44f131ce5f000744bea273347bc">&#9670;&nbsp;</a></span>gpr_once_init()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_once_init </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="impl_2codegen_2sync__posix_8h.html#a28731dc17a4158343f58f453a4d5e37f">gpr_once</a> *&#160;</td>
          <td class="paramname"><em>once</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">void(*)(void)&#160;</td>
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<p>&mdash; One-time initialization &mdash; </p>
<p>gpr_once must be declared with static storage class, and initialized with GPR_ONCE_INIT. e.g., static gpr_once once_var = GPR_ONCE_INIT; Ensure that (*init_routine)() has been called exactly once (for the specified gpr_once instance) and then return. If multiple threads call <a class="el" href="impl_2codegen_2sync__posix_8h.html#a28731dc17a4158343f58f453a4d5e37f">gpr_once()</a> on the same gpr_once instance, one of them will call (*init_routine)(), and the others will block until that call finishes. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2653bdd931dc3e35ef24f52b4ab074ee">&#9670;&nbsp;</a></span>gpr_ref()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_ref </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__refcount.html">gpr_refcount</a> *&#160;</td>
          <td class="paramname"><em>r</em></td><td>)</td>
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<p>Increment the reference count *r. </p>
<p>Requires *r initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#afb46be51462503426660193b7d49f599">&#9670;&nbsp;</a></span>gpr_ref_init()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_ref_init </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__refcount.html">gpr_refcount</a> *&#160;</td>
          <td class="paramname"><em>r</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>n</em>&#160;</td>
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<p>&mdash; Reference counting &mdash; </p>
<p>These calls act on the type <a class="el" href="structgpr__refcount.html">gpr_refcount</a>. It requires no destruction. Initialize *r to value n. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a532b23d0393bf91ebcc221f5855c17fa">&#9670;&nbsp;</a></span>gpr_ref_is_unique()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_ref_is_unique </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__refcount.html">gpr_refcount</a> *&#160;</td>
          <td class="paramname"><em>r</em></td><td>)</td>
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<p>Return non-zero iff the reference count of *r is one, and thus is owned by exactly one object. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ad152a5820acaa9ca6163bcbe45d078d6">&#9670;&nbsp;</a></span>gpr_ref_non_zero()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_ref_non_zero </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__refcount.html">gpr_refcount</a> *&#160;</td>
          <td class="paramname"><em>r</em></td><td>)</td>
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<p>Increment the reference count *r. </p>
<p>Requires *r initialized. Crashes if refcount is zero </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a91472a0360a87654379b3b6eb0fe942e">&#9670;&nbsp;</a></span>gpr_refn()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_refn </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__refcount.html">gpr_refcount</a> *&#160;</td>
          <td class="paramname"><em>r</em>, </td>
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<p>Increment the reference count *r by n. </p>
<p>Requires *r initialized, n &gt; 0. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a8d1f3e75040086f0da4d7fc4e94a5b2b">&#9670;&nbsp;</a></span>gpr_stats_inc()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_stats_inc </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> *&#160;</td>
          <td class="paramname"><em>c</em>, </td>
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          <td class="paramtype">intptr_t&#160;</td>
          <td class="paramname"><em>inc</em>&#160;</td>
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<p>*c += inc. </p>
<p>Requires: *c initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a05c0002cb69dbce4d94819f65551fca2">&#9670;&nbsp;</a></span>gpr_stats_init()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> void gpr_stats_init </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> *&#160;</td>
          <td class="paramname"><em>c</em>, </td>
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<p>&mdash; Stats counters &mdash; </p>
<p>These calls act on the integral type <a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a>. It requires no destruction. Static instances may be initialized with <a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> c = GPR_STATS_INIT; Beware: These operations do not imply memory barriers. Do not use them to synchronize other events. Initialize *c to the value n. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab451d39b50836fcad4ed48f080b7f648">&#9670;&nbsp;</a></span>gpr_stats_read()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> intptr_t gpr_stats_read </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structgpr__stats__counter.html">gpr_stats_counter</a> *&#160;</td>
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<p>Return *c. </p>
<p>Requires: *c initialized. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a244626eb1a00a846eb602820fc736f84">&#9670;&nbsp;</a></span>gpr_unref()</h2>

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          <td class="memname"><a class="el" href="impl_2codegen_2port__platform_8h.html#af89d3610372fc35178e83e06916aa808">GPRAPI</a> int gpr_unref </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structgpr__refcount.html">gpr_refcount</a> *&#160;</td>
          <td class="paramname"><em>r</em></td><td>)</td>
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<p>Decrement the reference count *r and return non-zero iff it has reached zero. </p>
<p>. Requires *r initialized. </p>

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