xnu-2050.24.15.tar.gz

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

diff --git a/osfmk/kern/timer_call.h b/osfmk/kern/timer_call.h
index 5d49861dfa1544e5794858a0ad28a0f5300f6a12..1f9370b1ef84ed917bdbef3f3a325cd49ec93296 100644 (file)
--- a/osfmk/kern/timer_call.h
+++ b/osfmk/kern/timer_call.h
@@ -1,17 +1,19 @@
 /*
- * Copyright (c) 1993-1995, 1999-2000 Apple Computer, Inc.
- * All rights reserved.
+ * Copyright (c) 1993-1995, 1999-2008 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
@@ -21,15 +23,10 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Declarations for timer interrupt callouts.
- *
- * HISTORY
- *
- * 20 December 2000 (debo)
- *     Created.
  */
 
 #ifndef _KERN_TIMER_CALL_H_
@@ -39,48 +36,52 @@
 
 #ifdef MACH_KERNEL_PRIVATE
 
-typedef struct call_entry      *timer_call_t;
+#include <kern/call_entry.h>
+
+/*
+ * NOTE: for now, bsd/dev/dtrace/dtrace_glue.c has its own definition
+ * of this data structure, and the two had better match.
+ */
+typedef struct timer_call {
+       struct call_entry       call_entry;
+       decl_simple_lock_data( ,lock);          /* protects call_entry queue */
+       uint64_t                soft_deadline;
+       uint32_t                flags;
+       boolean_t               async_dequeue;  /* this field is protected by
+                                                  call_entry queue's lock */
+       uint64_t                ttd; /* Time to deadline at creation */
+} *timer_call_t;
+
 typedef void                           *timer_call_param_t;
 typedef void                           (*timer_call_func_t)(
                                                                        timer_call_param_t              param0,
                                                                        timer_call_param_t              param1);
+#define TIMER_CALL_CRITICAL    0x01
+#define TIMER_CALL_LOCAL       0x02
+extern boolean_t       timer_call_enter(
+                                               timer_call_t    call,
+                                               uint64_t        deadline,
+                                               uint32_t        flags);
 
-boolean_t
-timer_call_enter(
-       timer_call_t                    call,
-       uint64_t                                deadline);
-
-boolean_t
-timer_call_enter1(
-       timer_call_t                    call,
-       timer_call_param_t              param1,
-       uint64_t                                deadline);
+extern boolean_t       timer_call_enter1(
+                                               timer_call_t            call,
+                                               timer_call_param_t      param1,
+                                               uint64_t                deadline,
+                                               uint32_t                flags);
 
-boolean_t
-timer_call_cancel(
-       timer_call_t                    call);
-
-boolean_t
-timer_call_is_delayed(
-       timer_call_t                    call,
-       uint64_t                                *deadline);
-
-#include <kern/call_entry.h>
+extern boolean_t       timer_call_cancel(
+                                               timer_call_t    call);
 
-typedef struct call_entry      timer_call_data_t;
+typedef struct timer_call      timer_call_data_t;
 
-void
-timer_call_initialize(void);
+extern void            timer_call_initialize(void);
 
-void
-timer_call_setup(
-       timer_call_t                    call,
-       timer_call_func_t               func,
-       timer_call_param_t              param0);
+extern void            timer_call_initialize_queue(mpqueue_head_t *);
 
-void
-timer_call_shutdown(
-       processor_t                     processor);
+extern void            timer_call_setup(
+                                       timer_call_t            call,
+                                       timer_call_func_t       func,
+                                       timer_call_param_t      param0);
 
 #endif /* MACH_KERNEL_PRIVATE */