added better thread safty ... still broke

[physics.git] / src / handleSignal.cpp

diff --git a/src/handleSignal.cpp b/src/handleSignal.cpp
index ef9daa6..fa5a8c4 100644 (file)
--- a/src/handleSignal.cpp
+++ b/src/handleSignal.cpp
@@ -19,6 +19,7 @@
 
 #include <iostream>
 #include <signal.h>
+#include <stdlib.h>
 
 /// ***** Private Method Headers *****