forked from luck/tmp_suning_uos_patched
1ad106ca18
clean up the CLOCK_ portions of time.h Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
#ifndef _LINUX_TIME_H
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#define _LINUX_TIME_H
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#include <linux/types.h>
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#ifdef __KERNEL__
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#include <linux/seqlock.h>
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#endif
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#ifndef _STRUCT_TIMESPEC
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#define _STRUCT_TIMESPEC
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struct timespec {
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time_t tv_sec; /* seconds */
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long tv_nsec; /* nanoseconds */
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};
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#endif /* _STRUCT_TIMESPEC */
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struct timeval {
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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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struct timezone {
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int tz_minuteswest; /* minutes west of Greenwich */
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int tz_dsttime; /* type of dst correction */
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};
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#ifdef __KERNEL__
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/* Parameters used to convert the timespec values */
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#define MSEC_PER_SEC (1000L)
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#define USEC_PER_SEC (1000000L)
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#define NSEC_PER_SEC (1000000000L)
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#define NSEC_PER_USEC (1000L)
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static __inline__ int timespec_equal(struct timespec *a, struct timespec *b)
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{
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return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec);
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}
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extern unsigned long mktime(const unsigned int year, const unsigned int mon,
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const unsigned int day, const unsigned int hour,
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const unsigned int min, const unsigned int sec);
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extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec);
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extern struct timespec xtime;
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extern struct timespec wall_to_monotonic;
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extern seqlock_t xtime_lock;
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static inline unsigned long get_seconds(void)
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{
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return xtime.tv_sec;
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}
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struct timespec current_kernel_time(void);
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#define CURRENT_TIME (current_kernel_time())
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#define CURRENT_TIME_SEC ((struct timespec) { xtime.tv_sec, 0 })
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extern void do_gettimeofday(struct timeval *tv);
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extern int do_settimeofday(struct timespec *tv);
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extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz);
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extern void clock_was_set(void); // call when ever the clock is set
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extern int do_posix_clock_monotonic_gettime(struct timespec *tp);
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extern long do_utimes(char __user * filename, struct timeval * times);
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struct itimerval;
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extern int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue);
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extern int do_getitimer(int which, struct itimerval *value);
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extern void getnstimeofday (struct timespec *tv);
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extern void getnstimestamp(struct timespec *ts);
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extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
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#endif /* __KERNEL__ */
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#define NFDBITS __NFDBITS
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#define FD_SETSIZE __FD_SETSIZE
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#define FD_SET(fd,fdsetp) __FD_SET(fd,fdsetp)
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#define FD_CLR(fd,fdsetp) __FD_CLR(fd,fdsetp)
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#define FD_ISSET(fd,fdsetp) __FD_ISSET(fd,fdsetp)
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#define FD_ZERO(fdsetp) __FD_ZERO(fdsetp)
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/*
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* Names of the interval timers, and structure
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* defining a timer setting.
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*/
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#define ITIMER_REAL 0
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#define ITIMER_VIRTUAL 1
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#define ITIMER_PROF 2
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struct itimerspec {
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struct timespec it_interval; /* timer period */
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struct timespec it_value; /* timer expiration */
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};
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struct itimerval {
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struct timeval it_interval; /* timer interval */
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struct timeval it_value; /* current value */
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};
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/*
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* The IDs of the various system clocks (for POSIX.1b interval timers).
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*/
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#define CLOCK_REALTIME 0
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#define CLOCK_MONOTONIC 1
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#define CLOCK_PROCESS_CPUTIME_ID 2
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#define CLOCK_THREAD_CPUTIME_ID 3
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/*
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* The IDs of various hardware clocks
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*/
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#define CLOCK_SGI_CYCLE 10
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#define MAX_CLOCKS 16
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#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
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#define CLOCKS_MONO CLOCK_MONOTONIC
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/*
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* The various flags for setting POSIX.1b interval timers.
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*/
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#define TIMER_ABSTIME 0x01
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#endif
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