X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..7ee9d059c4eecf68ae4f8b0fb99ae2471eda79af:/bsd/sys/semaphore.h diff --git a/bsd/sys/semaphore.h b/bsd/sys/semaphore.h index 75ca1c01d..977655231 100644 --- a/bsd/sys/semaphore.h +++ b/bsd/sys/semaphore.h @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 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 @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* @(#)semaphore.h 1.0 2/29/00 */ @@ -38,21 +41,29 @@ #define _SYS_SEMAPHORE_H_ typedef int sem_t; + /* this should go in limits.h> */ #define SEM_VALUE_MAX 32767 -#define SEM_FAILED -1 +#define SEM_FAILED ((sem_t *)-1) #ifndef KERNEL +#include + +__BEGIN_DECLS int sem_close(sem_t *); int sem_destroy(sem_t *); -int sem_getvalue(sem_t *, int *); +int sem_getvalue(sem_t * __restrict, int * __restrict); int sem_init(sem_t *, int, unsigned int); sem_t * sem_open(const char *, int, ...); int sem_post(sem_t *); int sem_trywait(sem_t *); int sem_unlink(const char *); -int sem_wait(sem_t *); +int sem_wait(sem_t *) __DARWIN_ALIAS_C(sem_wait); +__END_DECLS -#endif /* KERNEL */ +#else /* KERNEL */ +void psem_lock_init(void); +void psem_cache_init(void) __attribute__((section("__TEXT, initcode"))); +#endif /* KERNEL */ #endif /* _SYS_SEMAPHORE_H_ */