man2/mq_getsetattr.2

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  26 .TH MQ_GETSETATTR 2 2012-07-13 "Linux" "Linux Programmer's Manual"
  27 .SH NAME
  28 mq_getsetattr \- get/set message queue attributes
  29 .SH SYNOPSIS
  30 .nf
  31 .B #include <sys/types.h>
  32 .B #include <mqueue.h>
  33 .sp
  34 .BI "int mq_getsetattr(mqd_t " mqdes ", struct mq_attr *" newattr ","
  35 .BI "                 struct mq_attr *" oldattr );
  36 .fi
  37
  38 .IR Note :
  39 There is no glibc wrapper for this system call; see NOTES.
  40 .SH DESCRIPTION
  41 Do not use this system call.
  42
  43 This is the low-level system call used to implement
  44 .BR mq_getattr (3)
  45 and
  46 .BR mq_setattr (3).
  47 For an explanation of how this system call operates,
  48 see the description of
  49 .BR mq_setattr (3).
  50 .SH CONFORMING TO
  51 This interface is nonstandard; avoid its use.
  52 .SH NOTES
  53 Glibc does not provide a wrapper for this system call; call it using
  54 .BR syscall (2).
  55 (Actually, never call it unless you are writing a C library!)
  56 .SH SEE ALSO
  57 .BR mq_getattr (3),
  58 .BR mq_overview (7)