Re: /proc/<pid>/exe points to void

[Sam Steingold <sds at gnu dot org>]

> * Corinna Vinschen <pbevaan-pltjva@pltjva.pbz> [2005-03-11 17:09:56 +0100]:
>
> On Mar 11 10:57, Sam Steingold wrote:
>> > * Corinna Vinschen <pbevaan-pltjva@pltjva.pbz> [2005-03-10 23:00:45 +0100]:
>> >
>> > On Mar 10 16:00, Sam Steingold wrote:
>> >> /proc/<pid>/exe points to "foo", not to "foo.exe", so it cannot be
>> >> opened &c.
>> >         ^^^^
>> > 	????
>> 
>> how do I find out which file is running if /proc/<pid>/exe cannot be
>> opened?
>
> access(2) or stat(2)

http://www.opengroup.org/onlinepubs/009695399/functions/access.html
the above spec of access appears to indicate that if access() succeeds
then open() must succeed too.
this is not the case in cygwin: /proc/self/exe cannot be open()ed.

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