/* $NetBSD: time-internal.h,v 1.1.1.2 2021/04/07 02:43:13 christos Exp $ */ /* * Copyright (c) 2000-2007 Niels Provos * 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 #endif #include #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_ */