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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / msgget.c

/* Copyright (C) 1995-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <sys/msg.h>
#include <ipc_priv.h>
#include <sysdep.h>
#include <errno.h>

/* Return descriptor for message queue associated with KEY.  The MSGFLG
   parameter describes how to proceed with clashing of key values.  */

int
msgget (key_t key, int msgflg)
{
#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
  return INLINE_SYSCALL_CALL (msgget, key, msgflg);
#else
  return INLINE_SYSCALL_CALL (ipc, IPCOP_msgget, key, msgflg, 0, NULL);
#endif
}