static void uv_poll_ex(uv_loop_t* loop, int block) {
BOOL success;
DWORD timeout;
uv_req_t* req;
OVERLAPPED_ENTRY overlappeds[64];
ULONG count;
ULONG i;
if (block) {
timeout = uv_get_poll_timeout(loop);
} else {
timeout = 0;
}
assert(pGetQueuedCompletionStatusEx);
success = pGetQueuedCompletionStatusEx(loop->iocp,
overlappeds,
COUNTOF(overlappeds),
&count,
timeout,
FALSE);
if (success) {
for (i = 0; i < count; i++) {
/* Package was dequeued */
req = uv_overlapped_to_req(overlappeds[i].lpOverlapped);
uv_insert_pending_req(loop, req);
}
} else if (GetLastError() != WAIT_TIMEOUT) {
/* Serious error */
uv_fatal_error(GetLastError(), "GetQueuedCompletionStatusEx");
}
}
static void uv_poll(uv_loop_t* loop, int block) {
BOOL success;
DWORD bytes, timeout;
ULONG_PTR key;
OVERLAPPED* overlapped;
uv_req_t* req;
if (block) {
timeout = uv_get_poll_timeout(loop);
} else {
timeout = 0;
}
success = GetQueuedCompletionStatus(loop->iocp,
&bytes,
&key,
&overlapped,
timeout);
if (overlapped) {
/* Package was dequeued */
req = uv_overlapped_to_req(overlapped);
uv_insert_pending_req(loop, req);
} else if (GetLastError() != WAIT_TIMEOUT) {
/* Serious error */
uv_fatal_error(GetLastError(), "GetQueuedCompletionStatus");
}
}
int uv_run_prework(uv_run_state* state) {
BOOL block;
uv_update_time(state->loop);
uv_process_timers(state->loop);
// Call idle callbacks if nothing to do.
if (state->loop->pending_reqs_tail == NULL &&
state->loop->endgame_handles == NULL) {
uv_idle_invoke(state->loop);
}
uv_process_reqs(state->loop);
uv_process_endgames(state->loop);
if (!UV_LOOP_ALIVE(state->loop))
return FALSE;
uv_prepare_invoke(state->loop);
block = (state->loop->idle_handles == NULL &&
state->loop->pending_reqs_tail == NULL &&
state->loop->endgame_handles == NULL &&
UV_LOOP_ALIVE(state->loop));
if (block)
state->timeout = uv_get_poll_timeout(state->loop);
else
state->timeout = 0;
state->count = 0;
return TRUE;
}
static void uv_poll_ex(int block) {
BOOL success;
DWORD timeout;
uv_req_t* req;
OVERLAPPED_ENTRY overlappeds[64];
ULONG count;
ULONG i;
if (block) {
timeout = uv_get_poll_timeout();
} else {
timeout = 0;
}
assert(pGetQueuedCompletionStatusEx);
success = pGetQueuedCompletionStatusEx(LOOP->iocp,
overlappeds,
COUNTOF(overlappeds),
&count,
timeout,
FALSE);
if (success) {
for (i = 0; i < count; i++) {
/* Package was dequeued */
req = uv_overlapped_to_req(overlappeds[i].lpOverlapped);
if (overlappeds[i].lpOverlapped->Internal != STATUS_SUCCESS) {
req->error = uv_new_sys_error(pRtlNtStatusToDosError(
overlappeds[i].lpOverlapped->Internal));
}
uv_insert_pending_req(req);
}
} else if (GetLastError() != WAIT_TIMEOUT) {
/* Serious error */
uv_fatal_error(GetLastError(), "GetQueuedCompletionStatusEx");
}
}