[adb] Simplify ps called used in process_exists()

MozillaSecurity · Sep 13, 2022 · 3c29ed9 · 3c29ed9
1 parent 2a15ca8
commit 3c29ed9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/grizzly/target/adb_device/adb_session.py b/grizzly/target/adb_device/adb_session.py
@@ -667,7 +667,9 @@ def process_exists(self, pid):
         Returns:
             bool: True if the process exists otherwise False
         """
-        return any(self._get_procs(pid=pid))
+        # this is called frequently and should be as light weight as possible
+        pid = str(pid)
+        return pid in self.shell(["ps", "-p", pid, "-o", "pid"], timeout=30)[1]
 
     def pull(self, src, dst):
         """Copy file from connected device.