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import os
import signal
import subprocess
import sys
import unittest
from test import support
from test.support import script_helper
@unittest.skipUnless(os.name == "posix", "only supported on Unix")
class EINTRTests(unittest.TestCase):
@unittest.skipUnless(hasattr(signal, "setitimer"), "requires setitimer()")
def test_all(self):
# Run the tester in a sub-process, to make sure there is only one
# thread (for reliable signal delivery).
tester = support.findfile("eintr_tester.py", subdir="eintrdata")
# use -u to try to get the full output if the test hangs or crash
args = ["-u", tester, "-v"]
if support.verbose:
print()
print("--- run eintr_tester.py ---", flush=True)
# In verbose mode, the child process inherit stdout and stdout,
# to see output in realtime and reduce the risk of losing output.
args = [sys.executable, "-E", "-X", "faulthandler", *args]
proc = subprocess.run(args)
print(f"--- eintr_tester.py completed: "
f"exit code {proc.returncode} ---", flush=True)
if proc.returncode:
self.fail("eintr_tester.py failed")
else:
script_helper.assert_python_ok("-u", tester, "-v")
if __name__ == "__main__":
unittest.main()
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