79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/*
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Copyright (C) 2001-2003 Paul Davis
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Copyright (C) 2005 Jussi Laako
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Copyright (C) 2004-2008 Grame
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Copyright (C) 2018 Greg V
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "JackConstants.h"
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#include "JackTime.h"
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#include "JackTypes.h"
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#include "JackError.h"
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#include <time.h>
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#include <unistd.h>
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jack_time_t (*_jack_get_microseconds)(void) = 0;
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static jack_time_t jack_get_microseconds_from_system (void)
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{
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jack_time_t jackTime;
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struct timespec time;
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clock_gettime(CLOCK_MONOTONIC, &time);
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jackTime = (jack_time_t) time.tv_sec * 1e6 +
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(jack_time_t) time.tv_nsec / 1e3;
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return jackTime;
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}
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SERVER_EXPORT void JackSleep(long usec)
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{
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usleep(usec);
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}
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SERVER_EXPORT void InitTime()
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{
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/* nothing to do on a generic system - we use the system clock */
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}
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SERVER_EXPORT void EndTime()
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{}
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void SetClockSource(jack_timer_type_t source)
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{
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jack_log("Clock source : %s", ClockSourceName(source));
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_jack_get_microseconds = jack_get_microseconds_from_system;
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}
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const char* ClockSourceName(jack_timer_type_t source)
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{
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return "system clock via clock_gettime";
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}
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SERVER_EXPORT jack_time_t GetMicroSeconds()
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{
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return _jack_get_microseconds();
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}
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SERVER_EXPORT jack_time_t jack_get_microseconds()
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{
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return _jack_get_microseconds();
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}
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