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MQ_GETSETATTR(2)           Linux Programmer's Manual          MQ_GETSETATTR(2)

NAME
       mq_getsetattr - get/set message queue attributes
SYNOPSIS
       #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.
DESCRIPTION
       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.
NOTES
       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)
COLOPHON
       This  page  is  part of release 3.53 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

Linux                             2012-07-13                  MQ_GETSETATTR(2)