gcc/libgomp/config/posix/ptrlock.h
Thomas Schwinge f1f3453e11 libgomp: Now known as the GNU Offloading and Multi Processing Runtime Library.
libgomp/
	* configure.ac: Rename libgomp from "GNU OpenMP Runtime Library"
	to "GNU Offloading and Multi Processing Runtime Library".  Change
	all users.
	* configure: Regenerate.
	* libgomp.texi: Update.
	gcc/
	* doc/install.texi: Update for libgomp being renamed from "GNU
	OpenMP Runtime Library" to "GNU Offloading and Multi Processing
	Runtime Library".
	* doc/sourcebuild.texi: Likewise.
	gcc/fortran/
	* gfortran.texi: Update for libgomp being renamed from "GNU OpenMP
	Runtime Library" to "GNU Offloading and Multi Processing Runtime
	Library".
	* intrinsic.texi: Likewise.
	libstdc++-v3/
	* doc/xml/manual/parallel_mode.xml: Update for libgomp being
	renamed from "GNU OpenMP Runtime Library" to "GNU Offloading and
	Multi Processing Runtime Library".

Co-Authored-By: David Malcolm <dmalcolm@redhat.com>
Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r219425
2015-01-10 20:10:37 +01:00

67 lines
2.0 KiB
C

/* Copyright (C) 2008-2015 Free Software Foundation, Inc.
Contributed by Jakub Jelinek <jakub@redhat.com>.
This file is part of the GNU Offloading and Multi Processing 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
<http://www.gnu.org/licenses/>. */
/* This is a generic POSIX implementation of a mutex synchronization
mechanism for libgomp. This type is private to the library. */
#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 */