diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/time.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/time.h | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/ANDROID_3.4.5/include/linux/time.h b/ANDROID_3.4.5/include/linux/time.h deleted file mode 100644 index 33a92ead..00000000 --- a/ANDROID_3.4.5/include/linux/time.h +++ /dev/null @@ -1,314 +0,0 @@ -#ifndef _LINUX_TIME_H -#define _LINUX_TIME_H - -#include <linux/types.h> - -#ifdef __KERNEL__ -# include <linux/cache.h> -# include <linux/seqlock.h> -# include <linux/math64.h> -#endif - -#ifndef _STRUCT_TIMESPEC -#define _STRUCT_TIMESPEC -struct timespec { - __kernel_time_t tv_sec; /* seconds */ - long tv_nsec; /* nanoseconds */ -}; -#endif - -struct timeval { - __kernel_time_t tv_sec; /* seconds */ - __kernel_suseconds_t tv_usec; /* microseconds */ -}; - -struct timezone { - int tz_minuteswest; /* minutes west of Greenwich */ - int tz_dsttime; /* type of dst correction */ -}; - -#ifdef __KERNEL__ - -extern struct timezone sys_tz; - -/* Parameters used to convert the timespec values: */ -#define MSEC_PER_SEC 1000L -#define USEC_PER_MSEC 1000L -#define NSEC_PER_USEC 1000L -#define NSEC_PER_MSEC 1000000L -#define USEC_PER_SEC 1000000L -#define NSEC_PER_SEC 1000000000L -#define FSEC_PER_SEC 1000000000000000LL - -#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1) - -static inline int timespec_equal(const struct timespec *a, - const struct timespec *b) -{ - return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec); -} - -/* - * lhs < rhs: return <0 - * lhs == rhs: return 0 - * lhs > rhs: return >0 - */ -static inline int timespec_compare(const struct timespec *lhs, const struct timespec *rhs) -{ - if (lhs->tv_sec < rhs->tv_sec) - return -1; - if (lhs->tv_sec > rhs->tv_sec) - return 1; - return lhs->tv_nsec - rhs->tv_nsec; -} - -static inline int timeval_compare(const struct timeval *lhs, const struct timeval *rhs) -{ - if (lhs->tv_sec < rhs->tv_sec) - return -1; - if (lhs->tv_sec > rhs->tv_sec) - return 1; - return lhs->tv_usec - rhs->tv_usec; -} - -extern unsigned long mktime(const unsigned int year, const unsigned int mon, - const unsigned int day, const unsigned int hour, - const unsigned int min, const unsigned int sec); - -extern void set_normalized_timespec(struct timespec *ts, time_t sec, s64 nsec); - -/* - * timespec_add_safe assumes both values are positive and checks - * for overflow. It will return TIME_T_MAX if the reutrn would be - * smaller then either of the arguments. - */ -extern struct timespec timespec_add_safe(const struct timespec lhs, - const struct timespec rhs); - - -static inline struct timespec timespec_add(struct timespec lhs, - struct timespec rhs) -{ - struct timespec ts_delta; - set_normalized_timespec(&ts_delta, lhs.tv_sec + rhs.tv_sec, - lhs.tv_nsec + rhs.tv_nsec); - return ts_delta; -} - -/* - * sub = lhs - rhs, in normalized form - */ -static inline struct timespec timespec_sub(struct timespec lhs, - struct timespec rhs) -{ - struct timespec ts_delta; - set_normalized_timespec(&ts_delta, lhs.tv_sec - rhs.tv_sec, - lhs.tv_nsec - rhs.tv_nsec); - return ts_delta; -} - -/* - * Returns true if the timespec is norm, false if denorm: - */ -#define timespec_valid(ts) \ - (((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC)) - -extern void read_persistent_clock(struct timespec *ts); -extern void read_boot_clock(struct timespec *ts); -extern int update_persistent_clock(struct timespec now); -void timekeeping_init(void); -extern int timekeeping_suspended; - -unsigned long get_seconds(void); -struct timespec current_kernel_time(void); -struct timespec __current_kernel_time(void); /* does not take xtime_lock */ -struct timespec get_monotonic_coarse(void); -void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim, - struct timespec *wtom, struct timespec *sleep); -void timekeeping_inject_sleeptime(struct timespec *delta); - -#define CURRENT_TIME (current_kernel_time()) -#define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 }) - -/* Some architectures do not supply their own clocksource. - * This is mainly the case in architectures that get their - * inter-tick times by reading the counter on their interval - * timer. Since these timers wrap every tick, they're not really - * useful as clocksources. Wrapping them to act like one is possible - * but not very efficient. So we provide a callout these arches - * can implement for use with the jiffies clocksource to provide - * finer then tick granular time. - */ -#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET -extern u32 arch_gettimeoffset(void); -#else -static inline u32 arch_gettimeoffset(void) { return 0; } -#endif - -extern void do_gettimeofday(struct timeval *tv); -extern int do_settimeofday(const struct timespec *tv); -extern int do_sys_settimeofday(const struct timespec *tv, - const struct timezone *tz); -#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) -extern long do_utimes(int dfd, const char __user *filename, struct timespec *times, int flags); -struct itimerval; -extern int do_setitimer(int which, struct itimerval *value, - struct itimerval *ovalue); -extern unsigned int alarm_setitimer(unsigned int seconds); -extern int do_getitimer(int which, struct itimerval *value); -extern void getnstimeofday(struct timespec *tv); -extern void getrawmonotonic(struct timespec *ts); -extern void getnstime_raw_and_real(struct timespec *ts_raw, - struct timespec *ts_real); -extern void getboottime(struct timespec *ts); -extern void monotonic_to_bootbased(struct timespec *ts); -extern void get_monotonic_boottime(struct timespec *ts); - -extern struct timespec timespec_trunc(struct timespec t, unsigned gran); -extern int timekeeping_valid_for_hres(void); -extern u64 timekeeping_max_deferment(void); -extern void timekeeping_leap_insert(int leapsecond); -extern int timekeeping_inject_offset(struct timespec *ts); - -struct tms; -extern void do_sys_times(struct tms *); - -/* - * Similar to the struct tm in userspace <time.h>, but it needs to be here so - * that the kernel source is self contained. - */ -struct tm { - /* - * the number of seconds after the minute, normally in the range - * 0 to 59, but can be up to 60 to allow for leap seconds - */ - int tm_sec; - /* the number of minutes after the hour, in the range 0 to 59*/ - int tm_min; - /* the number of hours past midnight, in the range 0 to 23 */ - int tm_hour; - /* the day of the month, in the range 1 to 31 */ - int tm_mday; - /* the number of months since January, in the range 0 to 11 */ - int tm_mon; - /* the number of years since 1900 */ - long tm_year; - /* the number of days since Sunday, in the range 0 to 6 */ - int tm_wday; - /* the number of days since January 1, in the range 0 to 365 */ - int tm_yday; -}; - -void time_to_tm(time_t totalsecs, int offset, struct tm *result); - -/** - * timespec_to_ns - Convert timespec to nanoseconds - * @ts: pointer to the timespec variable to be converted - * - * Returns the scalar nanosecond representation of the timespec - * parameter. - */ -static inline s64 timespec_to_ns(const struct timespec *ts) -{ - return ((s64) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec; -} - -/** - * timeval_to_ns - Convert timeval to nanoseconds - * @ts: pointer to the timeval variable to be converted - * - * Returns the scalar nanosecond representation of the timeval - * parameter. - */ -static inline s64 timeval_to_ns(const struct timeval *tv) -{ - return ((s64) tv->tv_sec * NSEC_PER_SEC) + - tv->tv_usec * NSEC_PER_USEC; -} - -/** - * ns_to_timespec - Convert nanoseconds to timespec - * @nsec: the nanoseconds value to be converted - * - * Returns the timespec representation of the nsec parameter. - */ -extern struct timespec ns_to_timespec(const s64 nsec); - -/** - * ns_to_timeval - Convert nanoseconds to timeval - * @nsec: the nanoseconds value to be converted - * - * Returns the timeval representation of the nsec parameter. - */ -extern struct timeval ns_to_timeval(const s64 nsec); - -/** - * timespec_add_ns - Adds nanoseconds to a timespec - * @a: pointer to timespec to be incremented - * @ns: unsigned nanoseconds value to be added - * - * This must always be inlined because its used from the x86-64 vdso, - * which cannot call other kernel functions. - */ -static __always_inline void timespec_add_ns(struct timespec *a, u64 ns) -{ - a->tv_sec += __iter_div_u64_rem(a->tv_nsec + ns, NSEC_PER_SEC, &ns); - a->tv_nsec = ns; -} - -#endif /* __KERNEL__ */ - -#define NFDBITS __NFDBITS - -#define FD_SETSIZE __FD_SETSIZE -#define FD_SET(fd,fdsetp) __FD_SET(fd,fdsetp) -#define FD_CLR(fd,fdsetp) __FD_CLR(fd,fdsetp) -#define FD_ISSET(fd,fdsetp) __FD_ISSET(fd,fdsetp) -#define FD_ZERO(fdsetp) __FD_ZERO(fdsetp) - -/* - * Names of the interval timers, and structure - * defining a timer setting: - */ -#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 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): - */ -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 -#define CLOCK_PROCESS_CPUTIME_ID 2 -#define CLOCK_THREAD_CPUTIME_ID 3 -#define CLOCK_MONOTONIC_RAW 4 -#define CLOCK_REALTIME_COARSE 5 -#define CLOCK_MONOTONIC_COARSE 6 -#define CLOCK_BOOTTIME 7 -#define CLOCK_REALTIME_ALARM 8 -#define CLOCK_BOOTTIME_ALARM 9 - -/* - * The IDs of various hardware clocks: - */ -#define CLOCK_SGI_CYCLE 10 -#define MAX_CLOCKS 16 -#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC) -#define CLOCKS_MONO CLOCK_MONOTONIC - -/* - * The various flags for setting POSIX.1b interval timers: - */ -#define TIMER_ABSTIME 0x01 - -#endif |