rt/mq_open.c

   1 /* Copyright (C) 2004, 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <mqueue.h>
  21 #include <stdio.h>
  22
  23 /* Establish connection between a process and a message queue NAME and
  24    return message queue descriptor or (mqd_t) -1 on error.  OFLAG determines
  25    the type of access used.  If O_CREAT is on OFLAG, the third argument is
  26    taken as a `mode_t', the mode of the created message queue, and the fourth
  27    argument is taken as `struct mq_attr *', pointer to message queue
  28    attributes.  If the fourth argument is NULL, default attributes are
  29    used.  */
  30 mqd_t
  31 __mq_open (const char *name, int oflag, ...)
  32 {
  33   __set_errno (ENOSYS);
  34   return (mqd_t) -1;
  35 }
  36 strong_alias (__mq_open, mq_open);
  37 stub_warning (mq_open)
  38
  39 mqd_t
  40 __mq_open_2 (const char *name, int oflag)
  41 {
  42   if (oflag & O_CREAT)
  43     __fortify_fail ("invalid mq_open call: O_CREAT without mode and attr");
  44
  45   return __mq_open (name, oflag);
  46 }
  47 stub_warning (__mq_open_2)
  48 #include <stub-tag.h>