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Issue #25654:

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* multiprocessing: open file with closefd=False to avoid ResourceWarning
* _test_multiprocessing: open file with O_EXCL to detect bugs in tests (if a
  previous test forgot to remove TESTFN)
* test_sys_exit(): remove TESTFN after each loop iteration

Initial patch written by Serhiy Storchaka.
This commit is contained in:
Victor Stinner 2016-03-25 09:29:50 +01:00
parent 540a81c720
commit 8a20851010
5 changed files with 39 additions and 19 deletions
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8
Lib/multiprocessing/forkserver.py
View file

@ -147,13 +147,7 @@ def main(listener_fd, alive_r, preload, main_path=None, sys_path=None):
except ImportError:
pass
# close sys.stdin
if sys.stdin is not None:
try:
sys.stdin.close()
sys.stdin = open(os.devnull)
except (OSError, ValueError):
pass
util._close_stdin()
# ignoring SIGCHLD means no need to reap zombie processes
handler = signal.signal(signal.SIGCHLD, signal.SIG_IGN)