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50a6b4e0e4
this patch add a direct call to shmget syscall if it is supported by kernel features. Checked on x86_64, i686, powerpc64le, aarch64, and armhf. * sysdeps/unix/sysv/linux/alpha/syscalls.list (shmget): Remove. * sysdeps/unix/sysv/linux/arm/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/generic/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/hppa/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/microblaze/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/shmget.c (shmget): Use shmget syscall if it is defined.
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* Copyright (C) 1995-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sys/msg.h>
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#include <ipc_priv.h>
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#include <sysdep.h>
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#include <errno.h>
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/* Return an identifier for an shared memory segment of at least size SIZE
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which is associated with KEY. */
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int
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shmget (key_t key, size_t size, int shmflg)
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{
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#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
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return INLINE_SYSCALL_CALL (shmget, key, size, shmflg, NULL);
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#else
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return INLINE_SYSCALL_CALL (ipc, IPCOP_shmget, key, size, shmflg, NULL);
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#endif
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}
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