diff options
Diffstat (limited to 'Lib/test/test_signal.py')
| -rw-r--r-- | Lib/test/test_signal.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py index e613f5b..8a5a408 100644 --- a/Lib/test/test_signal.py +++ b/Lib/test/test_signal.py @@ -333,6 +333,9 @@ class SiginterruptTest(unittest.TestCase): def handler(signum, frame): pass + print("ready") + sys.stdout.flush() + signal.signal(signal.SIGALRM, handler) if interrupt is not None: signal.siginterrupt(signal.SIGALRM, interrupt) @@ -353,11 +356,15 @@ class SiginterruptTest(unittest.TestCase): """ % (interrupt,) with spawn_python('-c', code) as process: try: + # wait until the child process is loaded and has started + first_line = process.stdout.readline() + stdout, stderr = process.communicate(timeout=3.0) except subprocess.TimeoutExpired: process.kill() return False else: + stdout = first_line + stdout exitcode = process.wait() if exitcode not in (2, 3): raise Exception("Child error (exit code %s): %s" |