X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..4a2492630c73add3c3aa8a805ba4ff343d4a58ea:/osfmk/kern/simple_lock.h

diff --git a/osfmk/kern/simple_lock.h b/osfmk/kern/simple_lock.h
index 7529bb018..af748b256 100644
--- a/osfmk/kern/simple_lock.h
+++ b/osfmk/kern/simple_lock.h
@@ -3,19 +3,22 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -89,6 +92,7 @@
 #include <kern/kern_types.h>
 
 #include <kern/simple_lock_types.h>
+#include <machine/lock.h>
 #include <mach/etap_events.h>
 #include <mach/etap.h>
 
@@ -119,7 +123,12 @@
  *	and use the portable lock package for everything else.
  */
 
-#ifdef MACH_KERNEL_PRIVATE
+#include <sys/appleapiopts.h>
+
+#ifdef	__APPLE_API_PRIVATE
+
+#ifdef	MACH_KERNEL_PRIVATE
+
 /*
  *	Mach always initializes locks, even those statically
  *	allocated.
@@ -140,10 +149,13 @@ extern void			hw_lock_unlock(hw_lock_t);
 extern unsigned int		hw_lock_to(hw_lock_t, unsigned int);
 extern unsigned int		hw_lock_try(hw_lock_t);
 extern unsigned int		hw_lock_held(hw_lock_t);
-#endif /* MACH_KERNEL_PRIVATE */
+
+#endif	/* MACH_KERNEL_PRIVATE */
+
+#endif	/* __APPLE_API_PRIVATE */
 
 /*
- * Machine dependent atomic ops.  Probably should be in their own header.
+ * Machine dependent ops.
  */
 extern unsigned int		hw_lock_bit(unsigned int *, unsigned int, unsigned int);
 extern unsigned int		hw_cpu_sync(unsigned int *, unsigned int);
@@ -151,9 +163,28 @@ extern unsigned int		hw_cpu_wcng(unsigned int *, unsigned int, unsigned int);
 extern unsigned int		hw_lock_mbits(unsigned int *, unsigned int, unsigned int,
 	unsigned int, unsigned int);
 void				hw_unlock_bit(unsigned int *, unsigned int);
-extern int			hw_atomic_add(int *area, int inc);
-extern int			hw_atomic_sub(int *area, int dec);
-extern unsigned int 		hw_compare_and_store(unsigned int oldValue, unsigned int newValue, unsigned int *area);
+
+extern uint32_t		hw_atomic_add(
+						uint32_t	*dest,
+						uint32_t	delt);
+
+extern uint32_t		hw_atomic_sub(
+						uint32_t	*dest,
+						uint32_t	delt);
+
+extern uint32_t		hw_atomic_or(
+						uint32_t	*dest,
+						uint32_t	mask);
+
+extern uint32_t		hw_atomic_and(
+						uint32_t	*dest,
+						uint32_t	mask);
+
+extern uint32_t		hw_compare_and_store(
+						uint32_t	oldval,
+						uint32_t	newval,
+						uint32_t	*dest);
+
 extern void			hw_queue_atomic(unsigned int *anchor, unsigned int *elem, unsigned int disp);
 extern void 			hw_queue_atomic_list(unsigned int *anchor, unsigned int *first, unsigned int *last, unsigned int disp);
 extern unsigned int 		*hw_dequeue_atomic(unsigned int *anchor, unsigned int disp);
@@ -245,7 +276,10 @@ extern void		usimple_lock_none_held(void);
  *	Otherwise, deadlock may result.
  */
 
-#if MACH_KERNEL_PRIVATE
+#ifdef	__APPLE_API_PRIVATE
+
+#ifdef	MACH_KERNEL_PRIVATE
+
 #include <cpus.h>
 #include <mach_ldebug.h>
 
@@ -285,7 +319,9 @@ extern	int	simple_lock_try_no_trace(simple_lock_t l);
 extern	void	simple_unlock_no_trace(simple_lock_t l);
 #endif	/* ETAP_LOCK_TRACE */
 
-#endif /* MACH_KERNEL_PRIVATE */
+#endif	/* MACH_KERNEL_PRIVATE */
+
+#endif	/* __APPLE_API_PRIVATE */
 
 /*
  * If we got to here and we still don't have simple_lock_init
@@ -299,7 +335,9 @@ extern	void	simple_unlock_no_trace(simple_lock_t l);
 #define simple_lock_try(l)	usimple_lock_try(l)
 #define simple_lock_addr(l)	(&(l))
 #define	__slock_held_func__(l)	usimple_lock_held(l)
-#endif / * !defined(simple_lock_init) */
+#define thread_sleep_simple_lock(l, e, i) \
+				thread_sleep_usimple_lock((l), (e), (i))
+#endif /* !defined(simple_lock_init) */
 
 #if	USLOCK_DEBUG
 /*
@@ -321,9 +359,12 @@ extern	void	simple_unlock_no_trace(simple_lock_t l);
  */
 #define	simple_lock_held(l)	__slock_held_func__(l)
 #define	check_simple_locks()	usimple_lock_none_held()
+
 #else	/* USLOCK_DEBUG */
+
 #define	simple_lock_held(l)
 #define	check_simple_locks()
+
 #endif	/* USLOCK_DEBUG */
 
 #endif /*!_SIMPLE_LOCK_H_*/