don't read from pipe if it's empty

AdrianVollmer · Apr 24, 2019 · a8fdc66 · a8fdc66
1 parent e3d9986
commit a8fdc66
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/ph b/ph
@@ -93,7 +93,8 @@ def send_packet(p, return_response=False):
         return p
     else:
         r, _, _ = select.select([signal_pipe[0]], [], [], 3)
-        os.read(r[0], 1024)
+        if r:
+            os.read(r[0], 1024)
 
 
 def recv_packet(sock):