1  /* Copyright (C) 2004-2023 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, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <mqueue.h>
      20  #include <stdio.h>
      21  
      22  /* Establish connection between a process and a message queue NAME and
      23     return message queue descriptor or (mqd_t) -1 on error.  OFLAG determines
      24     the type of access used.  If O_CREAT is on OFLAG, the third argument is
      25     taken as a `mode_t', the mode of the created message queue, and the fourth
      26     argument is taken as `struct mq_attr *', pointer to message queue
      27     attributes.  If the fourth argument is NULL, default attributes are
      28     used.  */
      29  mqd_t
      30  __mq_open (const char *name, int oflag, ...)
      31  {
      32    __set_errno (ENOSYS);
      33    return (mqd_t) -1;
      34  }
      35  strong_alias (__mq_open, mq_open);
      36  stub_warning (mq_open)
      37  
      38  mqd_t
      39  __mq_open_2 (const char *name, int oflag)
      40  {
      41    if (oflag & O_CREAT)
      42      __fortify_fail ("invalid mq_open call: O_CREAT without mode and attr");
      43  
      44    return __mq_open (name, oflag);
      45  }
      46  stub_warning (__mq_open_2)