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| author | Guido van Rossum <guido@python.org> | 2003-06-02 19:12:01 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2003-06-02 19:12:01 (GMT) |
| commit | 3800ef7ae2391e3bf6573b41fc6ac513cd3dde82 (patch) | |
| tree | 1a26e045b819651a01267635bf9ec2bff8667be7 | |
| parent | bf68c78a6fc00de1682428eef4488d757dd2f17b (diff) | |
| download | cpython-3800ef7ae2391e3bf6573b41fc6ac513cd3dde82.zip cpython-3800ef7ae2391e3bf6573b41fc6ac513cd3dde82.tar.gz cpython-3800ef7ae2391e3bf6573b41fc6ac513cd3dde82.tar.bz2 | |
When a previous call to poll() has already seen the process status,
wait() should not call waitpid() again.
Should be backported to 2.2.4.
| -rw-r--r-- | Lib/popen2.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Lib/popen2.py b/Lib/popen2.py index d6ff002..8a17641 100644 --- a/Lib/popen2.py +++ b/Lib/popen2.py @@ -83,10 +83,11 @@ class Popen3: def wait(self): """Wait for and return the exit status of the child process.""" - pid, sts = os.waitpid(self.pid, 0) - if pid == self.pid: - self.sts = sts - _active.remove(self) + if self.sts < 0: + pid, sts = os.waitpid(self.pid, 0) + if pid == self.pid: + self.sts = sts + _active.remove(self) return self.sts |