diff options
| author | Martin Lucina <mato@kotelna.sk> | 2010-03-09 18:47:31 +0100 |
|---|---|---|
| committer | Martin Lucina <mato@kotelna.sk> | 2010-03-09 18:47:31 +0100 |
| commit | 1aee86408d575d6572b071d7564da7f006d1757e (patch) | |
| tree | 98d54989b5961db8c458017034bfb8f981e98c8f /doc/zmq_msg_init.txt | |
| parent | d790940fd06060c8a2c624b0e41e470ad31ae0d8 (diff) | |
Documentation rewrite
Diffstat (limited to 'doc/zmq_msg_init.txt')
| -rw-r--r-- | doc/zmq_msg_init.txt | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/doc/zmq_msg_init.txt b/doc/zmq_msg_init.txt index b080c18..904dc08 100644 --- a/doc/zmq_msg_init.txt +++ b/doc/zmq_msg_init.txt @@ -4,24 +4,28 @@ zmq_msg_init(3) NAME ---- -zmq_msg_init - initialises empty 0MQ message +zmq_msg_init - initialise empty 0MQ message SYNOPSIS -------- -'int zmq_msg_init (zmq_msg_t *msg);' +*int zmq_msg_init (zmq_msg_t '*msg');* DESCRIPTION ----------- -Initialises 0MQ message zero bytes long. The function is most useful -to initialise a 'zmq_msg_t' structure before receiving a message. +The _zmq_msg_init()_ function shall initialise the message object referenced by +'msg' to represent an empty message. This function is most useful when called +before receiving a message with _zmq_recv()_. + +CAUTION: Never access 'zmq_msg_t' members directly, instead always use the +_zmq_msg_ family of functions. RETURN VALUE ------------ -In case of success the function returns zero. Otherwise it returns -1 and -sets 'errno' to the appropriate value. +The _zmq_msg_init()_ function shall return zero if successful. Otherwise it +shall return -1 and set 'errno' to one of the values defined below. ERRORS @@ -31,24 +35,27 @@ No errors are defined. EXAMPLE ------- +.Receiving a message from a socket ---- zmq_msg_t msg; rc = zmq_msg_init (&msg); assert (rc == 0); -rc = zmq_recv (s, &msg, 0); +rc = zmq_recv (socket, &msg, 0); assert (rc == 0); ---- SEE ALSO -------- -linkzmq:zmq_msg_close[3] linkzmq:zmq_msg_init_size[3] linkzmq:zmq_msg_init_data[3] +linkzmq:zmq_msg_close[3] linkzmq:zmq_msg_data[3] linkzmq:zmq_msg_size[3] +linkzmq:zmq[7] -AUTHOR ------- -Martin Sustrik <sustrik at 250bpm dot com> +AUTHORS +------- +The 0MQ documentation was written by Martin Sustrik <sustrik@250bpm.com> and +Martin Lucina <mato@kotelna.sk>. |