60e7f43998
Python sets the SIGPIPE handler to SIG_IGN. On execv() signal handlers are
reset to their defaults, EXCEPT those that are SIG_IGN which are left ignored.
In Python 3 subprocess.popen explicitly resets the SIGPIPE handler to SIG_DFL,
but unfortunately in Python 2.7 it does not. This leads to subprocesses being
executed with SIGPIPE ignored. This is often a problem with bash scripts which
rely on SIGPIPE to terminate commands in a pipe, but can easily be a problem
with other applications.
This implements the Python 3 behaviour for Python 2.7 by using a preexec_fn.
(cherry picked from commit f2dccb9)
Co-authored-by: Jonathan Oddy <jonathan.oddy@transferwise.com>
2 lines
112 B
YAML
2 lines
112 B
YAML
bugfixes:
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- Restore SIGPIPE to SIG_DFL when creating subprocesses to avoid it being ignored under Python 2.
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