xnu-517.11.1.tar.gz

[apple/xnu.git] / osfmk / mach / sync_policy.h

diff --git a/osfmk/mach/sync_policy.h b/osfmk/mach/sync_policy.h
index 913ae11bb41bdf9c3141999035977fad18bf5cf9..bca61a6d8d542993323ae5f688f3084aa183a7a6 100644 (file)
--- a/osfmk/mach/sync_policy.h
+++ b/osfmk/mach/sync_policy.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -28,8 +28,29 @@
 
 typedef int sync_policy_t;
 
-#define SYNC_POLICY_FIFO               0
-#define SYNC_POLICY_FIXED_PRIORITY     1
-#define SYNC_POLICY_MAX                        1
+/*
+ *     These options define the wait ordering of the synchronizers
+ */
+#define SYNC_POLICY_FIFO               0x0
+#define SYNC_POLICY_FIXED_PRIORITY     0x1
+#define SYNC_POLICY_REVERSED           0x2
+#define SYNC_POLICY_ORDER_MASK         0x3
+#define SYNC_POLICY_LIFO               (SYNC_POLICY_FIFO|SYNC_POLICY_REVERSED)
+
+/*
+ *     These options provide addition (kernel-private) behaviors
+ */
+#ifdef KERNEL_PRIVATE
+#include <sys/appleapiopts.h>
+
+#ifdef  __APPLE_API_EVOLVING
+
+#define SYNC_POLICY_PREPOST            0x4
+
+#endif  /* __APPLE_API_EVOLVING */
+
+#endif         /* KERNEL_PRIVATE */
+
+#define SYNC_POLICY_MAX                        0x7
 
 #endif         /*_SYNC_POLICY_H_*/