/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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@
*/
-#ifndef _KERN_WAIT_QUEUE_H_
-#define _KERN_WAIT_QUEUE_H_
-#include <sys/appleapiopts.h>
+#ifdef KERNEL_PRIVATE
-#ifdef __APPLE_API_PRIVATE
+#ifndef _KERN_WAIT_QUEUE_H_
+#define _KERN_WAIT_QUEUE_H_
+#include <mach/mach_types.h>
#include <mach/sync_policy.h>
#include <mach/kern_return.h> /* for kern_return_t */
#include <kern/kern_types.h> /* for wait_queue_t */
-#ifdef MACH_KERNEL_PRIVATE
+#include <sys/cdefs.h>
+
+#ifdef MACH_KERNEL_PRIVATE
#include <kern/lock.h>
#include <kern/queue.h>
-
+#include <machine/cpu_number.h>
/*
* wait_queue_t
wait_queue_t wait_queue,
event64_t wait_event,
wait_interrupt_t interruptible,
+ uint64_t deadline,
thread_t thread);
/* peek to see which thread would be chosen for a wakeup - but keep on queue */
wait_result_t result,
boolean_t unlock);
-#endif /* MACH_KERNEL_PRIVATE */
+#endif /* MACH_KERNEL_PRIVATE */
+
+__BEGIN_DECLS
-#ifdef __APPLE_API_UNSTABLE
/******** Semi-Public interfaces (not a part of a higher construct) ************/
+extern unsigned int wait_queue_set_size(void);
+extern unsigned int wait_queue_link_size(void);
+
extern kern_return_t wait_queue_init(
wait_queue_t wait_queue,
int policy);
extern wait_queue_set_t wait_queue_set_alloc(
int policy);
+extern kern_return_t wait_queue_set_init(
+ wait_queue_set_t set_queue,
+ int policy);
+
extern kern_return_t wait_queue_set_free(
wait_queue_set_t set_queue);
extern kern_return_t wait_queue_link_free(
wait_queue_link_t link_element);
-#endif /* __APPLE_API_UNSTABLE */
-
-#ifdef __APPLE_API_EVOLVING
-
-extern wait_queue_t wait_queue_alloc(
- int policy);
+extern kern_return_t wait_queue_link(
+ wait_queue_t wait_queue,
+ wait_queue_set_t set_queue);
-extern kern_return_t wait_queue_free(
- wait_queue_t wait_queue);
+extern kern_return_t wait_queue_link_noalloc(
+ wait_queue_t wait_queue,
+ wait_queue_set_t set_queue,
+ wait_queue_link_t link);
-extern kern_return_t wait_queue_link(
+extern boolean_t wait_queue_member(
wait_queue_t wait_queue,
wait_queue_set_t set_queue);
extern kern_return_t wait_queue_unlink_all(
wait_queue_t wait_queue);
+extern kern_return_t wait_queue_unlinkall_nofree(
+ wait_queue_t wait_queue);
+
extern kern_return_t wait_queue_set_unlink_all(
wait_queue_set_t set_queue);
+/* legacy API */
+kern_return_t wait_queue_sub_init(
+ wait_queue_set_t set_queue,
+ int policy);
+
+kern_return_t wait_queue_sub_clearrefs(
+ wait_queue_set_t wq_set);
+
+extern kern_return_t wait_subqueue_unlink_all(
+ wait_queue_set_t set_queue);
+
+extern wait_queue_t wait_queue_alloc(
+ int policy);
+
+extern kern_return_t wait_queue_free(
+ wait_queue_t wait_queue);
+
/* assert intent to wait on <wait_queue,event64> pair */
extern wait_result_t wait_queue_assert_wait64(
wait_queue_t wait_queue,
event64_t wait_event,
- wait_interrupt_t interruptible);
+ wait_interrupt_t interruptible,
+ uint64_t deadline);
/* wakeup the most appropriate thread waiting on <wait_queue,event64> pair */
extern kern_return_t wait_queue_wakeup64_one(
thread_t thread,
wait_result_t result);
-#endif /* __APPLE_API_EVOLVING */
-
/*
* Compatibility Wait Queue APIs based on pointer events instead of 64bit
* integer events.
extern wait_result_t wait_queue_assert_wait(
wait_queue_t wait_queue,
event_t wait_event,
- wait_interrupt_t interruptible);
+ wait_interrupt_t interruptible,
+ uint64_t deadline);
/* wakeup the most appropriate thread waiting on <wait_queue,event> pair */
extern kern_return_t wait_queue_wakeup_one(
thread_t thread,
wait_result_t result);
-#endif /* __APPLE_API_PRIVATE */
+__END_DECLS
+
+#endif /* _KERN_WAIT_QUEUE_H_ */
-#endif /* _KERN_WAIT_QUEUE_H_ */
+#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff