From b094d6c4bf572654a031ecc4afe675154c886dc5 Mon Sep 17 00:00:00 2001 From: Jing Yu Date: Thu, 22 Jul 2010 14:03:48 -0700 Subject: commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master. The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887 --- gcc-4.4.3/libgomp/config/posix/ptrlock.h | 66 ++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 gcc-4.4.3/libgomp/config/posix/ptrlock.h (limited to 'gcc-4.4.3/libgomp/config/posix/ptrlock.h') diff --git a/gcc-4.4.3/libgomp/config/posix/ptrlock.h b/gcc-4.4.3/libgomp/config/posix/ptrlock.h new file mode 100644 index 000000000..246e1caac --- /dev/null +++ b/gcc-4.4.3/libgomp/config/posix/ptrlock.h @@ -0,0 +1,66 @@ +/* Copyright (C) 2008, 2009 Free Software Foundation, Inc. + Contributed by Jakub Jelinek . + + 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 General Public License as published by + the Free Software Foundation; either version 3, 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 General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + . */ + +/* This is a Linux specific implementation of a mutex synchronization + mechanism for libgomp. This type is private to the library. This + implementation uses atomic instructions and the futex syscall. */ + +#ifndef GOMP_PTRLOCK_H +#define GOMP_PTRLOCK_H 1 + +typedef struct { void *ptr; gomp_mutex_t lock; } gomp_ptrlock_t; + +static inline void gomp_ptrlock_init (gomp_ptrlock_t *ptrlock, void *ptr) +{ + ptrlock->ptr = ptr; + gomp_mutex_init (&ptrlock->lock); +} + +static inline void *gomp_ptrlock_get (gomp_ptrlock_t *ptrlock) +{ + if (ptrlock->ptr != NULL) + return ptrlock->ptr; + + gomp_mutex_lock (&ptrlock->lock); + if (ptrlock->ptr != NULL) + { + gomp_mutex_unlock (&ptrlock->lock); + return ptrlock->ptr; + } + + return NULL; +} + +static inline void gomp_ptrlock_set (gomp_ptrlock_t *ptrlock, void *ptr) +{ + ptrlock->ptr = ptr; + gomp_mutex_unlock (&ptrlock->lock); +} + +static inline void gomp_ptrlock_destroy (gomp_ptrlock_t *ptrlock) +{ + gomp_mutex_destroy (&ptrlock->lock); +} + +#endif /* GOMP_PTRLOCK_H */ -- cgit v1.2.3