X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..6601e61aa18bf4f09af135ff61fc7f4771d23b06:/osfmk/kern/wait_queue.h diff --git a/osfmk/kern/wait_queue.h b/osfmk/kern/wait_queue.h index 40955cb27..6315e9e3a 100644 --- a/osfmk/kern/wait_queue.h +++ b/osfmk/kern/wait_queue.h @@ -1,44 +1,43 @@ /* - * 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. + * 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. 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 + * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and - * limitations under the License. + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the + * License for the specific language governing rights and limitations + * under the License. * * @APPLE_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 +171,8 @@ __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 +216,15 @@ __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 +232,10 @@ 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 +245,16 @@ 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 +265,35 @@ 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 +314,6 @@ 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 +323,8 @@ 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 +345,8 @@ 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 */