From 11b4ad4b42b9aa713c78d3f198cd102b573ef2cd Mon Sep 17 00:00:00 2001
From: alex85k <alex85k@github.com>
Date: Thu, 12 Nov 2015 20:18:48 +0500
Subject: [PATCH] workaround for multithreading locale problem in GEOS (MSVC)

---
 osmdata.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/osmdata.cpp b/osmdata.cpp
index 5456555f6..4c66eb195 100644
--- a/osmdata.cpp
+++ b/osmdata.cpp
@@ -170,6 +170,10 @@ struct pending_threaded_processor : public middle_t::pending_processor {
     typedef std::pair<std::shared_ptr<const middle_query_t>, output_vec_t> clone_t;
 
     static void do_jobs(output_vec_t const& outputs, pending_queue_t& queue, size_t& ids_done, std::mutex& mutex, int append, bool ways) {
+#ifdef _MSC_VER
+	// Avoid problems when GEOS WKT-related methods switch the locale
+        _configthreadlocale(_ENABLE_PER_THREAD_LOCALE);
+#endif
         while (true) {
             //get the job off the queue synchronously
             pending_job_t job;