Fixing a problem with thread creation signal order dependency

llvm-svn: 190831
diff --git a/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h b/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h
index ce66c03..5442867 100644
--- a/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h
+++ b/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h
@@ -193,6 +193,10 @@
     void
     StopMonitor();
 
+    // Waits for the initial stop message from a new thread.
+    bool
+    WaitForInitialTIDStop(lldb::tid_t tid);
+
 private:
     ProcessFreeBSD *m_process;