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()