| """This test checks for correct wait3() behavior. |
| """ |
| |
| import os |
| import time |
| import unittest |
| from test.fork_wait import ForkWait |
| from test.test_support import run_unittest, reap_children |
| |
| try: |
| os.fork |
| except AttributeError: |
| raise unittest.SkipTest, "os.fork not defined -- skipping test_wait3" |
| |
| try: |
| os.wait3 |
| except AttributeError: |
| raise unittest.SkipTest, "os.wait3 not defined -- skipping test_wait3" |
| |
| class Wait3Test(ForkWait): |
| def wait_impl(self, cpid): |
| for i in range(10): |
| # wait3() shouldn't hang, but some of the buildbots seem to hang |
| # in the forking tests. This is an attempt to fix the problem. |
| spid, status, rusage = os.wait3(os.WNOHANG) |
| if spid == cpid: |
| break |
| time.sleep(1.0) |
| |
| self.assertEqual(spid, cpid) |
| self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8)) |
| self.assertTrue(rusage) |
| |
| def test_main(): |
| run_unittest(Wait3Test) |
| reap_children() |
| |
| if __name__ == "__main__": |
| test_main() |
