xnu-2050.22.13.tar.gz

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

diff --git a/osfmk/kern/host_statistics.h b/osfmk/kern/host_statistics.h
index fc6ef23f51d5a0f1fff70e4d188f3d6f8afc5361..efe59d74e58c6bd50e4399045a65be9c1bb51557 100644 (file)
--- a/osfmk/kern/host_statistics.h
+++ b/osfmk/kern/host_statistics.h
@@ -1,14 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple 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@
@@ -33,14 +38,14 @@
 #ifndef        _KERN_HOST_STATISTICS_H_
 #define _KERN_HOST_STATISTICS_H_
 
+#include <libkern/OSAtomic.h>
 #include <mach/vm_statistics.h>
 #include <kern/processor.h>
 
-#define        VM_STAT(event)                                                                  \
-MACRO_BEGIN                                                                                    \
-       disable_preemption();                                                           \
-       PROCESSOR_DATA(current_processor(), vm_stat).event;     \
-       enable_preemption();                                                            \
+
+#define VM_STAT_INCR(event)                                                                    \
+MACRO_BEGIN                                                                                    \
+       OSAddAtomic64(1, (SInt64 *) (&(PROCESSOR_DATA(current_processor(), vm_stat).event)));   \
 MACRO_END
 
 #endif /* _KERN_HOST_STATISTICS_H_ */