summaryrefslogtreecommitdiff
path: root/common/JackTime.h
blob: e0709183c16ff1dbe8bbe6327e2bce07219597e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
/*
Copyright (C) 2001-2003 Paul Davis
Copyright (C) 2004-2008 Grame

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*/

#ifndef __JackTime__
#define __JackTime__

#include "types.h"
#include "JackExports.h"
#include <stdio.h>

#ifdef __cplusplus
extern "C"
{
#endif

#if defined(__APPLE__)

#include <mach/mach_time.h>
#include <unistd.h>

    extern double __jack_time_ratio;

    static inline jack_time_t GetMicroSeconds(void) {
        return (jack_time_t) (mach_absolute_time () * __jack_time_ratio);
    }

    /* This should only be called ONCE per process. */
    extern void InitTime();

    static inline void JackSleep(int usec) {
        usleep(usec);
    }

#endif

#ifdef WIN32

    extern EXPORT LARGE_INTEGER _jack_freq;

    extern EXPORT jack_time_t GetMicroSeconds(void) ;

    extern void InitTime();

    static void JackSleep(int usec) {
        Sleep(usec / 1000);
    }

#endif

#ifdef linux

#include <unistd.h>

    static inline void JackSleep(long usec) {
        usleep(usec);
    }

#ifdef GETCYCLE_TIME
#include "cycles.h"
    extern jack_time_t __jack_cpu_mhz;
    extern jack_time_t GetMhz();
    extern void InitTime();
    static inline jack_time_t GetMicroSeconds(void) {
        return get_cycles() / __jack_cpu_mhz;
    }
#else
#include <time.h>
    extern void InitTime();
    static inline jack_time_t GetMicroSeconds(void) {
        struct timespec ts;
        clock_gettime(CLOCK_MONOTONIC, &ts);
        return (jack_time_t)ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
    }
#endif

#endif

#ifdef __cplusplus
}
#endif


#endif