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<div class="textblock"><code>#include &quot;<a class="el" href="channel__stack_8h_source.html">src/core/channel/channel_stack.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="connector_8h_source.html">src/core/client_config/connector.h</a>&quot;</code><br/>
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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="structgrpc__subchannel__args.html">grpc_subchannel_args</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a7a3f5a07d6d6ca7864d0b571a2675d15"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a7a3f5a07d6d6ca7864d0b571a2675d15">GRPC_SUBCHANNEL_REF</a>(p, r)&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#a5c7cfbbc599fe46465b5f0c9952af323">grpc_subchannel_ref</a>((p))</td></tr>
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<tr class="memitem:accf1481a1fe9acf1537f665705a60d4c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#accf1481a1fe9acf1537f665705a60d4c">GRPC_SUBCHANNEL_UNREF</a>(p, r)&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#a0afd3a137c42f46e285b7c7d0b7b657f">grpc_subchannel_unref</a>((p))</td></tr>
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<tr class="memitem:aa0f8df565952fc5504c9658b426c64a7"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#aa0f8df565952fc5504c9658b426c64a7">GRPC_SUBCHANNEL_CALL_REF</a>(p, r)&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#abb8369d0ae5d3be4e25e9c300ef50067">grpc_subchannel_call_ref</a>((p))</td></tr>
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<tr class="memitem:a5d26bb43a6c7a1d40d130c7dd08b4ca8"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a5d26bb43a6c7a1d40d130c7dd08b4ca8">GRPC_SUBCHANNEL_CALL_UNREF</a>(p, r)&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#a179d2915801ed037ca90a4de0f7ce060">grpc_subchannel_call_unref</a>((p))</td></tr>
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<tr class="memitem:aabb025f64b5de653dc110d17add28e74"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#aabb025f64b5de653dc110d17add28e74">GRPC_SUBCHANNEL_REF_EXTRA_ARGS</a></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:a6d36bd247fd79f7c8a2788d04f622a06"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a6d36bd247fd79f7c8a2788d04f622a06">grpc_subchannel</a></td></tr>
<tr class="memdesc:a6d36bd247fd79f7c8a2788d04f622a06"><td class="mdescLeft">&#160;</td><td class="mdescRight">A (sub-)channel that knows how to connect to exactly one target address. <a href="#a6d36bd247fd79f7c8a2788d04f622a06">More...</a><br/></td></tr>
<tr class="separator:a6d36bd247fd79f7c8a2788d04f622a06"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a007a93252a4a76631336ab840c18ee7d"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a007a93252a4a76631336ab840c18ee7d">grpc_subchannel_call</a></td></tr>
<tr class="separator:a007a93252a4a76631336ab840c18ee7d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1ef8f51fcaea0bb29010f164b4429a55"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structgrpc__subchannel__args.html">grpc_subchannel_args</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a1ef8f51fcaea0bb29010f164b4429a55">grpc_subchannel_args</a></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a3d6c37ca330ab08c065c1210b67f94e4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a3d6c37ca330ab08c065c1210b67f94e4">grpc_subchannel_ref</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *channel)</td></tr>
<tr class="separator:a3d6c37ca330ab08c065c1210b67f94e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af61898f3a0ac79fa0c64d6dcbe32ff59"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#af61898f3a0ac79fa0c64d6dcbe32ff59">grpc_subchannel_unref</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *channel)</td></tr>
<tr class="separator:af61898f3a0ac79fa0c64d6dcbe32ff59"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1d1fd9b9b9d0759dec2c43b4d2697a93"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a1d1fd9b9b9d0759dec2c43b4d2697a93">grpc_subchannel_call_ref</a> (<a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> *call)</td></tr>
<tr class="separator:a1d1fd9b9b9d0759dec2c43b4d2697a93"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7eaea7934724bc8d7023eb3efe58fb53"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a7eaea7934724bc8d7023eb3efe58fb53">grpc_subchannel_call_unref</a> (<a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> *call)</td></tr>
<tr class="separator:a7eaea7934724bc8d7023eb3efe58fb53"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a54000749034854e53ac2b09ff563ea2d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a54000749034854e53ac2b09ff563ea2d">grpc_subchannel_create_call</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *subchannel, <a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *pollset, <a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> **target, <a class="el" href="structgrpc__iomgr__closure.html">grpc_iomgr_closure</a> *notify)</td></tr>
<tr class="memdesc:a54000749034854e53ac2b09ff563ea2d"><td class="mdescLeft">&#160;</td><td class="mdescRight">construct a call (possibly asynchronously) <a href="#a54000749034854e53ac2b09ff563ea2d">More...</a><br/></td></tr>
<tr class="separator:a54000749034854e53ac2b09ff563ea2d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad24914ea93274b1494a42420e853e4e1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#ad24914ea93274b1494a42420e853e4e1">grpc_subchannel_process_transport_op</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *subchannel, <a class="el" href="structgrpc__transport__op.html">grpc_transport_op</a> *op)</td></tr>
<tr class="memdesc:ad24914ea93274b1494a42420e853e4e1"><td class="mdescLeft">&#160;</td><td class="mdescRight">process a transport level op <a href="#ad24914ea93274b1494a42420e853e4e1">More...</a><br/></td></tr>
<tr class="separator:ad24914ea93274b1494a42420e853e4e1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4a2f6ba6b1204e3bf20af7fc5b68f709"><td class="memItemLeft" align="right" valign="top"><a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a4a2f6ba6b1204e3bf20af7fc5b68f709">grpc_subchannel_check_connectivity</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *channel)</td></tr>
<tr class="memdesc:a4a2f6ba6b1204e3bf20af7fc5b68f709"><td class="mdescLeft">&#160;</td><td class="mdescRight">poll the current connectivity state of a channel <a href="#a4a2f6ba6b1204e3bf20af7fc5b68f709">More...</a><br/></td></tr>
<tr class="separator:a4a2f6ba6b1204e3bf20af7fc5b68f709"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abb2ba4bcf7187525c26d3cc25a3a3776"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#abb2ba4bcf7187525c26d3cc25a3a3776">grpc_subchannel_notify_on_state_change</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *channel, <a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> *state, <a class="el" href="structgrpc__iomgr__closure.html">grpc_iomgr_closure</a> *notify)</td></tr>
<tr class="memdesc:abb2ba4bcf7187525c26d3cc25a3a3776"><td class="mdescLeft">&#160;</td><td class="mdescRight">call notify when the connectivity state of a channel changes from *state. <a href="#abb2ba4bcf7187525c26d3cc25a3a3776">More...</a><br/></td></tr>
<tr class="separator:abb2ba4bcf7187525c26d3cc25a3a3776"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aca094f578fdc81ffc9ec8ea80b9c5579"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#aca094f578fdc81ffc9ec8ea80b9c5579">grpc_subchannel_add_interested_party</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *channel, <a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *pollset)</td></tr>
<tr class="separator:aca094f578fdc81ffc9ec8ea80b9c5579"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa8ea5c658e34de467db80c269231e676"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#aa8ea5c658e34de467db80c269231e676">grpc_subchannel_del_interested_party</a> (<a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *channel, <a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *pollset)</td></tr>
<tr class="separator:aa8ea5c658e34de467db80c269231e676"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a30ba75352b07c1e77a4253585c03f1ad"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a30ba75352b07c1e77a4253585c03f1ad">grpc_subchannel_call_process_op</a> (<a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> *subchannel_call, <a class="el" href="structgrpc__transport__stream__op.html">grpc_transport_stream_op</a> *op)</td></tr>
<tr class="memdesc:a30ba75352b07c1e77a4253585c03f1ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">continue processing a transport op <a href="#a30ba75352b07c1e77a4253585c03f1ad">More...</a><br/></td></tr>
<tr class="separator:a30ba75352b07c1e77a4253585c03f1ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac07bb9b75d7587847d5792ed6ad7e616"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#ac07bb9b75d7587847d5792ed6ad7e616">grpc_subchannel_call_get_peer</a> (<a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> *subchannel_call)</td></tr>
<tr class="memdesc:ac07bb9b75d7587847d5792ed6ad7e616"><td class="mdescLeft">&#160;</td><td class="mdescRight">continue querying for peer <a href="#ac07bb9b75d7587847d5792ed6ad7e616">More...</a><br/></td></tr>
<tr class="separator:ac07bb9b75d7587847d5792ed6ad7e616"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5220a721bb5ad91bffbddd12045efff8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="subchannel_8h.html#a5220a721bb5ad91bffbddd12045efff8">grpc_subchannel_create</a> (<a class="el" href="structgrpc__connector.html">grpc_connector</a> *<a class="el" href="structconnector.html">connector</a>, <a class="el" href="structgrpc__subchannel__args.html">grpc_subchannel_args</a> *args)</td></tr>
<tr class="memdesc:a5220a721bb5ad91bffbddd12045efff8"><td class="mdescLeft">&#160;</td><td class="mdescRight">create a subchannel given a connector <a href="#a5220a721bb5ad91bffbddd12045efff8">More...</a><br/></td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define GRPC_SUBCHANNEL_CALL_REF</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">p, </td>
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<td class="paramkey"></td>
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<td>)</td>
<td></td><td>&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#abb8369d0ae5d3be4e25e9c300ef50067">grpc_subchannel_call_ref</a>((p))</td>
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<a class="anchor" id="a5d26bb43a6c7a1d40d130c7dd08b4ca8"></a>
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<td class="memname">#define GRPC_SUBCHANNEL_CALL_UNREF</td>
<td>(</td>
<td class="paramtype">&#160;</td>
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<td class="paramkey"></td>
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<td></td><td>&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#a179d2915801ed037ca90a4de0f7ce060">grpc_subchannel_call_unref</a>((p))</td>
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<td class="memname">#define GRPC_SUBCHANNEL_REF</td>
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<td></td><td>&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#a5c7cfbbc599fe46465b5f0c9952af323">grpc_subchannel_ref</a>((p))</td>
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<td class="memname">#define GRPC_SUBCHANNEL_REF_EXTRA_ARGS</td>
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<td class="memname">#define GRPC_SUBCHANNEL_UNREF</td>
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<td></td><td>&#160;&#160;&#160;<a class="el" href="subchannel_8c.html#a0afd3a137c42f46e285b7c7d0b7b657f">grpc_subchannel_unref</a>((p))</td>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef struct <a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> <a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a></td>
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<p>A (sub-)channel that knows how to connect to exactly one target address. </p>
<p>Provides a target for load balancing. </p>
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<td class="memname">typedef struct <a class="el" href="structgrpc__subchannel__args.html">grpc_subchannel_args</a> <a class="el" href="structgrpc__subchannel__args.html">grpc_subchannel_args</a></td>
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<td class="memname">typedef struct <a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> <a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a></td>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void grpc_subchannel_add_interested_party </td>
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<td class="paramtype"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *&#160;</td>
<td class="paramname"><em>channel</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *&#160;</td>
<td class="paramname"><em>pollset</em>&#160;</td>
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<td class="memname">char* grpc_subchannel_call_get_peer </td>
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<td class="paramname"><em>subchannel_call</em></td><td>)</td>
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<p>continue querying for peer </p>
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<td class="memname">void grpc_subchannel_call_process_op </td>
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<td class="paramname"><em>subchannel_call</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__transport__stream__op.html">grpc_transport_stream_op</a> *&#160;</td>
<td class="paramname"><em>op</em>&#160;</td>
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<p>continue processing a transport op </p>
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<td class="memname">void grpc_subchannel_call_ref </td>
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<td class="paramname"><em>call</em></td><td>)</td>
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<td class="memname">void grpc_subchannel_call_unref </td>
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<td class="memname"><a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> grpc_subchannel_check_connectivity </td>
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<td class="paramtype"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *&#160;</td>
<td class="paramname"><em>channel</em></td><td>)</td>
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<p>poll the current connectivity state of a channel </p>
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<td class="memname"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a>* grpc_subchannel_create </td>
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<td class="paramname"><em>connector</em>, </td>
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<p>create a subchannel given a connector </p>
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<td class="memname">void grpc_subchannel_create_call </td>
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<td class="paramname"><em>subchannel</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *&#160;</td>
<td class="paramname"><em>pollset</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__subchannel__call.html">grpc_subchannel_call</a> **&#160;</td>
<td class="paramname"><em>target</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__iomgr__closure.html">grpc_iomgr_closure</a> *&#160;</td>
<td class="paramname"><em>notify</em>&#160;</td>
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<p>construct a call (possibly asynchronously) </p>
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<td class="memname">void grpc_subchannel_del_interested_party </td>
<td>(</td>
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<td class="paramname"><em>channel</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__pollset.html">grpc_pollset</a> *&#160;</td>
<td class="paramname"><em>pollset</em>&#160;</td>
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<td>)</td>
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<td class="memname">void grpc_subchannel_notify_on_state_change </td>
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<td class="paramtype"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *&#160;</td>
<td class="paramname"><em>channel</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="grpc_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> *&#160;</td>
<td class="paramname"><em>state</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="structgrpc__iomgr__closure.html">grpc_iomgr_closure</a> *&#160;</td>
<td class="paramname"><em>notify</em>&#160;</td>
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<p>call notify when the connectivity state of a channel changes from *state. </p>
<p>Updates *state with the new state of the channel </p>
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<td class="memname">void grpc_subchannel_process_transport_op </td>
<td>(</td>
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<td class="paramname"><em>subchannel</em>, </td>
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<td class="paramtype"><a class="el" href="structgrpc__transport__op.html">grpc_transport_op</a> *&#160;</td>
<td class="paramname"><em>op</em>&#160;</td>
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<p>process a transport level op </p>
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<td class="memname">void grpc_subchannel_ref </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *&#160;</td>
<td class="paramname"><em>channel</em></td><td>)</td>
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<td class="memname">void grpc_subchannel_unref </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structgrpc__subchannel.html">grpc_subchannel</a> *&#160;</td>
<td class="paramname"><em>channel</em></td><td>)</td>
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