mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-19 11:30:06 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/* System-dependent timing definitions. Linux/IA64 version.
|
|
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
/*
|
|
* Never include this file directly; use <time.h> instead.
|
|
*/
|
|
|
|
#ifndef __need_timeval
|
|
# ifndef _BITS_TIME_H
|
|
# define _BITS_TIME_H 1
|
|
|
|
/* ISO/IEC 9899:1990 7.12.1: <time.h>
|
|
The macro `CLOCKS_PER_SEC' is the number per second of the value
|
|
returned by the `clock' function. */
|
|
/* CAE XSH, Issue 4, Version 2: <time.h>
|
|
The value of CLOCKS_PER_SEC is required to be 1 million on all
|
|
XSI-conformant systems. */
|
|
# define CLOCKS_PER_SEC 1000000l
|
|
|
|
# if !defined __STRICT_ANSI__ && !defined __USE_XOPEN2K
|
|
/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
|
|
presents the real value for clock ticks per second for the system. */
|
|
# include <bits/types.h>
|
|
extern long int __sysconf (int);
|
|
# define CLK_TCK ((__clock_t) __sysconf (2)) /* 2 is _SC_CLK_TCK */
|
|
# endif
|
|
|
|
# ifdef __USE_POSIX199309
|
|
/* Identifier for system-wide realtime clock. */
|
|
# define CLOCK_REALTIME 0
|
|
/* High-resolution timer from the CPU. */
|
|
# define CLOCK_PROCESS_CPUTIME_ID 2
|
|
/* Thread-specific CPU-time clock. */
|
|
# define CLOCK_THREAD_CPUTIME_ID 3
|
|
|
|
/* Flag to indicate time is absolute. */
|
|
# define TIMER_ABSTIME 1
|
|
# endif
|
|
|
|
# endif /* bits/time.h */
|
|
#endif
|
|
|
|
#ifdef __need_timeval
|
|
# undef __need_timeval
|
|
# ifndef _STRUCT_TIMEVAL
|
|
# define _STRUCT_TIMEVAL 1
|
|
# include <bits/types.h>
|
|
|
|
/* A time value that is accurate to the nearest
|
|
microsecond but also has a range of years. */
|
|
struct timeval
|
|
{
|
|
__time_t tv_sec; /* Seconds. */
|
|
__suseconds_t tv_usec; /* Microseconds. */
|
|
};
|
|
# endif /* struct timeval */
|
|
#endif /* need timeval */
|