From 1e6c93250172946eeb38e94a92a1fd12c9d3011e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Nov 2018 13:22:44 +0100 Subject: Merging upstream version 1.11.0+dfsg. Signed-off-by: Daniel Baumann --- src/clocks.h | 124 ----------------------------------------------------------- 1 file changed, 124 deletions(-) delete mode 100644 src/clocks.h (limited to 'src/clocks.h') diff --git a/src/clocks.h b/src/clocks.h deleted file mode 100644 index ca5715254..000000000 --- a/src/clocks.h +++ /dev/null @@ -1,124 +0,0 @@ -#ifndef NETDATA_CLOCKS_H -#define NETDATA_CLOCKS_H 1 - -#ifndef HAVE_STRUCT_TIMESPEC -struct timespec { - time_t tv_sec; /* seconds */ - long tv_nsec; /* nanoseconds */ -}; -#endif - -#ifndef HAVE_CLOCKID_T -typedef int clockid_t; -#endif - -typedef unsigned long long nsec_t; -typedef unsigned long long msec_t; -typedef unsigned long long usec_t; -typedef long long susec_t; - -typedef usec_t heartbeat_t; - -/* Linux value is as good as any other */ -#ifndef CLOCK_REALTIME -#define CLOCK_REALTIME 0 -#endif - -#ifndef CLOCK_MONOTONIC -/* fallback to CLOCK_REALTIME if not available */ -#define CLOCK_MONOTONIC CLOCK_REALTIME -#endif - -#ifndef CLOCK_BOOTTIME - -#ifdef CLOCK_UPTIME -/* CLOCK_BOOTTIME falls back to CLOCK_UPTIME on FreeBSD */ -#define CLOCK_BOOTTIME CLOCK_UPTIME -#else // CLOCK_UPTIME -/* CLOCK_BOOTTIME falls back to CLOCK_MONOTONIC */ -#define CLOCK_BOOTTIME CLOCK_MONOTONIC -#endif // CLOCK_UPTIME - -#else // CLOCK_BOOTTIME - -#ifdef HAVE_CLOCK_GETTIME -#define CLOCK_BOOTTIME_IS_AVAILABLE 1 // required for /proc/uptime -#endif // HAVE_CLOCK_GETTIME - -#endif // CLOCK_BOOTTIME - -#define NSEC_PER_MSEC 1000000ULL - -#define NSEC_PER_SEC 1000000000ULL -#define NSEC_PER_USEC 1000ULL - -#define USEC_PER_SEC 1000000ULL -#define MSEC_PER_SEC 1000ULL - -#define USEC_PER_MS 1000ULL - -#ifndef HAVE_CLOCK_GETTIME -/* Fallback function for POSIX.1-2001 clock_gettime() function. - * - * We use a realtime clock from gettimeofday(), this will - * make systems without clock_gettime() support sensitive - * to time jumps or hibernation/suspend side effects. - */ -extern int clock_gettime(clockid_t clk_id, struct timespec *ts); -#endif - -/* - * Three clocks are available (cf. man 3 clock_gettime): - * - * REALTIME clock (i.e. wall-clock): - * This clock is affected by discontinuous jumps in the system time - * (e.g., if the system administrator manually changes the clock), and by the incremental adjustments performed by adjtime(3) and NTP. - * - * MONOTONIC clock - * Clock that cannot be set and represents monotonic time since some unspecified starting point. - * This clock is not affected by discontinuous jumps in the system time - * (e.g., if the system administrator manually changes the clock), but is affected by the incremental adjustments performed by adjtime(3) and NTP. - * If not available on the system, this clock falls back to REALTIME clock. - * - * BOOTTIME clock - * Identical to CLOCK_MONOTONIC, except it also includes any time that the system is suspended. - * This allows applications to get a suspend-aware monotonic clock without having to deal with the complications of CLOCK_REALTIME, - * which may have discontinuities if the time is changed using settimeofday(2). - * If not available on the system, this clock falls back to MONOTONIC clock. - * - * All now_*_timeval() functions fill the `struct timeval` with the time from the appropriate clock. - * Those functions return 0 on success, -1 else with errno set appropriately. - * - * All now_*_sec() functions return the time in seconds from the approriate clock, or 0 on error. - * All now_*_usec() functions return the time in microseconds from the approriate clock, or 0 on error. - */ -extern int now_realtime_timeval(struct timeval *tv); -extern time_t now_realtime_sec(void); -extern usec_t now_realtime_usec(void); - -extern int now_monotonic_timeval(struct timeval *tv); -extern time_t now_monotonic_sec(void); -extern usec_t now_monotonic_usec(void); - -extern int now_boottime_timeval(struct timeval *tv); -extern time_t now_boottime_sec(void); -extern usec_t now_boottime_usec(void); - - -extern usec_t timeval_usec(struct timeval *ts); -extern msec_t timeval_msec(struct timeval *tv); - -extern usec_t dt_usec(struct timeval *now, struct timeval *old); -extern susec_t dt_usec_signed(struct timeval *now, struct timeval *old); - -extern void heartbeat_init(heartbeat_t *hb); - -/* Sleeps until next multiple of tick using monotonic clock. - * Returns elapsed time in microseconds since previous heartbeat - */ -extern usec_t heartbeat_next(heartbeat_t *hb, usec_t tick); - -/* Returns elapsed time in microseconds since last heartbeat */ -extern usec_t heartbeat_dt_usec(heartbeat_t *hb); - -#endif /* NETDATA_CLOCKS_H */ -- cgit v1.2.3