mq_getsetattr - Man Page

get/set message queue attributes


#include <mqueue.h>           /* Definition of struct mq_attr */
#include <sys/syscall.h>      /* Definition of SYS_* constants */
#include <unistd.h>

int syscall(SYS_mq_getsetattr, mqd_t mqdes,
            const struct mq_attr *newattr, struct mq_attr *oldattr);


Do not use this system call.

This is the low-level system call used to implement mq_getattr(3) and mq_setattr(3). For an explanation of how this system call operates, see the description of mq_setattr(3).

Conforming to

This interface is nonstandard; avoid its use.


Never call it unless you are writing a C library!

See Also

mq_getattr(3), mq_overview(7)


This page is part of release 5.13 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at

Referenced By

mq_getattr(3), mq_overview(7), syscalls(2).

2021-03-22 Linux Programmer's Manual