diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/shmctl.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/shmctl.c | 61 |
1 files changed, 28 insertions, 33 deletions
diff --git a/sysdeps/unix/sysv/linux/shmctl.c b/sysdeps/unix/sysv/linux/shmctl.c index b2caf7543b..25c5152944 100644 --- a/sysdeps/unix/sysv/linux/shmctl.c +++ b/sysdeps/unix/sysv/linux/shmctl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995-2016 Free Software Foundation, Inc. +/* 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. @@ -16,18 +16,34 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> #include <sys/shm.h> +#include <stdarg.h> #include <ipc_priv.h> - #include <sysdep.h> -#include <string.h> -#include <sys/syscall.h> -#include <bits/wordsize.h> #include <shlib-compat.h> +#include <errno.h> + + +#ifndef DEFAULT_VERSION +# define DEFAULT_VERSION GLIBC_2_2 +#endif -#include <kernel-features.h> +/* Provide operations to control over shared memory segments. */ +int +__new_shmctl (int shmid, int cmd, struct shmid_ds *buf) +{ +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (shmctl, shmid, cmd | __IPC_64, buf); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, + buf); +#endif +} +versioned_symbol (libc, __new_shmctl, shmctl, DEFAULT_VERSION); + + +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) struct __old_shmid_ds { struct __old_ipc_perm shm_perm; /* operation permission struct */ @@ -43,36 +59,15 @@ struct __old_shmid_ds struct vm_area_struct *__attaches; /* descriptors for attaches */ }; -struct __old_shminfo -{ - int shmmax; - int shmmin; - int shmmni; - int shmseg; - int shmall; -}; - -/* Provide operations to control over shared memory segments. */ -#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) -int __old_shmctl (int, int, struct __old_shmid_ds *); -#endif -int __new_shmctl (int, int, struct shmid_ds *); - -#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) int attribute_compat_text_section __old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf) { - return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf); +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (shmctl, shmid, cmd, buf); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd, 0, buf); +#endif } compat_symbol (libc, __old_shmctl, shmctl, GLIBC_2_0); #endif - -int -__new_shmctl (int shmid, int cmd, struct shmid_ds *buf) -{ - return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, - buf); -} - -versioned_symbol (libc, __new_shmctl, shmctl, GLIBC_2_2); |