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evutil_time: Implements usleep() using wait funtion on Windows

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(cherry picked from commit 6412f34f242e9b5b87f0378715baf97ba0bf1a8c)
This commit is contained in:
yuangongji 2019-12-27 17:53:28 +08:00 committed by Azat Khuzhin
parent d9da412658
commit d42240d1c6
1 changed files with 16 additions and 2 deletions
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18
evutil_time.c
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@ -126,8 +126,22 @@ evutil_usleep_(const struct timeval *tv)
return; return;
#if defined(_WIN32) #if defined(_WIN32)
{ {
long msec = evutil_tv_to_msec_(tv); __int64 usec;
Sleep((DWORD)msec); LARGE_INTEGER li;
HANDLE timer;
usec = tv->tv_sec * 1000000LL + tv->tv_usec;
if (!usec)
return;
li.QuadPart = -10LL * usec;
timer = CreateWaitableTimer(NULL, TRUE, NULL);
if (!timer)
return;
SetWaitableTimer(timer, &li, 0, NULL, NULL, 0);
WaitForSingleObject(timer, INFINITE);
CloseHandle(timer);
} }
#elif defined(EVENT__HAVE_NANOSLEEP) #elif defined(EVENT__HAVE_NANOSLEEP)
{ {