Charles-Francois Natali <neolo...@free.fr> added the comment: > Your posix_closefrom() implementation as written today is not safe to call > between fork() and exec() due to the opendir/readdir implementation. It can > and will hang processes at unexpected times.
Yeah, I remove the patch when I realized that. > According to http://www.unix.com/man-page/All/3c/closefrom/ closefrom() is > not async-signal-safe. :( Strange. I was sure closefrom was implemented with fcntl. > I still want to find a way to do this nicely on Linux (even if it means me > going and implementing a closefrom syscall to be added to 2.6.39). Well, arguably, CLOEXEC is designed to cope with this kind of situation. closefrom is more like a hack (and mostly useless if it's really not async-safe). ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue11284> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com