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1. Programming
in a single main() function,so need signal handling. Use Posix Message Queue IPC mechanism , can ignore the priority and other linked list message,to implement the scenario:
client:Knock Knock
server:who's there
client: Eric
Server:Eric,Welcome.
client:exit
all process terminated
... (1 Reply)
Discussion started by: ouou
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2. AIX
Hi,
Im new to message queue... I need to move the xml files from the AIX server to the message queue. Please help me out to write the code..
Thanks,
Mohana Krishnan (0 Replies)
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3. Ubuntu
Hello
How can I see the created message queues in the system? (4 Replies)
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4. Programming
Hello !!!!! I have a simple question but i can't find the answer anywhere hope to meet it here.
Why it is a bad idea to pass pointers through message queues ?
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For... (2 Replies)
Discussion started by: qlyine
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5. Programming
Hii can anyone pls tell how to limit the max no of message in a posix message queue. I have made changes in proc/sys/fs/mqueue/msg_max
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6. Solaris
hello, wondering if someone can help me with this.
i have a backed up sendmail queue directory which has some legitimate mail files still in it. i have searched and sorted it and have a text file listing of the exact q* and d* file pairs that contain the legitimate mails. its a text file with a... (2 Replies)
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7. Programming
Hello,
i need to write a message queue "chat server", that should work only localy.
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... (2 Replies)
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8. IP Networking
I am sending and retriving the message to the queue
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9. Programming
hi all,
I'm working on this problem for 2 days. Can somebody tell me that how to delete all message queues from the system ?
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10. UNIX for Advanced & Expert Users
Hi,
I am working closly with unix message queues i have encountered the following -
after creating the Q and start working with it (pushing & pulling) i receive the following stange parameters on the q's -
STIME=no_entry
Qnum=0
CBYTES=4140
when this happens, the Q is disabled (meaning i... (3 Replies)
Discussion started by: kel
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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)
