msg_stat_queue

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

msg_stat_queue — Returns information from the message queue data structure

说明

msg_stat_queue(SysvMessageQueue $queue): array|false

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.

参数

queue: The message queue.

返回值

On success, 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 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.

Returns false on failure.

更新日志

版本	说明
8.0.0	`queue` expects a SysvMessageQueue instance now; previously, a resource was expected.

参见

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

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官方地址：https://www.php.net/manual/en/function.msg-stat-queue.php

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msg_stat_queue

说明

参数

返回值

更新日志

参见

User Contributed Notes