diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/time.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/time.h | 70 |
1 files changed, 26 insertions, 44 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/time.h b/sysdeps/unix/sysv/linux/bits/time.h index 87eb51f2ed..3df0dfd33a 100644 --- a/sysdeps/unix/sysv/linux/bits/time.h +++ b/sysdeps/unix/sysv/linux/bits/time.h @@ -1,5 +1,5 @@ /* System-dependent timing definitions. Linux version. - Copyright (C) 1996-2016 Free Software Foundation, Inc. + Copyright (C) 1996-2018 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 @@ -20,24 +20,10 @@ * Never include this file directly; use <time.h> instead. */ -#if defined __need_timeval || defined __USE_GNU -# ifndef _STRUCT_TIMEVAL -# define _STRUCT_TIMEVAL 1 -# include <bits/types.h> +#ifndef _BITS_TIME_H +#define _BITS_TIME_H 1 -/* 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 - -#ifndef __need_timeval -# ifndef _BITS_TIME_H -# define _BITS_TIME_H 1 +#include <bits/types.h> /* ISO/IEC 9899:1999 7.23.1: Components of time The macro `CLOCKS_PER_SEC' is an expression with type `clock_t' that is @@ -45,47 +31,46 @@ struct timeval /* 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 ((clock_t) 1000000) +#define CLOCKS_PER_SEC ((__clock_t) 1000000) -# if (!defined __STRICT_ANSI__ || defined __USE_POSIX) \ +#if (!defined __STRICT_ANSI__ || defined __USE_POSIX) \ && !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 +# define CLK_TCK ((__clock_t) __sysconf (2)) /* 2 is _SC_CLK_TCK */ +#endif -# ifdef __USE_POSIX199309 +#ifdef __USE_POSIX199309 /* Identifier for system-wide realtime clock. */ -# define CLOCK_REALTIME 0 +# define CLOCK_REALTIME 0 /* Monotonic system-wide clock. */ -# define CLOCK_MONOTONIC 1 +# define CLOCK_MONOTONIC 1 /* High-resolution timer from the CPU. */ -# define CLOCK_PROCESS_CPUTIME_ID 2 +# define CLOCK_PROCESS_CPUTIME_ID 2 /* Thread-specific CPU-time clock. */ -# define CLOCK_THREAD_CPUTIME_ID 3 +# define CLOCK_THREAD_CPUTIME_ID 3 /* Monotonic system-wide clock, not adjusted for frequency scaling. */ -# define CLOCK_MONOTONIC_RAW 4 +# define CLOCK_MONOTONIC_RAW 4 /* Identifier for system-wide realtime clock, updated only on ticks. */ -# define CLOCK_REALTIME_COARSE 5 +# define CLOCK_REALTIME_COARSE 5 /* Monotonic system-wide clock, updated only on ticks. */ -# define CLOCK_MONOTONIC_COARSE 6 +# define CLOCK_MONOTONIC_COARSE 6 /* Monotonic system-wide clock that includes time spent in suspension. */ -# define CLOCK_BOOTTIME 7 +# define CLOCK_BOOTTIME 7 /* Like CLOCK_REALTIME but also wakes suspended system. */ -# define CLOCK_REALTIME_ALARM 8 +# define CLOCK_REALTIME_ALARM 8 /* Like CLOCK_BOOTTIME but also wakes suspended system. */ -# define CLOCK_BOOTTIME_ALARM 9 +# define CLOCK_BOOTTIME_ALARM 9 /* Like CLOCK_REALTIME but in International Atomic Time. */ -# define CLOCK_TAI 11 +# define CLOCK_TAI 11 /* Flag to indicate time is absolute. */ -# define TIMER_ABSTIME 1 -# endif +# define TIMER_ABSTIME 1 +#endif -# ifdef __USE_GNU -# include <bits/timex.h> +#ifdef __USE_GNU +# include <bits/timex.h> __BEGIN_DECLS @@ -93,9 +78,6 @@ __BEGIN_DECLS extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) __THROW; __END_DECLS -# endif /* use GNU */ - -# endif /* bits/time.h */ -#endif +#endif /* use GNU */ -#undef __need_timeval +#endif /* bits/time.h */ |