[issue8052] subprocess close_fds behavior should only close open fds
report at bugs.python.org
Sun Mar 27 12:14:21 CEST 2011
STINNER Victor <victor.stinner at haypocalc.com> added the comment:
Can we use FD_CLOEXEC to archive this goal? Example: open all files with FD_CLOEXEC set and don't close explicitly files on fork. preexec_fn will get access to the files, but the problem is exec(), not preexec_fn.
I suppose that it will slow down programs not using subprocess, and it may have border effects.
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