xnu-7195.101.1.tar.gz

[apple/xnu.git] / osfmk / kern / affinity.h

diff --git a/osfmk/kern/affinity.h b/osfmk/kern/affinity.h
index e634e71228b834dd6106b9eb767c5152b0e15e2f..6c1cb2d476b87b0eb44b31d54fd2d633e64f6250 100644 (file)
--- a/osfmk/kern/affinity.h
+++ b/osfmk/kern/affinity.h
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2008 Apple 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
@@ -11,10 +11,10 @@
  * 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,
@@ -22,15 +22,19 @@
  * 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@
  */
-#ifndef        _KERN_CPU_AFFINITY_H_
-#define        _KERN_CPU_AFFINITY_H_
+
+#ifdef  XNU_KERNEL_PRIVATE
+
+#ifndef _KERN_AFFINITY_H_
+#define _KERN_AFFINITY_H_
+
+#ifdef  MACH_KERNEL_PRIVATE
 
 #include <kern/queue.h>
 #include <kern/processor.h>
-#include <kern/lock.h>
 
 /*
  * An affinity set object represents a set of threads identified by the user
@@ -40,28 +44,34 @@
  * Affinity sets are used to advise (hint) thread placement.
  */
 struct affinity_set {
-       struct affinity_space *aset_space;      /* namespace */
-       queue_chain_t   aset_affinities;        /* links affinities in group */
-       queue_head_t    aset_threads;           /* threads in affinity set */
-       uint32_t        aset_thread_count;      /* num threads in set */
-       uint32_t        aset_tag;               /* user-assigned tag */
-       uint32_t        aset_num;               /* kernel-assigned affinity */
-       processor_set_t aset_pset;              /* processor set */
+       struct affinity_space *aset_space;      /* namespace */
+       queue_chain_t   aset_affinities;        /* links affinities in group */
+       queue_head_t    aset_threads;           /* threads in affinity set */
+       uint32_t        aset_thread_count;      /* num threads in set */
+       uint32_t        aset_tag;               /* user-assigned tag */
+       uint32_t        aset_num;               /* kernel-assigned affinity */
+       processor_set_t aset_pset;              /* processor set */
 };
 
-extern boolean_t       thread_affinity_is_supported(void);
-extern kern_return_t   thread_affinity_set(thread_t thread, uint32_t tag);
-extern uint32_t                thread_affinity_get(thread_t thread);
-extern void            thread_affinity_dup(thread_t parent, thread_t child);
-extern void            thread_affinity_terminate(thread_t thread);
-extern void            task_affinity_create(
-                                       task_t,
-                                       task_t);
-extern void            task_affinity_deallocate(
-                                       task_t);
-extern kern_return_t   task_affinity_info(
-                                       task_t,
-                                       task_info_t,
-                                       mach_msg_type_number_t  *);
+extern boolean_t        thread_affinity_is_supported(void);
+extern void             thread_affinity_dup(thread_t parent, thread_t child);
+extern void             thread_affinity_terminate(thread_t thread);
+extern void             task_affinity_create(
+       task_t,
+       task_t);
+extern void             task_affinity_deallocate(
+       task_t);
+extern kern_return_t    task_affinity_info(
+       task_t,
+       task_info_t,
+       mach_msg_type_number_t  *);
+
+#endif  /* MACH_KERNEL_PRIVATE */
+
+extern kern_return_t    thread_affinity_set(thread_t thread, uint32_t tag);
+extern uint32_t         thread_affinity_get(thread_t thread);
+extern void             thread_affinity_exec(thread_t thread);
+
+#endif  /* _KERN_AFFINITY_H_ */
 
-#endif /* _KERN_CPU_AFFINITY_H_ */
+#endif  /* XNU_KERNEL_PRIVATE */