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Merge pull request #2887 from laloch/sudo-permission-error

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Fix exception when trying to send SIGSTOP to finished sudo child
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Morten Enemark Lund 2018-10-17 08:44:14 +02:00 • committed by GitHub
commit a3a0bf9621
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2 changed files with 9 additions and 2 deletions
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6
news/TEMPLATE.rst
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@ -6,6 +6,10 @@
**Removed:** None **Removed:** None
**Fixed:** None **Fixed:**
* Fixed a bug which under very rare conditions could cause the shell
to die with PermissionError exception while sending SIGSTOP signal
to a child process.
**Security:** None **Security:** None

5
xonsh/proc.py
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@ -2419,7 +2419,10 @@ def pause_call_resume(p, f, *args, **kwargs):
hasattr(p, "send_signal") and ON_POSIX and not ON_MSYS and not ON_CYGWIN hasattr(p, "send_signal") and ON_POSIX and not ON_MSYS and not ON_CYGWIN
) )
if can_send_signal: if can_send_signal:
p.send_signal(signal.SIGSTOP) try:
p.send_signal(signal.SIGSTOP)
except PermissionError:
pass
try: try:
f(*args, **kwargs) f(*args, **kwargs)
except Exception: except Exception: