glibc/sysdeps/unix/sysv/linux/shmget.c

36 lines
1.3 KiB
C

/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 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
<https://www.gnu.org/licenses/>. */
#include <sys/msg.h>
#include <ipc_priv.h>
#include <sysdep.h>
#include <errno.h>
/* Return an identifier for an shared memory segment of at least size SIZE
which is associated with KEY. */
int
shmget (key_t key, size_t size, int shmflg)
{
#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
return INLINE_SYSCALL_CALL (shmget, key, size, shmflg, NULL);
#else
return INLINE_SYSCALL_CALL (ipc, IPCOP_shmget, key, size, shmflg, NULL);
#endif
}