static int
pgwin32_poll_signals(void)
{
if (UNBLOCKED_SIGNAL_QUEUE())
{
pgwin32_dispatch_queued_signals();
errno = EINTR;
return 1;
}
return 0;
}
/*
* Dispatch all signals currently queued and not blocked
* Blocked signals are ignored, and will be fired at the time of
* the sigsetmask() call.
*/
void
pgwin32_dispatch_queued_signals(void)
{
int i;
EnterCriticalSection(&pg_signal_crit_sec);
while (UNBLOCKED_SIGNAL_QUEUE())
{
/* One or more unblocked signals queued for execution */
int exec_mask = UNBLOCKED_SIGNAL_QUEUE();
for (i = 0; i < PG_SIGNAL_COUNT; i++)
{
if (exec_mask & sigmask(i))
{
/* Execute this signal */
pqsigfunc sig = pg_signal_array[i];
if (sig == SIG_DFL)
sig = pg_signal_defaults[i];
pg_signal_queue &= ~sigmask(i);
if (sig != SIG_ERR && sig != SIG_IGN && sig != SIG_DFL)
{
LeaveCriticalSection(&pg_signal_crit_sec);
sig(i);
EnterCriticalSection(&pg_signal_crit_sec);
break; /* Restart outer loop, in case signal mask or
* queue has been modified inside signal
* handler */
}
}
}
}
ResetEvent(pgwin32_signal_event);
LeaveCriticalSection(&pg_signal_crit_sec);
}
static void interruptCallback() {
if (UNBLOCKED_SIGNAL_QUEUE())
pgwin32_dispatch_queued_signals();
}
