Re: Source code
On Tue, Jan 4, 2011 at 8:45 PM, brian m. carlson
> Because lots of programs expect something like
> fd = open("/tmp/foo", O_WRONLY|O_CREAT|O_EXCL);
> write(fd, "data", 4);
> to succeed. This is how Unix filesystem semantics work and pretty much
> always have. POSIX allows unlink(2) to return EBUSY, but that's not at
> all Unixy. The only case I can see for EBUSY is what NetBSD and OpenBSD
> do: restrict unlinking a mount point. (This is also the only case for
> EBUSY on Solaris, Ultrix, and HP-UX.)
unlink will probably return an error, but since that's not checked,
that snippet will succeed.
WRONLY seems weird, what's the purpose of a snippet like this?