X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..91447636331957f3d9b5ca5b508f07c526b0074d:/bsd/sys/time.h diff --git a/bsd/sys/time.h b/bsd/sys/time.h index a3c667ea0..a7791b3c3 100644 --- a/bsd/sys/time.h +++ b/bsd/sys/time.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * @@ -58,27 +58,147 @@ #ifndef _SYS_TIME_H_ #define _SYS_TIME_H_ -#include +#include +#include + +#ifndef _TIME_T +#define _TIME_T +typedef __darwin_time_t time_t; +#endif + +#ifndef _SUSECONDS_T +#define _SUSECONDS_T +typedef __darwin_suseconds_t suseconds_t; +#endif + -#define getmicrouptime(a) microtime(a) -#define getmicrotime(a) microtime(a) /* * Structure returned by gettimeofday(2) system call, * and used in other calls. */ +#ifndef _TIMEVAL +#define _TIMEVAL struct timeval { - int32_t tv_sec; /* seconds */ - int32_t tv_usec; /* and microseconds */ + 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. + */ +struct itimerval { + struct timeval it_interval; /* timer interval */ + struct timeval it_value; /* current value */ +}; + +/* + * Names of the interval timers, and structure + * defining a timer setting. + */ +#define ITIMER_REAL 0 +#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 + * extra protection here is to permit application redefinition above + * 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 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 + */ +#if __DARWIN_ALIGN_NATURAL +#pragma options align=natural +#endif + +struct user_timeval { + user_time_t tv_sec; /* seconds */ + suseconds_t tv_usec; /* and microseconds */ +}; + +struct user_itimerval { + struct user_timeval it_interval; /* timer interval */ + struct user_timeval it_value; /* current value */ +}; + +/* 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; /* and nanoseconds */ }; +#if __DARWIN_ALIGN_NATURAL +#pragma options align=reset +#endif + +#endif // KERNEL +#endif + #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ (ts)->tv_sec = (tv)->tv_sec; \ (ts)->tv_nsec = (tv)->tv_usec * 1000; \ @@ -100,8 +220,6 @@ struct timezone { #define DST_EET 5 /* Eastern European dst */ #define DST_CAN 6 /* Canada */ -#define time_second time.tv_sec - /* Operations on timevals. */ #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) @@ -128,18 +246,7 @@ struct timezone { } \ } while (0) -/* - * Names of the interval timers, and structure - * defining a timer setting. - */ -#define ITIMER_REAL 0 -#define ITIMER_VIRTUAL 1 -#define ITIMER_PROF 2 - -struct itimerval { - struct timeval it_interval; /* timer interval */ - struct timeval it_value; /* current value */ -}; +#define timevalcmp(l, r, cmp) timercmp(l, r, cmp) /* freebsd */ /* * Getkerninfo clock information structure @@ -151,28 +258,56 @@ struct clockinfo { int stathz; /* statistics clock frequency */ int profhz; /* profiling clock frequency */ }; +#endif /* ! _POSIX_C_SOURCE */ -#include #ifdef KERNEL -int itimerfix __P((struct timeval *tv)); -int itimerdecr __P((struct itimerval *itp, int usec)); -void microtime __P((struct timeval *tv)); + +#ifndef _POSIX_C_SOURCE +__BEGIN_DECLS +void microtime(struct timeval *tv); +void microuptime(struct timeval *tv); +#define getmicrotime(a) microtime(a) +#define getmicrouptime(a) microuptime(a) +void nanotime(struct timespec *ts); +void nanouptime(struct timespec *ts); +#define getnanotime(a) nanotime(a) +#define getnanouptime(a) nanouptime(a) +void timevaladd(struct timeval *t1, struct timeval *t2); +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); +#endif /* BSD_KERNEL_PRIVATE */ + +__END_DECLS + +#endif /* ! _POSIX_C_SOURCE */ + #else /* !KERNEL */ + +__BEGIN_DECLS + +#ifndef _POSIX_C_SOURCE #include -#ifndef _POSIX_SOURCE -#include +int adjtime(const struct timeval *, struct timeval *); +int futimes(int, const struct timeval *); +int settimeofday(const struct timeval *, const struct timezone *); +#endif /* ! _POSIX_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 setitimer(int, const struct itimerval * __restrict, + struct itimerval * __restrict); +int utimes(const char *, const struct timeval *); -__BEGIN_DECLS -int adjtime __P((const struct timeval *, struct timeval *)); -int getitimer __P((int, struct itimerval *)); -int gettimeofday __P((struct timeval *, struct timezone *)); -int setitimer __P((int, const struct itimerval *, struct itimerval *)); -int settimeofday __P((const struct timeval *, const struct timezone *)); -int utimes __P((const char *, const struct timeval *)); __END_DECLS -#endif /* !POSIX */ #endif /* !KERNEL */