Lines Matching refs:preexec_fn
2154 # of a preexec_fn. This is merely a test.
2159 preexec_fn=lambda: os.putenv("FRUIT", "apple"))
2168 preexec_fn=raise_it)
2172 "Expected a ValueError from the preexec_fn")
2176 self.fail("Exception raised by preexec_fn did not make it "
2216 stderr=subprocess.PIPE, preexec_fn=raise_it)
2226 preexec_fn=lambda: None)
2233 preexec_fn=lambda: None)
2254 preexec_fn=lambda: None)
2656 preexec_fn=prepare)
2664 self.assertEqual(str(err), "Exception occurred in preexec_fn.")
3125 # this FD is used as dup2() target by preexec_fn, and should be closed
3132 preexec_fn=lambda: os.dup2(1, fd))
3406 preexec_fn=lambda: 1)