Re: Atomic file creation

[Jacob Sparre Andersen <sparre@nbi.dk>]

vlc <just.another.spam.account@googlemail.com> writes:

> I am looking for a way to create a file without overwriting it. A
> simple approach would be:
>
> 1  if not Ada.Directories.Exists ("file") then
> 2     Ada.Text_IO.Create ("file");
> 3  end if;
>
> But this is not completely safe as it is not atomic.

POSIX.IO.Open_Or_Create (Name        => [...],
                         Mode        => [...],
                         Permissions => [...],
                         Options     => POSIX.IO.Exclusive);

Greetings,

Jacob
-- 
Insanity: doing the same thing over and over again and expecting
different results. (Albert Einstein)