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icecast-common/timing/timing.c
2018-10-12 10:55:24 +00:00

104 lines
2.5 KiB
C

/* timing.c
* - Timing functions
*
* Copyright (C) 2014 Michael Smith <msmith@icecast.org>,
* Brendan Cully <brendan@xiph.org>,
* Karl Heyes <karl@xiph.org>,
* Jack Moffitt <jack@icecast.org>,
* Ed "oddsock" Zaleski <oddsock@xiph.org>,
* Ralph Giles <giles@xiph.org>,
* Copyright (C) 2012-2018 Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <sys/types.h>
#ifdef _WIN32
#include <windows.h>
#include <mmsystem.h>
#else
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <unistd.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_TIMEB_H
#include <sys/timeb.h>
#endif
#include "timing.h"
/*
* Returns milliseconds no matter what.
*/
uint64_t igloo_timing_get_time(void)
{
#ifdef HAVE_GETTIMEOFDAY
struct timeval mtv;
gettimeofday(&mtv, NULL);
return (uint64_t)(mtv.tv_sec) * 1000 + (uint64_t)(mtv.tv_usec) / 1000;
#elif HAVE_FTIME
struct timeb t;
ftime(&t);
return t.time * 1000 + t.millitm;
#else
#error need time query handler
#endif
}
void igloo_timing_sleep(uint64_t sleeptime)
{
struct timeval sleeper;
sleeper.tv_sec = sleeptime / 1000;
sleeper.tv_usec = (sleeptime % 1000) * 1000;
/* NOTE:
* This should be 0 for the first argument. The linux manpage
* says so. The solaris manpage also says this is a legal
* value. If you think differerntly, please provide references.
*/
#ifdef WIN32
Sleep(sleeptime);
#else
select(1, NULL, NULL, NULL, &sleeper);
#endif
}