/*
- * 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
* 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_
/*
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,
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:
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:
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_ */
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