1 files changed, 54 insertions, 0 deletions
diff --git a/sources/pyside6/tests/util/processtimer.py b/sources/pyside6/tests/util/processtimer.py
new file mode 100644
index 000000000..e471cf167
--- /dev/null
+++ b/sources/pyside6/tests/util/processtimer.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+import os
+import time
+
+
+class TimeoutException(Exception):
+    def __init__(self, msg):
+        self.msg = msg
+
+    def __str__(self):
+        return repr(self.msg)
+
+
+class ProcessTimer(object):
+    '''Timeout function for controlling a subprocess.Popen instance.
+
+    Naive implementation using busy loop, see later other means
+    of doing this.
+    '''
+
+    def __init__(self, proc, timeout):
+        self.proc = proc
+        self.timeout = timeout
+
+    def waitfor(self):
+        time_passed = 0
+        while (self.proc.poll() is None and time_passed < self.timeout):
+            time_passed = time_passed + 1
+            time.sleep(1)
+
+        if time_passed >= self.timeout:
+            raise TimeoutException("Timeout expired, possible deadlock")
+
+
+if __name__ == "__main__":
+    # simple example
+
+    from subprocess import Popen
+
+    proc = Popen(['sleep', '10'])
+    t = ProcessTimer(proc, 5)
+    try:
+        t.waitfor()
+    except TimeoutException:
+        print(f"timeout - PID: {t.proc.pid}")
+        #TODO: detect SO and kill accordingly
+        #Linux
+        os.kill(t.proc.pid, 9)
+        #Windows (not tested)
+        #subprocess.Popen("taskkill /F /T /PID %i"%handle.pid , shell=True)
+    print(f"exit code: {t.proc.poll()}")