1 files changed, 6 insertions, 1 deletions

diff --git a/packages/base/src/Internal/C/vector-aux.c b/packages/base/src/Internal/C/vector-aux.c
index 0b6b8b6..9dbf536 100644
--- a/packages/base/src/Internal/C/vector-aux.c
+++ b/packages/base/src/Internal/C/vector-aux.c
@@ -932,14 +932,19 @@ int vectorScan(char * file, int* n, double**pp){
 
 ////////////////////////////////////////////////////////////////////////////////
 
-#if defined (__APPLE__) || (__FreeBSD__) || defined(_WIN32) || defined(WIN32)
+#if defined (__APPLE__) || (__FreeBSD__)
 /* FreeBSD and Mac OS X do not provide random_r(), thread safety cannot be
    guaranteed.
    For FreeBSD and Mac OS X, nrand48() is much better than random().
    See: http://www.evanjones.ca/random-thread-safe.html
 */
 #pragma message "randomVector is not thread-safe in OSX and FreeBSD"
+#endif
 
+#if defined (__APPLE__) || (__FreeBSD__) || defined(_WIN32) || defined(WIN32)
+/* Windows use thread-safe random
+   See: http://stackoverflow.com/questions/143108/is-windows-rand-s-thread-safe
+*/
 inline double urandom() {
     /* the probalility of matching will be theoretically p^3(in fact, it is not)
        p is matching probalility of random().