X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c0fea4742e91338fffdcf79f86a7c1d5e2b97eb1..b7266188b87f3620ec3f9f717e57194a7dd989fe:/bsd/sys/time.h diff --git a/bsd/sys/time.h b/bsd/sys/time.h index 2801abed4..732d1ae76 100644 --- a/bsd/sys/time.h +++ b/bsd/sys/time.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 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@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* @@ -60,6 +66,28 @@ #include #include +#ifdef KERNEL +#include /* user_time_t */ +#endif /* KERNEL */ + +/* + * [XSI] The fd_set type shall be defined as described in . + * The timespec structure shall be defined as described in + */ +#define __need_fd_set +#define __need_struct_timespec +#define __need_struct_timeval +#ifdef KERNEL +#define __need_struct_user_timespec +#define __need_struct_user32_timespec +#define __need_struct_user64_timespec +#define __need_struct_user_timeval +#define __need_struct_user32_timeval +#define __need_struct_user64_timeval +#define __need_struct_user32_itimerval +#define __need_struct_user64_itimerval +#endif /* KERNEL */ +#include #ifndef _TIME_T #define _TIME_T @@ -71,19 +99,6 @@ typedef __darwin_time_t time_t; typedef __darwin_suseconds_t suseconds_t; #endif - -/* - * Structure returned by gettimeofday(2) system call, - * and used in other calls. - */ -#ifndef _TIMEVAL -#define _TIMEVAL -struct timeval { - time_t tv_sec; /* seconds */ - suseconds_t tv_usec; /* and microseconds */ -}; -#endif /* _TIMEVAL */ - /* * Structure used as a parameter by getitimer(2) and setitimer(2) system * calls. @@ -101,16 +116,6 @@ struct itimerval { #define ITIMER_VIRTUAL 1 #define ITIMER_PROF 2 - -/* - * [XSI] The fd_set type shall be defined as described in . - * - * Note: We use _FD_SET to protect all select related - * types and macros - */ -#ifndef _FD_SET -#define _FD_SET - /* * Select uses bit masks of file descriptors in longs. These macros * manipulate such bit fields (the filesystem macros use chars). The @@ -118,90 +123,26 @@ struct itimerval { * the default size. */ #ifndef FD_SETSIZE -#define FD_SETSIZE 1024 -#endif - -#define __DARWIN_NBBY 8 /* bits in a byte */ -#define __DARWIN_NFDBITS (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */ -#define __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y)) /* # y's == x bits? */ - -__BEGIN_DECLS -typedef struct fd_set { - __int32_t fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)]; -} fd_set; -__END_DECLS - -#define FD_SET(n, p) ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS))) -#define FD_CLR(n, p) ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS))) -#define FD_ISSET(n, p) ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS))) -#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3 -/* - * Use the built-in bzero function instead of the library version so that - * we do not pollute the namespace or introduce prototype warnings. - */ -#define FD_ZERO(p) __builtin_bzero(p, sizeof(*(p))) -#else -#define FD_ZERO(p) bzero(p, sizeof(*(p))) -#endif -#ifndef _POSIX_C_SOURCE -#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) -#endif /* !_POSIX_C_SOURCE */ - -#endif /* !_FD_SET */ - - -#ifndef _POSIX_C_SOURCE -/* - * Structure defined by POSIX.4 to be like a timeval. - */ -#ifndef _TIMESPEC -#define _TIMESPEC -struct timespec { - time_t tv_sec; /* seconds */ - long tv_nsec; /* and nanoseconds */ -}; - -#ifdef KERNEL -// LP64todo - should this move? -#include /* user_time_t */ - -/* LP64 version of struct timespec. time_t is a long and must grow when - * we're dealing with a 64-bit process. - * WARNING - keep in sync with struct timespec - */ -struct user_timespec { - user_time_t tv_sec; /* seconds */ - int32_t tv_nsec __attribute((aligned(8))); /* and nanoseconds */ -}; - -#endif -#endif - - -#ifdef KERNEL -#ifndef _USERTIMEVAL -#define _USERTIMEVAL - -#include /* user_time_t */ -/* - * LP64 version of struct timeval. time_t is a long and must grow when - * we're dealing with a 64-bit process. - * WARNING - keep in sync with struct timeval - */ - -struct user_timeval { - user_time_t tv_sec; /* seconds */ - suseconds_t tv_usec __attribute((aligned(8))); /* and microseconds */ -}; - -struct user_itimerval { - struct user_timeval it_interval; /* timer interval */ - struct user_timeval it_value; /* current value */ -}; - -#endif -#endif // KERNEL - +#define FD_SETSIZE __DARWIN_FD_SETSIZE +#endif /* FD_SETSIZE */ +#ifndef FD_SET +#define FD_SET(n, p) __DARWIN_FD_SET(n, p) +#endif /* FD_SET */ +#ifndef FD_CLR +#define FD_CLR(n,p) __DARWIN_FD_CLR(n, p) +#endif /* FD_CLR */ +#ifndef FD_ISSET +#define FD_ISSET(n, p) __DARWIN_FD_ISSET(n, p) +#endif /* FD_ISSET */ +#ifndef FD_ZERO +#define FD_ZERO(p) __DARWIN_FD_ZERO(p) +#endif /* FD_ZERO */ + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) + +#ifndef FD_COPY +#define FD_COPY(f, t) __DARWIN_FD_COPY(f, t) +#endif /* FD_COPY */ #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ (ts)->tv_sec = (tv)->tv_sec; \ @@ -262,12 +203,11 @@ struct clockinfo { int stathz; /* statistics clock frequency */ int profhz; /* profiling clock frequency */ }; -#endif /* ! _POSIX_C_SOURCE */ - +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #ifdef KERNEL -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) __BEGIN_DECLS void microtime(struct timeval *tv); void microuptime(struct timeval *tv); @@ -282,31 +222,33 @@ void timevalsub(struct timeval *t1, struct timeval *t2); void timevalfix(struct timeval *t1); #ifdef BSD_KERNEL_PRIVATE time_t boottime_sec(void); -void inittodr(time_t base); -int itimerfix(struct timeval *tv); -int itimerdecr(struct itimerval *itp, int usec); +void inittodr(time_t base) __attribute__((section("__TEXT, initcode"))); #endif /* BSD_KERNEL_PRIVATE */ __END_DECLS -#endif /* ! _POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #else /* !KERNEL */ -__BEGIN_DECLS - -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #include +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +__BEGIN_DECLS + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) int adjtime(const struct timeval *, struct timeval *); int futimes(int, const struct timeval *); +int lutimes(const char *, const struct timeval *); int settimeofday(const struct timeval *, const struct timezone *); -#endif /* ! _POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ int getitimer(int, struct itimerval *); -int gettimeofday(struct timeval * __restrict, struct timezone * __restrict); -int select(int, fd_set * __restrict, fd_set * __restrict, - fd_set * __restrict, struct timeval * __restrict); +int gettimeofday(struct timeval * __restrict, void * __restrict); + +#include /* select() prototype */ + int setitimer(int, const struct itimerval * __restrict, struct itimerval * __restrict); int utimes(const char *, const struct timeval *);