xnu-4570.71.2.tar.gz

[apple/xnu.git] / osfmk / mach / thread_switch.h

diff --git a/osfmk/mach/thread_switch.h b/osfmk/mach/thread_switch.h
index 8bd589326f5d6f102a03fd8d569bc694e2479544..abce09f6e145d5ad07798dd24aebb77f251de79e 100644 (file)
--- a/osfmk/mach/thread_switch.h
+++ b/osfmk/mach/thread_switch.h
@@ -1,31 +1,29 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -73,7 +71,14 @@
 #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)
 
 #endif /* _MACH_THREAD_SWITCH_H_ */