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ZMQ_MSG_GET(3) | 0MQ Manual | ZMQ_MSG_GET(3) |
NAME¶
zmq_msg_get - get message propertySYNOPSIS¶
int zmq_msg_get (zmq_msg_t *message, int property );DESCRIPTION¶
The zmq_msg_get() function shall return the value for the property specified by the property argument for the message pointed to by the message argument.Indicates that there are more message frames
to follow after the message.
RETURN VALUE¶
The zmq_msg_get() function shall return the value for the property if successful. Otherwise it shall return -1 and set errno to one of the values defined below.ERRORS¶
EINVALThe requested property is
unknown.
EXAMPLE¶
Receiving a multi-frame message.while (true) { // Create an empty 0MQ message to hold the message frame int rc = zmq_msg_init (&frame); assert (rc == 0); // Block until a message is available to be received from socket rc = zmq_recvmsg (socket, &frame, 0); assert (rc != -1); if (zmq_msg_get (&frame, ZMQ_MORE)) fprintf (stderr, "more\n"); else { fprintf (stderr, "end\n"); break; } zmq_msg_close (frame); }
SEE ALSO¶
zmq_msg_set(3) zmq_msg_init(3) zmq_msg_close(3) zmq(7)AUTHORS¶
This 0MQ manual page was written by Chuck Remes < cremes@mac.com[1]> and Pieter Hintjens < ph@imatix.com[2]>.NOTES¶
- 1.
- cremes@mac.com
mailto:cremes@mac.com
- 2.
- ph@imatix.com
mailto:ph@imatix.com
05/02/2013 | 0MQ 3.2.2 |