Merge pull request #304 from black-square/feature/detect_deadlocks-option

Added an option `--detect_deadlocks`
diff --git a/src/scripts/lldb.py b/src/scripts/lldb.py
index 24dc71d..3e149aa 100644
--- a/src/scripts/lldb.py
+++ b/src/scripts/lldb.py
@@ -51,6 +51,11 @@
     launchInfo = lldb.SBLaunchInfo(args_arr)
     global listener
     launchInfo.SetListener(listener)
+    
+    #This env variable makes NSLog, CFLog and os_log messages get mirrored to stderr
+    #https://stackoverflow.com/a/39581193 
+    launchInfo.SetEnvironmentEntries(['OS_ACTIVITY_DT_MODE=enable'], True)
+    
     lldb.target.Launch(launchInfo, error)
     lockedstr = ': Locked'
     if lockedstr in str(error):