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Should mutexes be used to ensure concurrency, while using POSIX message queues?

By : Justin Strachan
Date : October 16 2020, 11:12 PM
fixed the issue. Will look into that further This is similar to Is msgsnd() thread- and/or process-safe? . The short answer is - it's already thread-safe, so there's no need to use mutexes.
code :

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POSIX Message queues, errno 90, message too long

By : Tamás Oláh
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , If you read the mq_receive manual page you will will see that EMSGSIZE means

What have you used sysv/posix message queues for?

By : salokcin
Date : October 20 2020, 11:12 PM
Hope this helps I had a series of commands that needed to be executed in order, but the main program flow did not depend on their completion so I queued them up and passed them to another process via a System V message queue to be executed independently of the main program. Since message queues provide an asynchronous communications protocol, they were a good fit for this task.
To be honest, I used System V message queues because I had never used them before and I wanted to. I'm sure there are other IPC methods I could have used.

Alternative to POSIX message queues

By : Habib Salihijo
Date : March 29 2020, 07:55 AM
around this issue One thing you can try is to see whether you can go by using a unix domain datagram sockets instead of posix message queues, in particular SOC_SEQPACKET variety of those:

POSIX message queues folder

By : Wiesław Dudek
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I've been working remotely with POSIX message queues for some days. Now I want to do it in my own PC but I've found that there's no /dev/mqueue folders where queues are created; which means that I don't know where they are (of whether there are or not), so I can't access there to delete them in case of an unexpected end of my program.

Permission denied when trying to create message queue using POSIX Message Queues

By : monsterfi
Date : September 29 2020, 06:00 AM
fixed the issue. Will look into that further From the man page:
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