ObjFW  Diff

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFMacros.h"

#if !defined(OF_THREADS) || (!defined(OF_HAVE_PTHREADS) && !defined(_WIN32))
# error No threads available!
#endif

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_t of_thread_t;
typedef pthread_mutex_t of_mutex_t;
typedef pthread_key_t of_tlskey_t;
#elif defined(_WIN32)
# include <windows.h>
typedef HANDLE of_thread_t;
typedef CRITICAL_SECTION of_mutex_t;
typedef DWORD of_tlskey_t;
#endif

#if defined(OF_ATOMIC_OPS)
# import "atomic.h"
typedef int32_t of_spinlock_t;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
typedef pthread_spinlock_t of_spinlock_t;
#else
typedef pthread_mutex_t of_spinlock_t;
#endif

#endif
}

static OF_INLINE BOOL
of_spinlock_unlock(of_spinlock_t *s)
{
#if defined(OF_ATOMIC_OPS)
	of_atomic_and32((uint32_t*)s, 0);
	return YES;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return (pthread_spin_unlock(s) ? NO : YES);
#else
	return of_mutex_unlock(s);
#endif
}