xnu-6153.81.5.tar.gz

[apple/xnu.git] / bsd / kern / ast.h

diff --git a/bsd/kern/ast.h b/bsd/kern/ast.h
index f12e3d821f67edc72b73a05bc03f7d9476683607..19183cbbf3749f05c8d4bb1baf42c11d9e86ef5f 100644 (file)
--- a/bsd/kern/ast.h
+++ b/bsd/kern/ast.h
@@ -1,15 +1,20 @@
 /*
  * Copyright (c) 2000 Apple Computer, 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -17,8 +22,8 @@
  * 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* CMU_HIST */
 
@@ -31,8 +36,19 @@
 
 #include <kern/thread.h>
 
-extern void astbsd_on(void);
 extern void act_set_astbsd(thread_t);
 extern void bsd_ast(thread_t);
 
+#define AST_KEVENT_RETURN_TO_KERNEL  0x0001
+#define AST_KEVENT_REDRIVE_THREADREQ 0x0002
+
+extern void kevent_ast(thread_t thread, uint16_t bits);
+extern void act_set_astkevent(thread_t thread, uint16_t bits);
+extern uint16_t act_clear_astkevent(thread_t thread, uint16_t bits);
+extern void act_set_ast_reset_pcs(thread_t thread);
+
+#if CONFIG_DTRACE
+extern void ast_dtrace_on(void);
+#endif
+
 #endif  /* _KERN_AST_H_ */