From e3b42fd990070f48c11b233cec0c198098d1a48f Mon Sep 17 00:00:00 2001
From: Jonathan Reams <jbreams@mongodb.com>
Date: Wed, 7 Sep 2016 14:18:23 -0400
Subject: SERVER-26002 Make sure javascript sleep isn't interrupted

---
 src/mongo/stdx/thread.h | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'src/mongo/stdx')

diff --git a/src/mongo/stdx/thread.h b/src/mongo/stdx/thread.h
index d81dc1bf315..c85c654445a 100644
--- a/src/mongo/stdx/thread.h
+++ b/src/mongo/stdx/thread.h
@@ -28,6 +28,8 @@
 
 #pragma once
 
+#include <chrono>
+#include <ctime>
 #include <exception>
 #include <thread>
 #include <type_traits>
@@ -105,7 +107,37 @@ inline void swap(thread& lhs, thread& rhs) noexcept {
     lhs.swap(rhs);
 }
 
-namespace this_thread = ::std::this_thread;  // NOLINT
+namespace this_thread {
+using std::this_thread::get_id;
+using std::this_thread::yield;
+
+#ifdef _WIN32
+using std::this_thread::sleep_for;
+using std::this_thread::sleep_until;
+#else
+template <class Rep, class Period>
+inline void sleep_for(const std::chrono::duration<Rep, Period>& sleep_duration) {
+    if (sleep_duration <= sleep_duration.zero())
+        return;
+
+    const auto seconds = std::chrono::duration_cast<std::chrono::seconds>(sleep_duration);
+    const auto nanoseconds =
+        std::chrono::duration_cast<std::chrono::nanoseconds>(sleep_duration - seconds);
+    struct timespec sleepVal = {static_cast<std::time_t>(seconds.count()),
+                                static_cast<long>(nanoseconds.count())};
+    struct timespec remainVal;
+    while (nanosleep(&sleepVal, &remainVal) == -1 && errno == EINTR) {
+        sleepVal = remainVal;
+    }
+}
+
+template <class Clock, class Duration>
+void sleep_until(const std::chrono::time_point<Clock, Duration>& sleep_time) {
+    const auto now = Clock::now();
+    sleep_for(sleep_time - now);
+}
+#endif
+}  // namespace this_thread
 
 }  // namespace stdx
 }  // namespace mongo
-- 
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