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Semaphore Functions

msg_queue_exists

(No version information available, might be only in CVS)

msg_queue_exists — Check whether a message queue exists

Description

bool msg_queue_exists ( int $key )

Checks whether the message queue key exists.

Parameters

key: Queue key.

Return Values

Returns TRUE on success or FALSE on failure.

See Also

msg_remove_queue() - Destroy a message queue
msg_receive() - Receive a message from a message queue
msg_stat_queue() - Returns information from the message queue data structure

Semaphore Functions