mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
|
|
* Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#ifndef TIME_INTERNAL_H_INCLUDED_
|
|
#define TIME_INTERNAL_H_INCLUDED_
|
|
|
|
#include "event2/event-config.h"
|
|
#include "evconfig-private.h"
|
|
|
|
#ifdef EVENT__HAVE_MACH_MACH_TIME_H
|
|
/* For mach_timebase_info */
|
|
#include <mach/mach_time.h>
|
|
#endif
|
|
|
|
#include <time.h>
|
|
|
|
#include "event2/util.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if defined(EVENT__HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
|
|
#define HAVE_POSIX_MONOTONIC
|
|
#elif defined(EVENT__HAVE_MACH_ABSOLUTE_TIME)
|
|
#define HAVE_MACH_MONOTONIC
|
|
#elif defined(_WIN32)
|
|
#define HAVE_WIN32_MONOTONIC
|
|
#else
|
|
#define HAVE_FALLBACK_MONOTONIC
|
|
#endif
|
|
|
|
long evutil_tv_to_msec_(const struct timeval *tv);
|
|
EVENT2_EXPORT_SYMBOL
|
|
void evutil_usleep_(const struct timeval *tv);
|
|
|
|
#ifdef _WIN32
|
|
typedef ULONGLONG (WINAPI *ev_GetTickCount_func)(void);
|
|
#endif
|
|
|
|
struct evutil_monotonic_timer {
|
|
|
|
#ifdef HAVE_MACH_MONOTONIC
|
|
struct mach_timebase_info mach_timebase_units;
|
|
#endif
|
|
|
|
#ifdef HAVE_POSIX_MONOTONIC
|
|
int monotonic_clock;
|
|
#endif
|
|
|
|
#ifdef HAVE_WIN32_MONOTONIC
|
|
ev_GetTickCount_func GetTickCount64_fn;
|
|
ev_GetTickCount_func GetTickCount_fn;
|
|
ev_uint64_t last_tick_count;
|
|
ev_uint64_t adjust_tick_count;
|
|
|
|
ev_uint64_t first_tick;
|
|
ev_uint64_t first_counter;
|
|
double usec_per_count;
|
|
int use_performance_counter;
|
|
#endif
|
|
|
|
struct timeval adjust_monotonic_clock;
|
|
struct timeval last_time;
|
|
};
|
|
|
|
EVENT2_EXPORT_SYMBOL
|
|
int evutil_configure_monotonic_time_(struct evutil_monotonic_timer *mt,
|
|
int flags);
|
|
EVENT2_EXPORT_SYMBOL
|
|
int evutil_gettime_monotonic_(struct evutil_monotonic_timer *mt, struct timeval *tv);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* EVENT_INTERNAL_H_INCLUDED_ */
|