Martin Panter added the comment:
The reported problem is when no timeout is given. Perhaps it would be
sufficient to:
1. Kill the child if any exception happens when a timeout is enforced
2. Never kill the child when there is no timeout
If a timeout is specified, the current code is good enough, but if no timeout
is specified, maybe we should just do the equivalent of:
with Popen(...) as p:
return p.wait()
# If interrupted, the context manager will wait again. If the interruption
is due to a terminal-wide SIGINT, the child may also have been interrupted.
For comparison, the Posix system() function is supposed to ignore SIGINT and
SIGQUIT (i.e. signals from the terminal). See the Gnu implementation:
<https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/posix/system.c>.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue25942>
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