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/*
* include/haproxy/clock.h
* Exported parts for time-keeping
*
* Copyright (C) 2000-2021 Willy Tarreau - w@1wt.eu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _HAPROXY_CLOCK_H
#define _HAPROXY_CLOCK_H
#include <sys/time.h>
#include <haproxy/api.h>
extern struct timeval start_date; /* the process's start date in wall-clock time */
extern struct timeval ready_date; /* date when the process was considered ready */
extern ullong start_time_ns; /* the process's start date in internal monotonic time (ns) */
extern volatile ullong global_now_ns; /* common monotonic date between all threads, in ns (wraps every 585 yr) */
extern THREAD_LOCAL ullong now_ns; /* internal monotonic date derived from real clock, in ns (wraps every 585 yr) */
extern THREAD_LOCAL struct timeval date; /* the real current date (wall-clock time) */
uint64_t now_cpu_time_thread(int thr);
uint64_t now_mono_time(void);
uint64_t now_mono_time_fast(void);
uint64_t now_cpu_time(void);
uint64_t now_cpu_time_fast(void);
void clock_set_local_source(void);
void clock_update_local_date(int max_wait, int interrupted);
void clock_update_global_date();
void clock_init_process_date(void);
void clock_init_thread_date(void);
int clock_setup_signal_timer(void *timer, int sig, int val);
char *timeofday_as_iso_us(int pad);
uint clock_report_idle(void);
void clock_leaving_poll(int timeout, int interrupted);
void clock_entering_poll(void);
void clock_adjust_now_offset(void);
static inline void clock_update_date(int max_wait, int interrupted)
{
clock_update_local_date(max_wait, interrupted);
clock_update_global_date();
}
#endif
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