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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.
This commit is contained in:
Guido van Rossum 2003-06-02 19:12:01 +00:00
parent bf68c78a6f
commit 3800ef7ae2
1 changed files with 5 additions and 4 deletions
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9
Lib/popen2.py
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@ -83,10 +83,11 @@ class Popen3:
def wait(self): def wait(self):
"""Wait for and return the exit status of the child process.""" """Wait for and return the exit status of the child process."""
pid, sts = os.waitpid(self.pid, 0) if self.sts < 0:
if pid == self.pid: pid, sts = os.waitpid(self.pid, 0)
self.sts = sts if pid == self.pid:
_active.remove(self) self.sts = sts
_active.remove(self)
return self.sts return self.sts