From d42240d1c60ea1386489391dfc650d2f2bda4c99 Mon Sep 17 00:00:00 2001
From: yuangongji <yuangongji@foxmail.com>
Date: Fri, 27 Dec 2019 17:53:28 +0800
Subject: [PATCH] evutil_time: Implements usleep() using wait funtion on
 Windows

(cherry picked from commit 6412f34f242e9b5b87f0378715baf97ba0bf1a8c)
---
 evutil_time.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/evutil_time.c b/evutil_time.c
index c576463b..9faa8ce7 100644
--- a/evutil_time.c
+++ b/evutil_time.c
@@ -126,8 +126,22 @@ evutil_usleep_(const struct timeval *tv)
 		return;
 #if defined(_WIN32)
 	{
-		long msec = evutil_tv_to_msec_(tv);
-		Sleep((DWORD)msec);
+		__int64 usec;
+		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)
 	{