diff options
Diffstat (limited to 'include/linux/time.h')
| -rw-r--r-- | include/linux/time.h | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index aded44c48d42..4d49cabb9b47 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -4,7 +4,7 @@ #include <linux/types.h> #ifdef __KERNEL__ -#include <linux/seqlock.h> +# include <linux/seqlock.h> #endif #ifndef _STRUCT_TIMESPEC @@ -13,7 +13,7 @@ struct timespec { time_t tv_sec; /* seconds */ long tv_nsec; /* nanoseconds */ }; -#endif /* _STRUCT_TIMESPEC */ +#endif struct timeval { time_t tv_sec; /* seconds */ @@ -27,16 +27,16 @@ struct timezone { #ifdef __KERNEL__ -/* Parameters used to convert the timespec values */ -#define MSEC_PER_SEC (1000L) -#define USEC_PER_SEC (1000000L) -#define NSEC_PER_SEC (1000000000L) -#define NSEC_PER_USEC (1000L) +/* Parameters used to convert the timespec values: */ +#define MSEC_PER_SEC 1000L +#define USEC_PER_SEC 1000000L +#define NSEC_PER_SEC 1000000000L +#define NSEC_PER_USEC 1000L -static __inline__ int timespec_equal(struct timespec *a, struct timespec *b) -{ +static __inline__ int timespec_equal(struct timespec *a, struct timespec *b) +{ return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec); -} +} extern unsigned long mktime(const unsigned int year, const unsigned int mon, const unsigned int day, const unsigned int hour, @@ -49,25 +49,26 @@ extern struct timespec wall_to_monotonic; extern seqlock_t xtime_lock; static inline unsigned long get_seconds(void) -{ +{ return xtime.tv_sec; } struct timespec current_kernel_time(void); -#define CURRENT_TIME (current_kernel_time()) -#define CURRENT_TIME_SEC ((struct timespec) { xtime.tv_sec, 0 }) +#define CURRENT_TIME (current_kernel_time()) +#define CURRENT_TIME_SEC ((struct timespec) { xtime.tv_sec, 0 }) extern void do_gettimeofday(struct timeval *tv); extern int do_settimeofday(struct timespec *tv); extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz); -extern void clock_was_set(void); // call when ever the clock is set +extern void clock_was_set(void); // call whenever the clock is set extern int do_posix_clock_monotonic_gettime(struct timespec *tp); -extern long do_utimes(char __user * filename, struct timeval * times); +extern long do_utimes(char __user *filename, struct timeval *times); struct itimerval; -extern int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue); +extern int do_setitimer(int which, struct itimerval *value, + struct itimerval *ovalue); extern int do_getitimer(int which, struct itimerval *value); -extern void getnstimeofday (struct timespec *tv); +extern void getnstimeofday(struct timespec *tv); extern void getnstimestamp(struct timespec *ts); extern struct timespec timespec_trunc(struct timespec t, unsigned gran); @@ -84,24 +85,24 @@ extern struct timespec timespec_trunc(struct timespec t, unsigned gran); /* * Names of the interval timers, and structure - * defining a timer setting. + * defining a timer setting: */ -#define ITIMER_REAL 0 -#define ITIMER_VIRTUAL 1 -#define ITIMER_PROF 2 +#define ITIMER_REAL 0 +#define ITIMER_VIRTUAL 1 +#define ITIMER_PROF 2 -struct itimerspec { - struct timespec it_interval; /* timer period */ - struct timespec it_value; /* timer expiration */ +struct itimerspec { + struct timespec it_interval; /* timer period */ + struct timespec it_value; /* timer expiration */ }; -struct itimerval { - struct timeval it_interval; /* timer interval */ - struct timeval it_value; /* current value */ +struct itimerval { + struct timeval it_interval; /* timer interval */ + struct timeval it_value; /* current value */ }; /* - * The IDs of the various system clocks (for POSIX.1b interval timers). + * The IDs of the various system clocks (for POSIX.1b interval timers): */ #define CLOCK_REALTIME 0 #define CLOCK_MONOTONIC 1 @@ -109,7 +110,7 @@ struct itimerval { #define CLOCK_THREAD_CPUTIME_ID 3 /* - * The IDs of various hardware clocks + * The IDs of various hardware clocks: */ #define CLOCK_SGI_CYCLE 10 #define MAX_CLOCKS 16 @@ -117,7 +118,7 @@ struct itimerval { #define CLOCKS_MONO CLOCK_MONOTONIC /* - * The various flags for setting POSIX.1b interval timers. + * The various flags for setting POSIX.1b interval timers: */ #define TIMER_ABSTIME 0x01 |