# Re: Request for comments: reserving a value for O\_SEARCH and O\_EXEC

- From: Christoph Hellwig \<hidden\>
- Date: 2013-08-06 15:54:15 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2013/08/13328920
- Thread: https://ratatoskr.run/linux-api/2013/08/13328920/t.md

```text
On Tue, Aug 06, 2013 at 11:23:16AM -0400, Rich Felker wrote:
> > For that we'd also want to move fexec(ve) into the kernel space.
> 
> I agree this would be useful, but it's a separate issue.

I don't think it is.  The whole point of O_EXEC is to support fexecve.

Without moving it to kernel I can't see how you can make it strictly
conforming to this requirement in Posix that the file descriptor 
must be valid for executing.

Fortunately enough the kernel implementation is trivial.
```