cec: fixed possible deadlock because of a negative timeout in CAdapterCommunication...
[deb_libcec.git] / src / lib / platform / timeutils.h
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abbca718 1#pragma once
abbca718 2/*
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3 * This file is part of the libCEC(R) library.
4 *
5 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
7 *
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
abbca718 9 *
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10 * This program is dual-licensed; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
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13 * (at your option) any later version.
14 *
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15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 *
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
abbca718 27 *
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28 * For more information contact:
29 * Pulse-Eight Licensing <license@pulse-eight.com>
30 * http://www.pulse-eight.com/
31 * http://www.pulse-eight.net/
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32 */
33
34#include <stdint.h>
6df2c52f 35#if defined(__APPLE__)
36#include <mach/mach_time.h>
37#include <CoreVideo/CVHostTime.h>
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38#elif defined(__WINDOWS__)
39#include <time.h>
40#else
41#include <sys/time.h>
6df2c52f 42#endif
abbca718 43
f00ff009 44#include "os.h"
6f14b512 45
f00ff009 46namespace PLATFORM
abbca718 47{
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48 #if defined(__WINDOWS__)
49 struct timezone
50 {
51 int tz_minuteswest;
52 int tz_dsttime;
53 };
54
55 #define usleep(t) Sleep((DWORD)(t)/1000)
56
57 inline int gettimeofday(struct timeval *pcur_time, struct timezone *tz)
58 {
59 if (pcur_time == NULL)
60 {
61 SetLastError(EFAULT);
62 return -1;
63 }
64 struct _timeb current;
65
66 _ftime(&current);
67
68 pcur_time->tv_sec = (long) current.time;
69 pcur_time->tv_usec = current.millitm * 1000L;
70 if (tz)
71 {
72 tz->tz_minuteswest = current.timezone; /* minutes west of Greenwich */
73 tz->tz_dsttime = current.dstflag; /* type of dst correction */
74 }
75 return 0;
76 }
77 #endif
78
b9187cc6 79 inline int64_t GetTimeMs()
abbca718 80 {
6df2c52f 81 #if defined(__APPLE__)
82 return (int64_t) (CVGetCurrentHostTime() * 1000 / CVGetHostClockFrequency());
83 #elif defined(__WINDOWS__)
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84 time_t rawtime;
85 time(&rawtime);
abbca718 86
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87 LARGE_INTEGER tickPerSecond;
88 LARGE_INTEGER tick;
89 if (QueryPerformanceFrequency(&tickPerSecond))
90 {
91 QueryPerformanceCounter(&tick);
92 return (int64_t) (tick.QuadPart / 1000.);
93 }
94 return -1;
95 #else
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96 timeval time;
97 gettimeofday(&time, NULL);
98 return (int64_t) (time.tv_sec * 1000 + time.tv_usec / 1000);
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99 #endif
100 }
abbca718 101
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102 template <class T>
103 inline T GetTimeSec()
104 {
105 return (T)GetTimeMs() / (T)1000.0;
106 }
107};