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Issue #29335: Fix subprocess.Popen.wait() when the child process has

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exited to a stopped instead of terminated state (ex: when under ptrace).
This commit is contained in:
Gregory P. Smith 2017-01-22 17:29:44 -08:00
commit 78034c81fb
3 changed files with 48 additions and 1 deletions
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5
Lib/subprocess.py
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@ -1329,7 +1329,8 @@ class Popen(object):
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
_WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
_WEXITSTATUS=os.WEXITSTATUS):
_WEXITSTATUS=os.WEXITSTATUS, _WIFSTOPPED=os.WIFSTOPPED,
_WSTOPSIG=os.WSTOPSIG):
"""All callers to this function MUST hold self._waitpid_lock."""
# This method is called (indirectly) by __del__, so it cannot
# refer to anything outside of its local scope.
@ -1337,6 +1338,8 @@ class Popen(object):
self.returncode = -_WTERMSIG(sts)
elif _WIFEXITED(sts):
self.returncode = _WEXITSTATUS(sts)
elif _WIFSTOPPED(sts):
self.returncode = -_WSTOPSIG(sts)
else:
# Should never happen
raise SubprocessError("Unknown child exit status!")