MQSEND()
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Revision as of 04:05, 30 March 2017 by Yvonne.milne (Talk | contribs)
Contents
Purpose
Send a message to an open message queue
Syntax
MQSEND(<expN>, <expC>)
See Also
JSON_DECODE(), JSON_DECODE_FILE(), JSON_ENCODE(), MQCLOSE(), MQCREATE(), MQCURMSGS(), MQOPEN(), MQRECEIVE(), MQSENDMESSAGE(), MQUNLINK(), XML_DECODE(), XML_ENCODE(), XML_GATHER(), XML_SCATTER()
Description
The MQSEND() function sends a message to an open message queue. The <expN> is the pointer to a queue opened with MQCREATE() or MQOPEN(). The <expC> is the character string message to send. It returns 0 (zero) if the message is sent successfully. If an error occurs and it is unable to send the message, it returns -1 and the ERRNO() function can be checked to determine the error.
The MQCLOSE() function is used to close a queue which has been opened with MQCREATE() or MQOPEN().
Example
// Open up the queue for read/write access mqdes=mqcreate("/myqueue2", 2) if (mqdes < 0) messagebox(strerror()+",errno="+alltrim(str(error()))) return endif // send a message to the queue rc = mqsend(mqdes, "Test message") if (rc < 0) messagebox(strerror()+",errno="+alltrim(str(error()))) return endif mqclose(mqdes)