Message 179029 - Python tracker

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In-reply-to
Author	vstinner
Recipients	neologix, vstinner
Date	2013年01月04日.14:35:45
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1357310146.03.0.758048650169.issue16860@psf.upfronthosting.co.za>

Content
> Here's the patch. _set_cloexec() is still called whereas it is useless if the OS supports O_CLOEXEC... But the call must be kept because Linux < 2.6.23 just ignores O_CLOEXEC: we would have to check _fcntl.fcntl(fd, _fcntl.F_GETFD, 0) & _fcntl.FD_CLOEXEC to check if the kernel does really support O_CLOEXEC, which is overkill. The possibly useless syscall doesn't hurt. > (if the file is created with O_CREAT\|O_EXCL, then by definition it's not a symlink). Ah yes, because of O_EXCL. The patch looks good to me!

Content

> Here's the patch.
_set_cloexec() is still called whereas it is useless if the OS supports O_CLOEXEC... But the call must be kept because Linux < 2.6.23 just ignores O_CLOEXEC: we would have to check _fcntl.fcntl(fd, _fcntl.F_GETFD, 0) & _fcntl.FD_CLOEXEC to check if the kernel does really support O_CLOEXEC, which is overkill. The possibly useless syscall doesn't hurt.
> (if the file is created with O_CREAT|O_EXCL, then by definition it's not a symlink).
Ah yes, because of O_EXCL.
The patch looks good to me!

History
Date	User	Action	Args
2013年01月04日 14:35:46	vstinner	set	recipients: + vstinner, neologix
2013年01月04日 14:35:46	vstinner	set	messageid: <1357310146.03.0.758048650169.issue16860@psf.upfronthosting.co.za>
2013年01月04日 14:35:46	vstinner	link	issue16860 messages
2013年01月04日 14:35:45	vstinner	create

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