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1999-07-26 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/clock_getres.c: New file. * sysdeps/generic/clock_gettime.c: New file. * sysdeps/generic/clock_settime.c: New file. * sysdeps/generic/timer_create.c: New file. * sysdeps/generic/timer_delete.c: New file. * sysdeps/generic/timer_getoverr.c: New file. * sysdeps/generic/timer_gettime.c: New file. * sysdeps/generic/timer_settime.c: New file. * sysdeps/generic/bits/time.h: Define __clockid_t, __timer_t, CLOCK_REALTIME, and TIMER_ABSTIME. * sysdeps/mach/hurd/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_TIMERS. * sysdeps/unix/sysv/linux/bits/siginfo.h: Define si_timer1 and si_timer2. * sysdeps/unix/sysv/linux/syscalls.list: Add clock and timer syscalls. * time/Makefile (routines): Add clock_getres, clock_gettime, clock_setres, timer_create, timer_delete, timer_getoverr, timer_gettime, and timer_settime. * time/time.h: Define clockid_t, timer_t, and struct itimerspec for POSIX.1b. Add prototypes for clock and timer functions.
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* System-dependent timing definitions. Linux version.
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Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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* Never include this file directly; use <time.h> instead.
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*/
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#ifndef __need_timeval
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# ifndef _BITS_TIME_H
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# define _BITS_TIME_H 1
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/* ISO/IEC 9899:1990 7.12.1: <time.h>
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The macro `CLOCKS_PER_SEC' is the number per second of the value
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returned by the `clock' function. */
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/* CAE XSH, Issue 4, Version 2: <time.h>
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The value of CLOCKS_PER_SEC is required to be 1 million on all
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XSI-conformant systems. */
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# define CLOCKS_PER_SEC 1000000
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# ifndef __STRICT_ANSI__
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/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
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presents the real value for clock ticks per second for the system. */
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# define CLK_TCK 100
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# endif
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/* Clock ID used in clock and timer functions. */
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typedef int __clockid_t;
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/* Timer ID returned by `timer_create'. */
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typedef int __timer_t;
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# ifdef __USE_POSIX199309
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/* Identifier for system-wide realtime clock. */
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# define CLOCK_REALTIME 0
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/* Flag to indicate time is absolute. */
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# define TIMER_ABSTIME 1
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# endif
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# endif /* bits/time.h */
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#endif
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#ifdef __need_timeval
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# undef __need_timeval
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# ifndef _STRUCT_TIMEVAL
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# define _STRUCT_TIMEVAL 1
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# include <bits/types.h>
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/* A time value that is accurate to the nearest
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microsecond but also has a range of years. */
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struct timeval
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{
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__time_t tv_sec; /* Seconds. */
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__suseconds_t tv_usec; /* Microseconds. */
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};
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# endif /* struct timeval */
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#endif /* need timeval */
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