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msg_stat_queue - Returns information from the message queue data structure
Вернуться к: Semaphore Функции
msg_stat_queue
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
msg_stat_queue — Returns information from the message queue data structure
Описание
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.
Список параметров
-
queue
-
Message queue resource handle
Возвращаемые значения
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. |
Смотрите также
- msg_remove_queue() - Destroy a message queue
- msg_receive() - Receive a message from a message queue
- msg_get_queue() - Create or attach to a message queue
- msg_set_queue() - Set information in the message queue data structure
Вернуться к: Semaphore Функции