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52 lines
1.7 KiB
Plaintext
52 lines
1.7 KiB
Plaintext
= zmq_close(3)
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== NAME
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zmq_close - close 0MQ socket
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== SYNOPSIS
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*int zmq_close (void '*socket');*
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== DESCRIPTION
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The _zmq_close()_ function shall destroy the socket referenced by the 'socket'
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argument. Any outstanding messages physically received from the network but not
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yet received by the application with _zmq_recv()_ shall be discarded. The
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behaviour for discarding messages sent by the application with _zmq_send()_ but
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not yet physically transferred to the network depends on the value of the
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_ZMQ_LINGER_ socket option for the specified 'socket'.
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_zmq_close()_ must be called exactly once for each socket. If it is never called,
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_zmq_ctx_term()_ will block forever. If it is called multiple times for the same
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socket or if 'socket' does not point to a socket, the behaviour is undefined.
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NOTE: The default setting of _ZMQ_LINGER_ does not discard unsent messages;
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this behaviour may cause the application to block when calling _zmq_ctx_term()_.
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For details refer to xref:zmq_setsockopt.adoc[zmq_setsockopt] and xref:zmq_ctx_term.adoc[zmq_ctx_term]
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NOTE: This API will complete asynchronously, so not everything will be deallocated
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after it returns. See above for details about linger.
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== RETURN VALUE
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The _zmq_close()_ function shall return zero if successful. Otherwise it shall
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return `-1` and set 'errno' to one of the values defined below.
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== ERRORS
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*ENOTSOCK*::
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The provided 'socket' was NULL.
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== SEE ALSO
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xref:zmq_socket.adoc[zmq_socket]
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xref:zmq_ctx_term.adoc[zmq_ctx_term]
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xref:zmq_setsockopt.adoc[zmq_setsockopt]
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xref:zmq.adoc[zmq]
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== AUTHORS
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This page was written by the 0MQ community. To make a change please
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read the 0MQ Contribution Policy at <http://www.zeromq.org/docs:contributing>.
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