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Review Sleep() usage, return to busy-wait-loop

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Ray 2017-03-28 19:15:27 +02:00
parent 90b36bd274
commit b5dd18a70c
1 changed files with 5 additions and 2 deletions
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7
src/core.c
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@ -2024,9 +2024,12 @@ static double GetTime(void)
}
// Wait for some milliseconds (stop program execution)
// NOTE: Sleep() granularity could be around 10 ms, it means, Sleep() could
// take longer than expected... for that reason we use the busy wait loop
// http://stackoverflow.com/questions/43057578/c-programming-win32-games-sleep-taking-longer-than-expected
static void Wait(float ms)
{
//#define SUPPORT_BUSY_WAIT_LOOP
#define SUPPORT_BUSY_WAIT_LOOP
#if defined(SUPPORT_BUSY_WAIT_LOOP)
double prevTime = GetTime();
double nextTime = 0.0;
@ -2035,7 +2038,7 @@ static void Wait(float ms)
while ((nextTime - prevTime) < ms/1000.0f) nextTime = GetTime();
#else
#if defined _WIN32
Sleep(ms);
Sleep((unsigned int)ms);
#elif defined __linux__ || defined(PLATFORM_WEB)
struct timespec req = { 0 };
time_t sec = (int)(ms/1000.0f);