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ZMQ_MSG_CLOSE

Section: 0MQ Manual (3)
Updated: 10/14/2014
Index Return to Main Contents
 

NAME

zmq_msg_close - release 0MQ message  

SYNOPSIS

int zmq_msg_close (zmq_msg_t *msg);  

DESCRIPTION

The zmq_msg_close() function shall inform the 0MQ infrastructure that any resources associated with the message object referenced by msg are no longer required and may be released. Actual release of resources associated with the message object shall be postponed by 0MQ until all users of the message or underlying data buffer have indicated it is no longer required.

Applications should ensure that zmq_msg_close() is called once a message is no longer required, otherwise memory leaks may occur. Note that this is NOT necessary after a successful zmq_msg_send().


Caution

Never access zmq_msg_t members directly, instead always use the zmq_msg family of functions.

 

RETURN VALUE

The zmq_msg_close() function shall return zero if successful. Otherwise it shall return -1 and set errno to one of the values defined below.  

ERRORS

EFAULT

Invalid message.
 

SEE ALSO

zmq_msg_init(3) zmq_msg_init_size(3) zmq_msg_init_data(3) zmq_msg_data(3) zmq_msg_size(3) zmq(7)  

AUTHORS

This page was written by the 0MQ community. To make a change please read the 0MQ Contribution Policy at m[blue]http://www.zeromq.org/docs:contributingm[].


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
SEE ALSO
AUTHORS


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