xnu-3789.51.2.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 300e16e532a245bc5b387a40d17ab2c0dc89d78c..abce09f6e145d5ad07798dd24aebb77f251de79e 100644 (file)
--- a/osfmk/mach/thread_switch.h
+++ b/osfmk/mach/thread_switch.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -66,7 +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_ */