/*
* Dispatches signal {signum} to all active uv_signal_t watchers in all loops.
* Returns 1 if the signal was dispatched to any watcher, or 0 if there were
* no active signal watchers observing this signal.
*/
int uv__signal_dispatch(int signum) {
uv_signal_t lookup;
uv_signal_t* handle;
int dispatched = 0;
EnterCriticalSection(&uv__signal_lock);
lookup.signum = signum;
lookup.loop = NULL;
for (handle = RB_NFIND(uv_signal_tree_s, &uv__signal_tree, &lookup);
handle != NULL && handle->signum == signum;
handle = RB_NEXT(uv_signal_tree_s, &uv__signal_tree, handle)) {
unsigned long previous = InterlockedExchange(&handle->pending_signum, signum);
if (!previous) {
POST_COMPLETION_FOR_REQ(handle->loop, &handle->signal_req);
}
dispatched = 1;
}
LeaveCriticalSection(&uv__signal_lock);
return dispatched;
}
tud_t *tud_first(uintptr_t key)
{ tud_t tmp; tmp.key = key; return RB_NFIND(tudtree_s, &Head, &tmp); }
cur_t *cur_first(int id)
{ cur_t tmp; tmp.id = id; return RB_NFIND(curtree_s, &Head, &tmp); }
static udata_t *udata_first(uintptr_t id)
{ udata_t tmp; tmp.id = id; return RB_NFIND(udatatree_s, &Head, &tmp); }
