X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..bca245acd4c03fd752d1a45f011ad495e60fe53d:/osfmk/mach/semaphore.h diff --git a/osfmk/mach/semaphore.h b/osfmk/mach/semaphore.h index 8ac6f1963..6c31f21ea 100644 --- a/osfmk/mach/semaphore.h +++ b/osfmk/mach/semaphore.h @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. - * * 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, @@ -19,8 +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@ */ #ifndef _MACH_SEMAPHORE_H_ @@ -46,55 +49,91 @@ * semaphore_t semaphore); */ -extern kern_return_t semaphore_signal (semaphore_t semaphore); -extern kern_return_t semaphore_signal_all (semaphore_t semaphore); -extern kern_return_t semaphore_signal_thread (semaphore_t semaphore, - thread_act_t thread_act); +#include +__BEGIN_DECLS + +extern kern_return_t semaphore_signal(semaphore_t semaphore); +extern kern_return_t semaphore_signal_all(semaphore_t semaphore); + +extern kern_return_t semaphore_wait(semaphore_t semaphore); + +#ifdef KERNEL + +#ifdef __LP64__ + +#ifdef KERNEL_PRIVATE + +extern kern_return_t semaphore_timedwait(semaphore_t semaphore, + mach_timespec_t wait_time); + +#endif /* KERNEL_PRIVATE */ + +#else /* __LP64__ */ + +extern kern_return_t semaphore_timedwait(semaphore_t semaphore, + mach_timespec_t wait_time); + +#endif /* __LP64__ */ + +extern kern_return_t semaphore_wait_deadline(semaphore_t semaphore, + uint64_t deadline); +extern kern_return_t semaphore_wait_noblock(semaphore_t semaphore); + +#ifdef XNU_KERNEL_PRIVATE + +extern kern_return_t semaphore_wait_signal(semaphore_t wait_semaphore, + semaphore_t signal_semaphore); + +extern kern_return_t semaphore_timedwait_signal(semaphore_t wait_semaphore, + semaphore_t signal_semaphore, + mach_timespec_t wait_time); + +extern kern_return_t semaphore_signal_thread(semaphore_t semaphore, + thread_t thread); + +#endif /* XNU_KERNEL_PRIVATE */ + +#else /* KERNEL */ -extern kern_return_t semaphore_wait (semaphore_t semaphore); -extern kern_return_t semaphore_timedwait (semaphore_t semaphore, - mach_timespec_t wait_time); +extern kern_return_t semaphore_timedwait(semaphore_t semaphore, + mach_timespec_t wait_time); -extern kern_return_t semaphore_wait_signal (semaphore_t wait_semaphore, - semaphore_t signal_semaphore); +extern kern_return_t semaphore_timedwait_signal(semaphore_t wait_semaphore, + semaphore_t signal_semaphore, + mach_timespec_t wait_time); -extern kern_return_t semaphore_timedwait_signal(semaphore_t wait_semaphore, - semaphore_t signal_semaphore, - mach_timespec_t wait_time); +extern kern_return_t semaphore_wait_signal(semaphore_t wait_semaphore, + semaphore_t signal_semaphore); -#include +extern kern_return_t semaphore_signal_thread(semaphore_t semaphore, + thread_t thread); -#ifdef __APPLE_API_PRIVATE -#ifdef __APPLE_API_EVOLVING +#endif /* KERNEL */ -#define SEMAPHORE_OPTION_NONE 0x00000000 +__END_DECLS -#define SEMAPHORE_SIGNAL 0x00000001 -#define SEMAPHORE_WAIT 0x00000002 -#define SEMAPHORE_WAIT_ON_SIGNAL 0x00000008 +#ifdef PRIVATE -#define SEMAPHORE_SIGNAL_TIMEOUT 0x00000010 -#define SEMAPHORE_SIGNAL_ALL 0x00000020 -#define SEMAPHORE_SIGNAL_INTERRUPT 0x00000040 /* libmach implements */ -#define SEMAPHORE_SIGNAL_PREPOST 0x00000080 +#define SEMAPHORE_OPTION_NONE 0x00000000 -#define SEMAPHORE_WAIT_TIMEOUT 0x00000100 -#define SEMAPHORE_WAIT_INTERRUPT 0x00000400 /* libmach implements */ +#define SEMAPHORE_SIGNAL 0x00000001 +#define SEMAPHORE_WAIT 0x00000002 +#define SEMAPHORE_WAIT_ON_SIGNAL 0x00000008 -#define SEMAPHORE_TIMEOUT_NOBLOCK 0x00100000 -#define SEMAPHORE_TIMEOUT_RELATIVE 0x00200000 +#define SEMAPHORE_SIGNAL_TIMEOUT 0x00000010 +#define SEMAPHORE_SIGNAL_ALL 0x00000020 +#define SEMAPHORE_SIGNAL_INTERRUPT 0x00000040 /* libmach implements */ +#define SEMAPHORE_SIGNAL_PREPOST 0x00000080 -#define SEMAPHORE_USE_SAVED_RESULT 0x01000000 /* internal use only */ -#define SEMAPHORE_SIGNAL_RELEASE 0x02000000 /* internal use only */ +#define SEMAPHORE_WAIT_TIMEOUT 0x00000100 +#define SEMAPHORE_WAIT_INTERRUPT 0x00000400 /* libmach implements */ -extern kern_return_t semaphore_operator (int options, - semaphore_t wait_semaphore, - semaphore_t signal_semaphore, - thread_act_t thread, - mach_timespec_t wait_time); +#define SEMAPHORE_TIMEOUT_NOBLOCK 0x00100000 +#define SEMAPHORE_TIMEOUT_RELATIVE 0x00200000 -#endif /* __APPLE_API_EVOLVING */ +#define SEMAPHORE_USE_SAVED_RESULT 0x01000000 /* internal use only */ +#define SEMAPHORE_SIGNAL_RELEASE 0x02000000 /* internal use only */ -#endif /* __APPLE_API_PRIVATE */ +#endif /* PRIVATE */ -#endif /* _MACH_SEMAPHORE_H_ */ +#endif /* _MACH_SEMAPHORE_H_ */