X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..8f6c56a50524aa785f7e596d52dddfb331e18961:/osfmk/kern/wait_queue.h diff --git a/osfmk/kern/wait_queue.h b/osfmk/kern/wait_queue.h index 40955cb27..560b25325 100644 --- a/osfmk/kern/wait_queue.h +++ b/osfmk/kern/wait_queue.h @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, 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 @@ -20,25 +23,27 @@ * 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 +#ifdef KERNEL_PRIVATE -#ifdef __APPLE_API_PRIVATE +#ifndef _KERN_WAIT_QUEUE_H_ +#define _KERN_WAIT_QUEUE_H_ +#include #include #include /* for kern_return_t */ #include /* for wait_queue_t */ -#ifdef MACH_KERNEL_PRIVATE +#include + +#ifdef MACH_KERNEL_PRIVATE #include #include - +#include /* * wait_queue_t @@ -172,7 +177,8 @@ __private_extern__ wait_result_t wait_queue_assert_wait64_locked( wait_queue_t wait_queue, event64_t wait_event, wait_interrupt_t interruptible, - boolean_t unlock); + uint64_t deadline, + thread_t thread); /* peek to see which thread would be chosen for a wakeup - but keep on queue */ __private_extern__ void wait_queue_peek64_locked( @@ -216,11 +222,15 @@ __private_extern__ kern_return_t wait_queue_wakeup64_thread_locked( 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); @@ -228,6 +238,10 @@ extern kern_return_t wait_queue_init( 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); @@ -237,17 +251,16 @@ extern wait_queue_link_t wait_queue_link_alloc( 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); @@ -258,14 +271,35 @@ extern kern_return_t wait_queue_unlink( 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 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 pair */ extern kern_return_t wait_queue_wakeup64_one( @@ -286,8 +320,6 @@ extern kern_return_t wait_queue_wakeup64_thread( thread_t thread, wait_result_t result); -#endif /* __APPLE_API_EVOLVING */ - /* * Compatibility Wait Queue APIs based on pointer events instead of 64bit * integer events. @@ -297,7 +329,8 @@ extern kern_return_t wait_queue_wakeup64_thread( 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 pair */ extern kern_return_t wait_queue_wakeup_one( @@ -318,6 +351,8 @@ extern kern_return_t wait_queue_wakeup_thread( 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 */