static void PASCAL Timer(unsigned int uTimerID, unsigned int uMsg,
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
{
AsyncEvent *p;
double tm;
std::multimap<double, AsyncEvent *>::iterator e;
while (1)
{
p = s_acSleep.get();
if (p == NULL)
break;
tm = s_time + s_now + p->result();
s_tms.insert(std::make_pair(tm, p));
}
atom_xchg(&s_now, (int)(v8::internal::OS::TimeCurrentMillis() - s_time));
while (1)
{
e = s_tms.begin();
if (e == s_tms.end())
break;
if (e->first > s_time + s_now)
break;
e->second->apost(0);
s_tms.erase(e);
}
}
/** @brief Lock a mutex.
*
*
* @param mp the mutex
* @return 0 on success, negative if fail
*/
void mutex_lock(mutex_t *mp)
{
/* count the total number of threads who want to get the mutex */
ADD_LOCK_NUM(mp);
/* if the mutex has been destroyed, do not lock it */
/* No need to recover the counter above, it is destroyed */
if (MUTEX_DESTR_YES == mp->destroy)
return;
/* try to accquire mutex */
while (MUTEX_LOCK_NO != atom_xchg(&mp->lock, MUTEX_LOCK_YES))
/* yield to the thread who own the mutex */
yield (mp->thread);
/* get the mutex */
mp->thread = gettid();
return;
}
