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1 /*
2 Copyright (C) 2001-2003 Paul Davis
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 $Id: time.h,v 1.3 2003/06/16 22:38:16 trutkin Exp $
19 */
20
21 #ifndef __jack_time_h__
22 #define __jack_time_h__
23
24 #include <jack/types.h>
25
26 extern void jack_init_time ();
27
28 #if defined(__APPLE__) && defined(__POWERPC__)
29
30 #include <mach/mach_time.h>
31
32 extern double __jack_time_ratio;
33
34 static inline jack_time_t jack_get_microseconds(void)
35 {
36 return mach_absolute_time () * __jack_time_ratio;
37 }
38
39 #else
40
41 #include <jack/cycles.h>
42
43 extern jack_time_t __jack_cpu_mhz;
44 extern jack_time_t jack_get_mhz();
45 extern void jack_init_time ();
46
47 static inline jack_time_t jack_get_microseconds (void) {
48 return get_cycles() / __jack_cpu_mhz;
49 }
50
51 #endif
52
53 #endif /* __jack_time_h__ */
54
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