(PHP 4 >= 4.3.0, PHP 5, PHP 7)
Returns information from the message queue data structure
array msg_stat_queue ( resource $queue )
msg_stat_queue() returns the message queue meta data for the message queue specified by the queue
. This is useful, for example, to determine which process sent the message that was just received.
Parameters:
queue
Message queue resource handle
Returns:
The return value is an array whose keys and values have the following meanings:
msg_perm.uid | The uid of the owner of the queue. |
msg_perm.gid | The gid of the owner of the queue. |
msg_perm.mode | The file access mode of the queue. |
msg_stime | The time that the last message was sent to the queue. |
msg_rtime | The time that the last message was received from the queue. |
msg_ctime | The time that the queue was last changed. |
msg_qnum | The number of messages waiting to be read from the queue. |
msg_qbytes | The maximum number of bytes allowed in one message queue. On Linux, this value may be read and modified via /proc/sys/kernel/msgmnb. |
msg_lspid | The pid of the process that sent the last message to the queue. |
msg_lrpid | The pid of the process that received the last message from the queue. |
See also:
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