From c77a987b4d44e00329dd23a6c87de19b256fc4ef Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Mon, 5 Dec 2016 09:53:41 -0800
Subject: [PATCH] feat(util/thread): handle thread creation/join failure on
 Windows

---
 src/util/thread.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/util/thread.cpp b/src/util/thread.cpp
index 0d8a20e59b..e96395eada 100644
--- a/src/util/thread.cpp
+++ b/src/util/thread.cpp
@@ -45,10 +45,15 @@ struct lthread::imp {
         m_proc(p) {
         m_thread = CreateThread(nullptr, m_thread_stack_size,
                                 _main, &m_proc, 0, nullptr);
+        if (m_thread == NULL) {
+            throw exception("failed to create thread");
+        }
     }
 
     void join() {
-        WaitForSingleObject(m_thread, INFINITE);
+        if (WaitForSingleObject(m_thread, INFINITE) == WAIT_FAILED) {
+            throw exception("failed to join thread");
+        }
     }
 };
 #else