2008/8/5 Daniel Baluta
<daniel.baluta@xxxxxxxxx>
man fcntl
Daniel.
On Tue, Aug 5, 2008 at 5:20 PM, Сергей - <
sergeykleymenov@xxxxxxxxx> wrote:
> Hello dear ALL,
>
>
> How can I change access mode of existing file descriptor.
> I have a file descriptor open for reading, and I need to write to this file
> descriptor.
>
> Thanks.
>
Cite from man fcntl:
F_SETFL
Set the file status flags to the value specified by arg. File access mode (O_RDONLY, O_WRONLY, O_RDWR) and file creation flags (i.e., O_CREAT, O_EXCL,O_NOCTTY, O_TRUNC) in arg are ignored. On Linux this command can only change the O_APPEND, O_ASYNC, O_DIRECT, O_NOATIME, and O_NONBLOCK flags.