STINNER Victor <[email protected]> added the comment:
Oh, by the way: it would also be nice to add os.O_CLOEXEC to Python 2.7.
For example, tempfile._mkstemp_inner() uses:
fd = _os.open(file, flags, 0600)
_set_cloexec(fd) #Â fcntl(fd, F_SETFD, flags | FD_CLOEXEC)
which is not atomic.
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<http://bugs.python.org/issue12105>
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