diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/config/linux/sem.h')
-rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/sem.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/sem.h b/gcc-4.2.1-5666.3/libgomp/config/linux/sem.h deleted file mode 100644 index fff0bbded..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/sem.h +++ /dev/null @@ -1,60 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a semaphore synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#ifndef GOMP_SEM_H -#define GOMP_SEM_H 1 - -typedef int gomp_sem_t; - -static inline void gomp_sem_init (gomp_sem_t *sem, int value) -{ - *sem = value; -} - -extern void gomp_sem_wait_slow (gomp_sem_t *); -static inline void gomp_sem_wait (gomp_sem_t *sem) -{ - if (!__sync_bool_compare_and_swap (sem, 1, 0)) - gomp_sem_wait_slow (sem); -} - -extern void gomp_sem_post_slow (gomp_sem_t *); -static inline void gomp_sem_post (gomp_sem_t *sem) -{ - if (!__sync_bool_compare_and_swap (sem, 0, 1)) - gomp_sem_post_slow (sem); -} - -static inline void gomp_sem_destroy (gomp_sem_t *sem) -{ -} - -#endif /* GOMP_SEM_H */ |