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-rw-r--r--Lib/test/test_os.py16
1 files changed, 14 insertions, 2 deletions
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index d73bff2..342dada 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -13,6 +13,8 @@ import time
import shutil
from test import support
import contextlib
+import mmap
+import uuid
# Detect whether we're on a Linux system that uses the (now outdated
# and unmaintained) linuxthreads threading library. There's an issue
@@ -1029,13 +1031,23 @@ class Win32KillTests(unittest.TestCase):
self._kill(100)
def _kill_with_event(self, event, name):
+ tagname = "test_os_%s" % uuid.uuid1()
+ m = mmap.mmap(-1, 1, tagname)
+ m[0] = 0
# Run a script which has console control handling enabled.
proc = subprocess.Popen([sys.executable,
os.path.join(os.path.dirname(__file__),
- "win_console_handler.py")],
+ "win_console_handler.py"), tagname],
creationflags=subprocess.CREATE_NEW_PROCESS_GROUP)
# Let the interpreter startup before we send signals. See #3137.
- time.sleep(0.5)
+ count, max = 0, 20
+ while count < max and proc.poll() is None:
+ if m[0] == 0:
+ break
+ time.sleep(0.5)
+ count += 1
+ else:
+ self.fail("Subprocess didn't finish initialization")
os.kill(proc.pid, event)
# proc.send_signal(event) could also be done here.
# Allow time for the signal to be passed and the process to exit.