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104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
/* timing.c
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* - Timing functions
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*
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* Copyright (C) 2014 Michael Smith <msmith@icecast.org>,
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* Brendan Cully <brendan@xiph.org>,
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* Karl Heyes <karl@xiph.org>,
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* Jack Moffitt <jack@icecast.org>,
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* Ed "oddsock" Zaleski <oddsock@xiph.org>,
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* Ralph Giles <giles@xiph.org>,
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* Copyright (C) 2012-2018 Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <sys/types.h>
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#ifdef _WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#else
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#ifdef TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_SYS_TIMEB_H
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#include <sys/timeb.h>
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#endif
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#include "timing.h"
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/*
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* Returns milliseconds no matter what.
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*/
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uint64_t igloo_timing_get_time(void)
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{
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#ifdef HAVE_GETTIMEOFDAY
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struct timeval mtv;
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gettimeofday(&mtv, NULL);
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return (uint64_t)(mtv.tv_sec) * 1000 + (uint64_t)(mtv.tv_usec) / 1000;
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#elif HAVE_FTIME
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struct timeb t;
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ftime(&t);
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return t.time * 1000 + t.millitm;
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#else
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#error need time query handler
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#endif
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}
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void igloo_timing_sleep(uint64_t sleeptime)
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{
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struct timeval sleeper;
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sleeper.tv_sec = sleeptime / 1000;
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sleeper.tv_usec = (sleeptime % 1000) * 1000;
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/* NOTE:
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* This should be 0 for the first argument. The linux manpage
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* says so. The solaris manpage also says this is a legal
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* value. If you think differerntly, please provide references.
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*/
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#ifdef WIN32
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Sleep(sleeptime);
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#else
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select(1, NULL, NULL, NULL, &sleeper);
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#endif
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}
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