1 /* 2 Copyright (C) 2001-2003 Paul Davis 3 Copyright (C) 2004-2008 Grame 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as published by 7 the Free Software Foundation; either version 2.1 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 19 */ 20 21 #include "JackTime.h" 22 #include "JackError.h" 23 #include "JackTypes.h" 24 #include <mach/mach_time.h> 25 #include <unistd.h> 26 27 static double __jack_time_ratio; 28 JackSleep(long usec)29SERVER_EXPORT void JackSleep(long usec) 30 { 31 usleep(usec); 32 } 33 34 /* This should only be called ONCE per process. */ InitTime()35SERVER_EXPORT void InitTime() 36 { 37 mach_timebase_info_data_t info; 38 mach_timebase_info(&info); 39 __jack_time_ratio = ((double)info.numer / (double)info.denom) / 1000; 40 } 41 EndTime()42SERVER_EXPORT void EndTime() 43 {} 44 GetMicroSeconds(void)45SERVER_EXPORT jack_time_t GetMicroSeconds(void) 46 { 47 return (jack_time_t) (mach_absolute_time() * __jack_time_ratio); 48 } 49 SetClockSource(jack_timer_type_t source)50void SetClockSource(jack_timer_type_t source) 51 {} 52 ClockSourceName(jack_timer_type_t source)53const char* ClockSourceName(jack_timer_type_t source) 54 { 55 return ""; 56 } 57