From c8abb29f68abf64bacf2dc5a483eedab84b52428 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sa=C3=BAl=20Ibarra=20Corretg=C3=A9?= <saghul@gmail.com>
Date: Fri, 25 Jul 2014 20:50:03 +0200
Subject: [PATCH] windows: don't use atexit for cleaning up the threadpool

If libuv is loaded as a DLL and is later unloaded deadlocks can happen
when running atexit handlers, so we can't use synchronization
priomitives or join threads there.

For reference see https://github.com/saghul/pyuv/issues/171
---
 src/threadpool.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/threadpool.c b/src/threadpool.c
index fd1cab56..33890f02 100644
--- a/src/threadpool.c
+++ b/src/threadpool.c
@@ -108,7 +108,8 @@ static void post(QUEUE* q) {
 }
 
 
-static void cleanup(void) {
+#ifndef _WIN32
+UV_DESTRUCTOR(static void cleanup(void)) {
   unsigned int i;
 
   if (initialized == 0)
@@ -130,6 +131,7 @@ static void cleanup(void) {
   nthreads = 0;
   initialized = 0;
 }
+#endif
 
 
 static void init_once(void) {
@@ -167,7 +169,6 @@ static void init_once(void) {
       abort();
 
   initialized = 1;
-  atexit(cleanup);
 }