diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/semctl.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/semctl.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/sysdeps/unix/sysv/linux/semctl.c b/sysdeps/unix/sysv/linux/semctl.c deleted file mode 100644 index b4bd7d3ca7..0000000000 --- a/sysdeps/unix/sysv/linux/semctl.c +++ /dev/null @@ -1,109 +0,0 @@ -/* Copyright (C) 1995-2017 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/sem.h> -#include <stdarg.h> -#include <ipc_priv.h> -#include <sysdep.h> -#include <shlib-compat.h> -#include <errno.h> - -/* Define a `union semun' suitable for Linux here. */ -union semun -{ - int val; /* value for SETVAL */ - struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */ - unsigned short int *array; /* array for GETALL & SETALL */ - struct seminfo *__buf; /* buffer for IPC_INFO */ -}; - -#ifndef DEFAULT_VERSION -# define DEFAULT_VERSION GLIBC_2_2 -#endif - -int -__new_semctl (int semid, int semnum, int cmd, ...) -{ - union semun arg = { 0 }; - va_list ap; - - /* Get the argument only if required. */ - switch (cmd) - { - case SETVAL: /* arg.val */ - case GETALL: /* arg.array */ - case SETALL: - case IPC_STAT: /* arg.buf */ - case IPC_SET: - case SEM_STAT: - case IPC_INFO: /* arg.__buf */ - case SEM_INFO: - va_start (ap, cmd); - arg = va_arg (ap, union semun); - va_end (ap); - break; - } - -#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS - return INLINE_SYSCALL_CALL (semctl, semid, semnum, cmd | __IPC_64, - arg.array); -#else - return INLINE_SYSCALL_CALL (ipc, IPCOP_semctl, semid, semnum, cmd | __IPC_64, - SEMCTL_ARG_ADDRESS (arg)); -#endif -} -versioned_symbol (libc, __new_semctl, semctl, DEFAULT_VERSION); - - -#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) -/* Since semctl use a variadic argument for semid_ds there is not need to - define and tie the compatibility symbol to the old 'union semun' - definition. */ -int -attribute_compat_text_section -__old_semctl (int semid, int semnum, int cmd, ...) -{ - union semun arg = { 0 }; - va_list ap; - - /* Get the argument only if required. */ - switch (cmd) - { - case SETVAL: /* arg.val */ - case GETALL: /* arg.array */ - case SETALL: - case IPC_STAT: /* arg.buf */ - case IPC_SET: - case SEM_STAT: - case IPC_INFO: /* arg.__buf */ - case SEM_INFO: - va_start (ap, cmd); - arg = va_arg (ap, union semun); - va_end (ap); - break; - } - -# ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS - return INLINE_SYSCALL_CALL (semctl, semid, semnum, cmd, arg.array); -# else - return INLINE_SYSCALL_CALL (ipc, IPCOP_semctl, semid, semnum, cmd, - SEMCTL_ARG_ADDRESS (arg)); -# endif -} -compat_symbol (libc, __old_semctl, semctl, GLIBC_2_0); -#endif |