mq_getsetattr — get/set message queue attributes


#include <sys/types.h>
#include <mqueue.h>

int mq_getsetattr(mqd_t mqdes, struct mq_attr *newattr,
                 struct mq_attr *oldattr);

Note: There is no glibc wrapper for this system call; see Notes.


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.


Glibc does not provide a wrapper for this system call; call it using syscall(2). (Actually, never call it unless you are writing a C library!)

See Also

mq_getattr(3), mq_overview(7)


This page is part of release 5.04 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).

2017-09-15 Linux Programmer's Manual