private/spinlock_private.h

   1 /*
   2  * Copyright (c) 2003, 2013 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
  25  *              All Rights Reserved
  26  *
  27  * Permission to use, copy, modify, and distribute this software and
  28  * its documentation for any purpose and without fee is hereby granted,
  29  * provided that the above copyright notice appears in all copies and
  30  * that both the copyright notice and this permission notice appear in
  31  * supporting documentation.
  32  *
  33  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
  34  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  35  * FOR A PARTICULAR PURPOSE.
  36  *
  37  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
  38  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  39  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
  40  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  41  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  42  *
  43  */
  44 /*
  45  * MkLinux
  46  */
  47
  48 /*
  49  * POSIX Threads - IEEE 1003.1c
  50  */
  51
  52 #ifndef _POSIX_PTHREAD_SPINLOCK_H
  53 #define _POSIX_PTHREAD_SPINLOCK_H
  54
  55 #include <sys/cdefs.h>
  56 #include <mach/mach.h>
  57 #include <libkern/OSAtomic.h>
  58
  59 typedef volatile OSSpinLock pthread_lock_t __deprecated_msg("Use <os/lock.h> instead");
  60
  61 #define LOCK_INIT(l) ((l) = OS_SPINLOCK_INIT)
  62 #define LOCK_INITIALIZER OS_SPINLOCK_INIT
  63
  64 #define _DO_SPINLOCK_LOCK(v) OSSpinLockLock(v)
  65 #define _DO_SPINLOCK_UNLOCK(v) OSSpinLockUnlock(v)
  66
  67 #define TRY_LOCK(v) OSSpinLockTry((volatile OSSpinLock *)&(v))
  68 #define LOCK(v) OSSpinLockLock((volatile OSSpinLock *)&(v))
  69 #define UNLOCK(v) OSSpinLockUnlock((volatile OSSpinLock *)&(v))
  70
  71 extern void _spin_lock(pthread_lock_t *lockp) __deprecated_msg("Use <os/lock.h> instead");
  72 extern int _spin_lock_try(pthread_lock_t *lockp) __deprecated_msg("Use <os/lock.h> instead");
  73 extern void _spin_unlock(pthread_lock_t *lockp) __deprecated_msg("Use <os/lock.h> instead");
  74
  75 extern void spin_lock(pthread_lock_t *lockp) __deprecated_msg("Use <os/lock.h> instead");
  76 extern int spin_lock_try(pthread_lock_t *lockp) __deprecated_msg("Use <os/lock.h> instead");
  77 extern void spin_unlock(pthread_lock_t *lockp) __deprecated_msg("Use <os/lock.h> instead");
  78
  79 #endif /* _POSIX_PTHREAD_SPINLOCK_H */