From: Alexander Terekhov (terekhov_at_[hidden])
Date: 2004-07-20 15:13:10
Alexander Terekhov wrote:
>
> Alexander Terekhov wrote:
> [...]
> > Err. m_retry_event.wait(), m_retry_event.set();
>
> I mean
>
> void lock() throw() {
> if (int lock_status = m_lock_status.cas(0, 1, msync::ddacq)) {
> do if (lock_status < 0 || m_lock_status.cas(1,-1, msync::ddacq))
> m_retry_event.wait();
> while (lock_status = m_lock_status.cas(0, 1, msync::ddacq));
> m_retry_event.set();
> }
> }
>
> bool trylock() throw() {
> return !m_lock_status.cas(0, 1, msync::ddacq);
> }
>
> void unlock() throw() {
> if (m_lock_status.swap(0, msync::rel) < 0)
> m_retry_event.set();
> }
Bad day. It still can go boom. Forget it. lock_queue is the way to go.
regards,
alexander.