diff options
Diffstat (limited to 'bits/libc-lock.h')
| -rw-r--r-- | bits/libc-lock.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/bits/libc-lock.h b/bits/libc-lock.h deleted file mode 100644 index 3f9c211e0a..0000000000 --- a/bits/libc-lock.h +++ /dev/null @@ -1,138 +0,0 @@ -/* libc-internal interface for mutex locks. Stub version. - Copyright (C) 1996,97,99,2000-2002,2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _BITS_LIBC_LOCK_H -#define _BITS_LIBC_LOCK_H 1 - - -/* Define a lock variable NAME with storage class CLASS. The lock must be - initialized with __libc_lock_init before it can be used (or define it - with __libc_lock_define_initialized, below). Use `extern' for CLASS to - declare a lock defined in another module. In public structure - definitions you must use a pointer to the lock structure (i.e., NAME - begins with a `*'), because its storage size will not be known outside - of libc. */ -#define __libc_lock_define(CLASS,NAME) -#define __libc_lock_define_recursive(CLASS,NAME) -#define __rtld_lock_define_recursive(CLASS,NAME) -#define __libc_rwlock_define(CLASS,NAME) - -/* Define an initialized lock variable NAME with storage class CLASS. */ -#define __libc_lock_define_initialized(CLASS,NAME) -#define __libc_rwlock_define_initialized(CLASS,NAME) - -/* Define an initialized recursive lock variable NAME with storage - class CLASS. */ -#define __libc_lock_define_initialized_recursive(CLASS,NAME) -#define __rtld_lock_define_initialized_recursive(CLASS,NAME) - -/* Initialize the named lock variable, leaving it in a consistent, unlocked - state. */ -#define __libc_lock_init(NAME) -#define __libc_rwlock_init(NAME) - -/* Same as last but this time we initialize a recursive mutex. */ -#define __libc_lock_init_recursive(NAME) -#define __rtld_lock_init_recursive(NAME) - -/* Finalize the named lock variable, which must be locked. It cannot be - used again until __libc_lock_init is called again on it. This must be - called on a lock variable before the containing storage is reused. */ -#define __libc_lock_fini(NAME) -#define __libc_rwlock_fini(NAME) - -/* Finalize recursive named lock. */ -#define __libc_lock_fini_recursive(NAME) - -/* Lock the named lock variable. */ -#define __libc_lock_lock(NAME) -#define __libc_rwlock_rdlock(NAME) -#define __libc_rwlock_wrlock(NAME) - -/* Lock the recursive named lock variable. */ -#define __libc_lock_lock_recursive(NAME) -#define __rtld_lock_lock_recursive(NAME) - -/* Try to lock the named lock variable. */ -#define __libc_lock_trylock(NAME) 0 -#define __libc_rwlock_tryrdlock(NAME) 0 -#define __libc_rwlock_trywrlock(NAME) 0 - -/* Try to lock the recursive named lock variable. */ -#define __libc_lock_trylock_recursive(NAME) 0 - -/* Unlock the named lock variable. */ -#define __libc_lock_unlock(NAME) -#define __libc_rwlock_unlock(NAME) - -/* Unlock the recursive named lock variable. */ -#define __libc_lock_unlock_recursive(NAME) -#define __rtld_lock_unlock_recursive(NAME) - - -/* Define once control variable. */ -#define __libc_once_define(CLASS, NAME) CLASS int NAME = 0 - -/* Call handler iff the first call. */ -#define __libc_once(ONCE_CONTROL, INIT_FUNCTION) \ - do { \ - if ((ONCE_CONTROL) == 0) { \ - INIT_FUNCTION (); \ - (ONCE_CONTROL) = 1; \ - } \ - } while (0) - - -/* Start a critical region with a cleanup function */ -#define __libc_cleanup_region_start(DOIT, FCT, ARG) \ -{ \ - typeof (***(FCT)) *__save_FCT = (DOIT) ? (FCT) : 0; \ - typeof (ARG) __save_ARG = ARG; \ - /* close brace is in __libc_cleanup_region_end below. */ - -/* End a critical region started with __libc_cleanup_region_start. */ -#define __libc_cleanup_region_end(DOIT) \ - if ((DOIT) && __save_FCT != 0) \ - (*__save_FCT)(__save_ARG); \ -} - -/* Sometimes we have to exit the block in the middle. */ -#define __libc_cleanup_end(DOIT) \ - if ((DOIT) && __save_FCT != 0) \ - (*__save_FCT)(__save_ARG); \ - -#define __libc_cleanup_push(fct, arg) __libc_cleanup_region_start (1, fct, arg) -#define __libc_cleanup_pop(execute) __libc_cleanup_region_end (execute) - -/* We need portable names for some of the functions. */ -#define __libc_mutex_unlock - -/* Type for key of thread specific data. */ -typedef int __libc_key_t; - -/* Create key for thread specific data. */ -#define __libc_key_create(KEY,DEST) -1 - -/* Set thread-specific data associated with KEY to VAL. */ -#define __libc_setspecific(KEY,VAL) ((void)0) - -/* Get thread-specific data associated with KEY. */ -#define __libc_getspecific(KEY) 0 - -#endif /* bits/libc-lock.h */ |