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Diffstat (limited to 'contrib/libio/config/linuxaxp1-libc-lock.h')
| -rw-r--r-- | contrib/libio/config/linuxaxp1-libc-lock.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/contrib/libio/config/linuxaxp1-libc-lock.h b/contrib/libio/config/linuxaxp1-libc-lock.h deleted file mode 100644 index 2523a0d5157b..000000000000 --- a/contrib/libio/config/linuxaxp1-libc-lock.h +++ /dev/null @@ -1,112 +0,0 @@ -/* libc-internal interface for mutex locks. LinuxThreads version. - Copyright (C) 1996 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 Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _LIBC_LOCK_H -#define _LIBC_LOCK_H 1 - -#include <pthread.h> -#define __libc_lock_t pthread_mutex_t - -/* 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) \ - CLASS __libc_lock_t NAME; - -/* Define an initialized lock variable NAME with storage class CLASS. */ -#define __libc_lock_define_initialized(CLASS,NAME) \ - CLASS __libc_lock_t NAME = PTHREAD_MUTEX_INITIALIZER; - -/* Initialize the named lock variable, leaving it in a consistent, unlocked - state. */ -#define __libc_lock_init(NAME) \ - (__pthread_mutex_init != NULL ? __pthread_mutex_init (&(NAME), NULL) : 0); - -/* Same as last but this time we initialize a recursive mutex. */ -#define __libc_lock_init_recursive(NAME) \ - do { \ - if (__pthread_mutex_init != NULL) \ - { \ - pthread_mutexattr_t __attr; \ - __pthread_mutexattr_init (&__attr); \ - __pthread_mutexattr_setkind_np (&__attr, PTHREAD_MUTEX_RECURSIVE_NP); \ - __pthread_mutex_init (&(NAME), &__attr); \ - __pthread_mutexattr_destroy (&__attr); \ - } \ - } while (0); - -/* 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) \ - (__pthread_mutex_destroy != NULL ? __pthread_mutex_destroy (&(NAME)) : 0); - -/* Lock the named lock variable. */ -#define __libc_lock_lock(NAME) \ - (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (&(NAME)) : 0); - -/* Try to lock the named lock variable. */ -#define __libc_lock_trylock(NAME) \ - (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (&(NAME)) : 0); - -/* Unlock the named lock variable. */ -#define __libc_lock_unlock(NAME) \ - (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (&(NAME)) : 0); - -/* Start critical region with cleanup. */ -#define __libc_cleanup_region_start(FCT, ARG) \ - { struct _pthread_cleanup_buffer _buffer; \ - if (_pthread_cleanup_push_defer != NULL) { \ - _pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \ - } - -/* End critical region with cleanup. */ -#define __libc_cleanup_region_end(DOIT) \ - if (_pthread_cleanup_push_defer != NULL) { \ - _pthread_cleanup_pop_restore (&_buffer, (DOIT)); \ - } \ - } - -/* Make the pthread functions weak so that we can elide them from - single-threaded processes. */ -#pragma weak __pthread_mutex_init -#pragma weak __pthread_mutex_destroy -#pragma weak __pthread_mutex_lock -#pragma weak __pthread_mutex_trylock -#pragma weak __pthread_mutex_unlock -#pragma weak __pthread_mutexattr_init -#pragma weak __pthread_mutexattr_destroy -#pragma weak __pthread_mutexattr_setkind_np -#pragma weak __pthread_key_create -#pragma weak __pthread_setspecific -#pragma weak __pthread_getspecific -#pragma weak __pthread_initialize -#pragma weak _pthread_cleanup_push_defer -#pragma weak _pthread_cleanup_pop_restore - -/* We need portable names for some functions. E.g., when they are - used as argument to __libc_cleanup_region_start. */ -#define __libc_mutex_unlock __pthread_mutex_unlock - -#endif /* libc-lock.h */ - |