X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..0a7de7458d150b5d4dffc935ba399be265ef0a1a:/osfmk/mach/thread_switch.h

diff --git a/osfmk/mach/thread_switch.h b/osfmk/mach/thread_switch.h
index e03383287..17cccd1b2 100644
--- a/osfmk/mach/thread_switch.h
+++ b/osfmk/mach/thread_switch.h
@@ -1,75 +1,84 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @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.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * 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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
  */
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
- * 
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
+ *
  * Carnegie Mellon requests users of this software to return to
- * 
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
- * 
+ *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
 /*
  */
 
-#ifndef	_MACH_THREAD_SWITCH_H_
-#define	_MACH_THREAD_SWITCH_H_
+#ifndef _MACH_THREAD_SWITCH_H_
+#define _MACH_THREAD_SWITCH_H_
 
 #include <mach/mach_types.h>
 #include <mach/kern_return.h>
 #include <mach/message.h>
+#include <mach/mach_traps.h>
 
 /*
  *	Constant definitions for thread_switch trap.
  */
 
-#define	SWITCH_OPTION_NONE			0
-#define SWITCH_OPTION_DEPRESS		1
-#define SWITCH_OPTION_WAIT			2
+#define SWITCH_OPTION_NONE                      0
+#define SWITCH_OPTION_DEPRESS           1
+#define SWITCH_OPTION_WAIT                      2
+#ifdef PRIVATE
+/* Workqueue should not consider thread blocked, and option_time is in us */
+#define SWITCH_OPTION_DISPATCH_CONTENTION       3
+/* Handoff to lock owner and temporarily grant matching IO throttling policy */
+#define SWITCH_OPTION_OSLOCK_DEPRESS    4
+#define SWITCH_OPTION_OSLOCK_WAIT       5
+#endif /* PRIVATE */
 
-#define valid_switch_option(opt)	(0 <= (opt) && (opt) <= 2)
+#define valid_switch_option(opt)        (0 <= (opt) && (opt) <= 5)
 
-extern kern_return_t	thread_switch(
-							mach_port_name_t	thread_name,
-							int					option,
-							mach_msg_timeout_t	option_time);
-     
-#endif	/* _MACH_THREAD_SWITCH_H_ */
+#endif  /* _MACH_THREAD_SWITCH_H_ */