Add a function to obtain relative millisecond-timestamps
'Relative' in the sense that they can only sensibly compared to another time value obtained using the same function during the same program invocation.master
parent
cbfb7e6979
commit
2f4a917bb1
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@ -178,6 +178,7 @@
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<ClInclude Include="..\PixelAttributes.h" />
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<ClInclude Include="..\PlayerAttributes.h" />
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<ClInclude Include="..\porting.h" />
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<ClInclude Include="..\porting_win32.h" />
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<ClInclude Include="..\Settings.h" />
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<ClInclude Include="..\TileGenerator.h" />
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<ClInclude Include="..\types.h" />
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@ -54,6 +54,9 @@
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<ClInclude Include="..\porting.h">
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<Filter>Header files</Filter>
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</ClInclude>
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<ClInclude Include="..\porting_win32.h">
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<Filter>Header files</Filter>
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</ClInclude>
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<ClInclude Include="resource.h">
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<Filter>Header files</Filter>
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</ClInclude>
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11
porting.h
11
porting.h
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@ -2,15 +2,9 @@
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#define _PORTING_H
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#ifdef _WIN32
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#include <windows.h>
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#define sleepMs(x) Sleep(x)
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#include "porting_win32.h"
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#else
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#include <unistd.h>
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#define sleepMs(x) usleep(x*1000)
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#include "porting_posix.h"
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#endif
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#ifdef _MSC_VER
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@ -20,3 +14,4 @@
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#endif
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#endif // _PORTING_H
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@ -0,0 +1,30 @@
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#include <ctime>
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#include <cerrno>
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#include <unistd.h>
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#include <sys/time.h>
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#define sleepMs(x) usleep((x)*1000)
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inline uint64_t getRelativeTimeStampMs()
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{
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int rv = -1;
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struct timespec ts;
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#ifdef CLOCK_MONOTONIC_RAW
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if (rv == -1)
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rv = clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
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#endif
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#ifdef _POSIX_MONOTONIC_CLOCK
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if (rv == -1)
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rv = clock_gettime(CLOCK_MONOTONIC, &ts);
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#endif
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if (rv == -1) {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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}
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else {
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return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
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}
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}
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@ -0,0 +1,10 @@
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#include <windows.h>
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#define sleepMs(x) Sleep(x)
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inline uint64_t getRelativeTimeStampMs()
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{
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return GetTickCount64();
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}
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