MSG_STAT_QUEUE(3) 1 MSG_STAT_QUEUE(3)
msg_stat_queue - Returns information from the message queue data structure
SYNOPSIS
array msg_stat_queue (resource $queue)
DESCRIPTION
msg_stat_queue(3) returns the message queue meta data for the message queue specified by the $queue. This is useful, for example, to deter-
mine which process sent the message that was just received.
PARAMETERS
o $queue
- Message queue resource handle
RETURN VALUES
The return value is an array whose keys and values have the following meanings:
Array structure for msg_stat_queue
+--------------+---------------------------------------------------+
| | |
|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 mes- |
| | sage 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 mes- |
| | sage to the queue. |
| | |
| | |
| msg_lrpid | |
| | |
| | The pid of the process that received the last |
| | message from the queue. |
| | |
+--------------+---------------------------------------------------+
SEE ALSO
msg_remove_queue(3), msg_receive(3), msg_get_queue(3), msg_set_queue(3).
PHP Documentation Group MSG_STAT_QUEUE(3)
