| 1 | #pragma once |
| 2 | /* |
| 3 | * This file is part of the libCEC(R) library. |
| 4 | * |
| 5 | * libCEC(R) is Copyright (C) 2011-2012 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. |
| 9 | * |
| 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 |
| 13 | * (at your option) any later version. |
| 14 | * |
| 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. |
| 27 | * |
| 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/ |
| 32 | */ |
| 33 | |
| 34 | #include "env.h" |
| 35 | #include "lib/platform/os.h" |
| 36 | |
| 37 | #if defined(__APPLE__) |
| 38 | #include <mach/mach_time.h> |
| 39 | #include <CoreVideo/CVHostTime.h> |
| 40 | #elif defined(__WINDOWS__) |
| 41 | #include <time.h> |
| 42 | #else |
| 43 | #include <time.h> |
| 44 | #include <sys/time.h> |
| 45 | #endif |
| 46 | |
| 47 | namespace PLATFORM |
| 48 | { |
| 49 | #if defined(__WINDOWS__) |
| 50 | struct timezone |
| 51 | { |
| 52 | int tz_minuteswest; |
| 53 | int tz_dsttime; |
| 54 | }; |
| 55 | |
| 56 | #define usleep(t) Sleep((DWORD)(t)/1000) |
| 57 | |
| 58 | inline int gettimeofday(struct timeval *pcur_time, struct timezone *tz) |
| 59 | { |
| 60 | if (pcur_time == NULL) |
| 61 | { |
| 62 | SetLastError(EFAULT); |
| 63 | return -1; |
| 64 | } |
| 65 | struct _timeb current; |
| 66 | |
| 67 | _ftime(¤t); |
| 68 | |
| 69 | pcur_time->tv_sec = (long) current.time; |
| 70 | pcur_time->tv_usec = current.millitm * 1000L; |
| 71 | if (tz) |
| 72 | { |
| 73 | tz->tz_minuteswest = current.timezone; /* minutes west of Greenwich */ |
| 74 | tz->tz_dsttime = current.dstflag; /* type of dst correction */ |
| 75 | } |
| 76 | return 0; |
| 77 | } |
| 78 | #endif |
| 79 | |
| 80 | inline int64_t GetTimeMs() |
| 81 | { |
| 82 | #if defined(__APPLE__) |
| 83 | return (int64_t) (CVGetCurrentHostTime() / (int64_t)(CVGetHostClockFrequency() * 0.001)); |
| 84 | #elif defined(__WINDOWS__) |
| 85 | LARGE_INTEGER tickPerSecond; |
| 86 | LARGE_INTEGER tick; |
| 87 | if (QueryPerformanceFrequency(&tickPerSecond)) |
| 88 | { |
| 89 | QueryPerformanceCounter(&tick); |
| 90 | return (int64_t) (tick.QuadPart / (tickPerSecond.QuadPart / 1000.)); |
| 91 | } |
| 92 | return -1; |
| 93 | #else |
| 94 | timespec time; |
| 95 | clock_gettime(CLOCK_MONOTONIC, &time); |
| 96 | return (int64_t)time.tv_sec * 1000 + time.tv_nsec / 1000000; |
| 97 | #endif |
| 98 | } |
| 99 | |
| 100 | template <class T> |
| 101 | inline T GetTimeSec() |
| 102 | { |
| 103 | return (T)GetTimeMs() / (T)1000.0; |
| 104 | } |
| 105 | |
| 106 | class CTimeout |
| 107 | { |
| 108 | public: |
| 109 | CTimeout(void) : m_iTarget(0) {} |
| 110 | CTimeout(uint32_t iTimeout) { Init(iTimeout); } |
| 111 | |
| 112 | bool IsSet(void) const { return m_iTarget > 0; } |
| 113 | void Init(uint32_t iTimeout) { m_iTarget = GetTimeMs() + iTimeout; } |
| 114 | |
| 115 | uint32_t TimeLeft(void) const |
| 116 | { |
| 117 | uint64_t iNow = GetTimeMs(); |
| 118 | return (iNow > m_iTarget) ? 0 : (uint32_t)(m_iTarget - iNow); |
| 119 | } |
| 120 | |
| 121 | private: |
| 122 | uint64_t m_iTarget; |
| 123 | }; |
| 124 | }; |