void ae_delete_file_event(ae_event_loop * ev_loop, int fd, int mask)
{
if (fd >= ev_loop->setsize) return;
ae_file_event * fe = &ev_loop->events[fd];
if (fe->mask == AE_NONE) return;
fe->mask &= (~mask);
// Maybe fd still has a readable or writable event
if (fd == ev_loop->maxfd && fe->mask == AE_NONE) {
int j;
// Update maxfd
for (j = ev_loop->maxfd - 1; j >= 0; j--) {
if (ev_loop->events[fd].mask != AE_NONE) {
break;
}
}
ev_loop->maxfd = j;
}
ae_api_del_event(ev_loop, fd, mask);
}
/* Unregister a file event */
void ae_delete_file_event(ae_event_loop *el, int fd, int mask) {
if (fd >= AE_SETSIZE) {
return;
}
ae_file_event *fe = &el->events[fd];
if (fe->mask == AE_NONE) {
return;
}
fe->mask = fe->mask & (~mask);
if (fd == el->maxfd && fe->mask == AE_NONE) {
/* All the events on the fd were deleted, update the max fd. */
int j;
for (j = el->maxfd - 1; j >= 0; --j) {
if (el->events[j].mask != AE_NONE) {
break;
}
}
/* If all the file events on all fds deleted, max fd will get
back to -1. */
el->maxfd = j;
}
ae_api_del_event(el, fd, mask);
}