Re: Bug#326648: libsqlite3-0: database handles can't be shared among threads any more
On Sun, Sep 04, 2005 at 10:07:56PM +0200, Florian Weimer wrote:
> * Florian Weimer:
> > * Adeodato Simó:
> >> Also, I have no idea what's the case for Debian: "On some versions of
> >> Linux, a thread is not able to override locks created by a different
> >> thread in the same process." Does this depend on the kernel, on libc,
> >> or on something else?
> > This is probably the same problem as the svnserve problem described
> > here:
> > <http://svn.haxx.se/dev/archive-2005-04/0355.shtml>
> > IIRC, NPTL is fine, but LinuxThreads aren't.
> I intended to write the opposite: file locks are a per-process
> resource in NPTL, so NPTL probably has the problems, and LinuxThreads
A question: why using file locking instead of thread mutexes (which is the proper
answer to syncronization issues in a thread-safe architecture)?
"It's more easy" is not a decent answer, of course.
Francesco P. Lovergine