X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..15129b1c8dbb3650c63b70adb1cad9af601c6c17:/osfmk/mach/thread_policy.h

diff --git a/osfmk/mach/thread_policy.h b/osfmk/mach/thread_policy.h
index ef8c3bf77..a0662cae6 100644
--- a/osfmk/mach/thread_policy.h
+++ b/osfmk/mach/thread_policy.h
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @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
@@ -20,18 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 2000 Apple Computer, Inc.  All rights reserved.
- *
- * HISTORY
- *
- * 10 October 2000 (debo)
- *  Created.
- *
- * 30 November 2000 (debo)
- *	Final resolution of review feedback.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _MACH_THREAD_POLICY_H_
@@ -61,13 +53,13 @@ typedef integer_t	*thread_policy_t;
 
 /*
 kern_return_t	thread_policy_set(
-					thread_act_t				thread,
+					thread_t					thread,
 					thread_policy_flavor_t		flavor,
 					thread_policy_t				policy_info,
 					mach_msg_type_number_t		count);
 
 kern_return_t	thread_policy_get(
-					thread_act_t				thread,
+					thread_t					thread,
 					thread_policy_flavor_t		flavor,
 					thread_policy_t				policy_info,
 					mach_msg_type_number_t		*count,
@@ -121,8 +113,8 @@ struct thread_extended_policy {
 typedef struct thread_extended_policy	thread_extended_policy_data_t;
 typedef struct thread_extended_policy	*thread_extended_policy_t;
 
-#define THREAD_EXTENDED_POLICY_COUNT	\
-	(sizeof (thread_extended_policy_data_t) / sizeof (integer_t))
+#define THREAD_EXTENDED_POLICY_COUNT	((mach_msg_type_number_t) \
+	(sizeof (thread_extended_policy_data_t) / sizeof (integer_t)))
 
 /*
  * THREAD_TIME_CONSTRAINT_POLICY:
@@ -165,8 +157,8 @@ typedef struct thread_time_constraint_policy	\
 typedef struct thread_time_constraint_policy	\
 									*thread_time_constraint_policy_t;
 
-#define THREAD_TIME_CONSTRAINT_POLICY_COUNT	\
-	(sizeof (thread_time_constraint_policy_data_t) / sizeof (integer_t))
+#define THREAD_TIME_CONSTRAINT_POLICY_COUNT	((mach_msg_type_number_t) \
+	(sizeof (thread_time_constraint_policy_data_t) / sizeof (integer_t)))
 
 /*
  * THREAD_PRECEDENCE_POLICY:
@@ -188,7 +180,79 @@ struct thread_precedence_policy {
 typedef struct thread_precedence_policy		thread_precedence_policy_data_t;
 typedef struct thread_precedence_policy		*thread_precedence_policy_t;
 
-#define THREAD_PRECEDENCE_POLICY_COUNT	\
-	(sizeof (thread_precedence_policy_data_t) / sizeof (integer_t))
+#define THREAD_PRECEDENCE_POLICY_COUNT	((mach_msg_type_number_t) \
+	(sizeof (thread_precedence_policy_data_t) / sizeof (integer_t)))
+
+/*
+ * THREAD_AFFINITY_POLICY:
+ *
+ * This policy is experimental.
+ * This may be used to express affinity relationships 
+ * between threads in the task. Threads with the same affinity tag will
+ * be scheduled to share an L2 cache if possible. That is, affinity tags
+ * are a hint to the scheduler for thread placement. 
+ *
+ * The namespace of affinity tags is generally local to one task. However,
+ * a child task created after the assignment of affinity tags by its parent
+ * will share that namespace. In particular, a family of forked processes
+ * may be created with a shared affinity namespace.
+ *
+ * Parameters:
+ * tag: The affinity set identifier.
+ */
+
+#define THREAD_AFFINITY_POLICY		4
+
+struct thread_affinity_policy {
+	integer_t	affinity_tag;
+};
+
+#define THREAD_AFFINITY_TAG_NULL		0
+
+typedef struct thread_affinity_policy		thread_affinity_policy_data_t;
+typedef struct thread_affinity_policy		*thread_affinity_policy_t;
+
+#define THREAD_AFFINITY_POLICY_COUNT	((mach_msg_type_number_t) \
+	(sizeof (thread_affinity_policy_data_t) / sizeof (integer_t)))
+
+/*
+ * THREAD_BACKGROUND_POLICY:
+ */
+
+#define THREAD_BACKGROUND_POLICY	5
+
+struct thread_background_policy {
+	integer_t	priority;
+};
+
+typedef struct thread_background_policy		thread_background_policy_data_t;
+typedef struct thread_background_policy 	*thread_background_policy_t;
+
+#define THREAD_BACKGROUND_POLICY_COUNT	((mach_msg_type_number_t) \
+	(sizeof (thread_background_policy_data_t) / sizeof (integer_t)))
+
+
+
+#ifdef PRIVATE
+
+/*
+ * THREAD_POLICY_STATE:
+ */
+#define THREAD_POLICY_STATE		6
+
+struct thread_policy_state {
+	integer_t requested;
+	integer_t effective;
+	integer_t pending;
+	integer_t reserved[13];
+};
+
+typedef struct thread_policy_state		thread_policy_state_data_t;
+typedef struct thread_policy_state		*thread_policy_state_t;
+
+#define THREAD_POLICY_STATE_COUNT	((mach_msg_type_number_t) \
+	(sizeof (thread_policy_state_data_t) / sizeof (integer_t)))
+
+#endif /* PRIVATE */
 
 #endif	/* _MACH_THREAD_POLICY_H_ */