Re: [PATCH] nextfd(2)

[Alexey Dobriyan <adobriyan@xxxxxxxxx>]

On Sat, Apr 7, 2012 at 12:02 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> On 04/06/2012 01:16 PM, Alexey Dobriyan wrote:
>>
>> closefrom(3) written via nextfd(2) loop is reliable and doesn't fail.
>> closefrom(3) written via /proc/self/fd is reliable and can fail (including ENOMEM).
>> closefrom(3) written via close(fd++) is unreliable.
>>
>
> I call shenanigans on this.  There is no reason to ENOMEM on the second
> written using the fdwalk() implementation I already posted, for example.

open("/proc/self/fd") can fail with ENOMEM.
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