void uv__cf_loop_cb(void* arg) {
uv_loop_t* loop;
QUEUE* item;
QUEUE split_head;
uv__cf_loop_signal_t* s;
loop = arg;
uv_mutex_lock(&loop->cf_mutex);
QUEUE_INIT(&split_head);
if (!QUEUE_EMPTY(&loop->cf_signals)) {
QUEUE* split_pos = QUEUE_HEAD(&loop->cf_signals);
QUEUE_SPLIT(&loop->cf_signals, split_pos, &split_head);
}
uv_mutex_unlock(&loop->cf_mutex);
while (!QUEUE_EMPTY(&split_head)) {
item = QUEUE_HEAD(&split_head);
s = QUEUE_DATA(item, uv__cf_loop_signal_t, member);
s->cb(s->arg);
QUEUE_REMOVE(item);
free(s);
}
}
void uv__udp_finish_close(uv_udp_t* handle) {
uv_udp_send_t* req;
QUEUE* q;
assert(!uv__io_active(&handle->io_watcher, UV__POLLIN | UV__POLLOUT));
assert(handle->io_watcher.fd == -1);
while (!QUEUE_EMPTY(&handle->write_queue)) {
q = QUEUE_HEAD(&handle->write_queue);
QUEUE_REMOVE(q);
req = QUEUE_DATA(q, uv_udp_send_t, queue);
req->status = -ECANCELED;
QUEUE_INSERT_TAIL(&handle->write_completed_queue, &req->queue);
}
uv__udp_run_completed(handle);
assert(handle->send_queue_size == 0);
assert(handle->send_queue_count == 0);
/* Now tear down the handle. */
handle->recv_cb = NULL;
handle->alloc_cb = NULL;
/* but _do not_ touch close_cb */
}
static void uv__write_callbacks(uv_stream_t* stream) {
uv_write_t* req;
QUEUE* q;
while (!QUEUE_EMPTY(&stream->write_completed_queue)) {
/* Pop a req off write_completed_queue. */
q = QUEUE_HEAD(&stream->write_completed_queue);
req = QUEUE_DATA(q, uv_write_t, queue);
QUEUE_REMOVE(q);
uv__req_unregister(stream->loop, req);
if (req->bufs != NULL) {
stream->write_queue_size -= uv__write_req_size(req);
if (req->bufs != req->bufsml)
free(req->bufs);
req->bufs = NULL;
}
/* NOTE: call callback AFTER freeing the request data. */
if (req->cb)
req->cb(req, req->error);
}
assert(QUEUE_EMPTY(&stream->write_completed_queue));
}
static void uv__udp_run_completed(uv_udp_t* handle) {
uv_udp_send_t* req;
QUEUE* q;
while (!QUEUE_EMPTY(&handle->write_completed_queue)) {
q = QUEUE_HEAD(&handle->write_completed_queue);
QUEUE_REMOVE(q);
req = QUEUE_DATA(q, uv_udp_send_t, queue);
uv__req_unregister(handle->loop, req);
if (req->bufs != req->bufsml)
free(req->bufs);
req->bufs = NULL;
if (req->send_cb == NULL)
continue;
/* req->status >= 0 == bytes written
* req->status < 0 == errno
*/
if (req->status >= 0)
req->send_cb(req, 0);
else
req->send_cb(req, req->status);
}
}
static void uv__cf_loop_cb(void* arg) {
uv_loop_t* loop;
QUEUE* item;
QUEUE split_head;
uv__cf_loop_signal_t* s;
loop = arg;
uv_mutex_lock(&loop->cf_mutex);
QUEUE_INIT(&split_head);
if (!QUEUE_EMPTY(&loop->cf_signals)) {
QUEUE* split_pos = QUEUE_HEAD(&loop->cf_signals);
QUEUE_SPLIT(&loop->cf_signals, split_pos, &split_head);
}
uv_mutex_unlock(&loop->cf_mutex);
while (!QUEUE_EMPTY(&split_head)) {
item = QUEUE_HEAD(&split_head);
s = QUEUE_DATA(item, uv__cf_loop_signal_t, member);
/* This was a termination signal */
if (s->cb == NULL)
CFRunLoopStop(loop->cf_loop);
else
s->cb(s->arg);
QUEUE_REMOVE(item);
free(s);
}
}
void uv__udp_finish_close(uv_udp_t* handle) {
uv_udp_send_t* req;
QUEUE* q;
assert(!uv__io_active(&handle->io_watcher, UV__POLLIN | UV__POLLOUT));
assert(handle->io_watcher.fd == -1);
uv__udp_run_completed(handle);
while (!QUEUE_EMPTY(&handle->write_queue)) {
q = QUEUE_HEAD(&handle->write_queue);
QUEUE_REMOVE(q);
req = QUEUE_DATA(q, uv_udp_send_t, queue);
uv__req_unregister(handle->loop, req);
if (req->bufs != req->bufsml)
free(req->bufs);
req->bufs = NULL;
if (req->send_cb != NULL)
req->send_cb(req, -ECANCELED);
}
/* Now tear down the handle. */
handle->recv_cb = NULL;
handle->alloc_cb = NULL;
/* but _do not_ touch close_cb */
}
static void uv__inotify_read(uv_loop_t* loop,
uv__io_t* dummy,
unsigned int events) {
const struct uv__inotify_event* e;
struct watcher_list* w;
uv_fs_event_t* h;
QUEUE queue;
QUEUE* q;
const char* path;
ssize_t size;
const char *p;
/* needs to be large enough for sizeof(inotify_event) + strlen(path) */
char buf[4096];
while (1) {
do
size = read(loop->inotify_fd, buf, sizeof(buf));
while (size == -1 && errno == EINTR);
if (size == -1) {
assert(errno == EAGAIN || errno == EWOULDBLOCK);
break;
}
assert(size > 0); /* pre-2.6.21 thing, size=0 == read buffer too small */
/* Now we have one or more inotify_event structs. */
for (p = buf; p < buf + size; p += sizeof(*e) + e->len) {
e = (const struct uv__inotify_event*)p;
events = 0;
if (e->mask & (UV__IN_ATTRIB|UV__IN_MODIFY))
events |= UV_CHANGE;
if (e->mask & ~(UV__IN_ATTRIB|UV__IN_MODIFY))
events |= UV_RENAME;
w = find_watcher(loop, e->wd);
if (w == NULL)
continue; /* Stale event, no watchers left. */
/* inotify does not return the filename when monitoring a single file
* for modifications. Repurpose the filename for API compatibility.
* I'm not convinced this is a good thing, maybe it should go.
*/
path = e->len ? (const char*) (e + 1) : uv__basename_r(w->path);
QUEUE_MOVE(&w->watchers, &queue);
while (!QUEUE_EMPTY(&queue)) {
q = QUEUE_HEAD(&queue);
h = QUEUE_DATA(q, uv_fs_event_t, watchers);
QUEUE_REMOVE(q);
QUEUE_INSERT_TAIL(&w->watchers, q);
h->cb(h, path, events, 0);
}
}
}
}
static void uv__udp_run_pending(uv_udp_t* handle) {
uv_udp_send_t* req;
QUEUE* q;
struct msghdr h;
ssize_t size;
while (!QUEUE_EMPTY(&handle->write_queue)) {
q = QUEUE_HEAD(&handle->write_queue);
assert(q != NULL);
req = QUEUE_DATA(q, uv_udp_send_t, queue);
assert(req != NULL);
memset(&h, 0, sizeof h);
h.msg_name = &req->addr;
h.msg_namelen = (req->addr.sin6_family == AF_INET6 ?
sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in));
h.msg_iov = (struct iovec*)req->bufs;
h.msg_iovlen = req->bufcnt;
do {
size = sendmsg(handle->io_watcher.fd, &h, 0);
}
while (size == -1 && errno == EINTR);
/* TODO try to write once or twice more in the
* hope that the socket becomes readable again?
*/
if (size == -1 && (errno == EAGAIN || errno == EWOULDBLOCK))
break;
req->status = (size == -1 ? -errno : size);
#ifndef NDEBUG
/* Sanity check. */
if (size != -1) {
ssize_t nbytes;
int i;
for (nbytes = i = 0; i < req->bufcnt; i++)
nbytes += req->bufs[i].len;
assert(size == nbytes);
}
#endif
/* Sending a datagram is an atomic operation: either all data
* is written or nothing is (and EMSGSIZE is raised). That is
* why we don't handle partial writes. Just pop the request
* off the write queue and onto the completed queue, done.
*/
QUEUE_REMOVE(&req->queue);
QUEUE_INSERT_TAIL(&handle->write_completed_queue, &req->queue);
}
}
static void loop_run_immediate(evLoop *loop) {
QUEUE *q;
evHandle *handle;
while ( !QUEUE_EMPTY(&loop->handle_queue) ){
q = QUEUE_HEAD(&(loop)->handle_queue);
QUEUE_REMOVE(q);
handle = QUEUE_DATA(q, evHandle, queue);
assert(handle);
handle->cb(handle);
}
}
static uv_process_t* uv__process_find(uv_loop_t* loop, int pid) {
uv_process_t* handle;
QUEUE* h;
QUEUE* q;
h = uv__process_queue(loop, pid);
QUEUE_FOREACH(q, h) {
handle = QUEUE_DATA(q, uv_process_t, queue);
if (handle->pid == pid) return handle;
}
void uv_chan_clear(uv_chan_t *chan) {
uv_mutex_lock(&chan->mutex);
uv__chan_item_t *item = NULL;
QUEUE *head = NULL;
while (!QUEUE_EMPTY(&chan->q)) {
head = QUEUE_HEAD(&chan->q);
item = QUEUE_DATA(head, uv__chan_item_t, active_queue);
QUEUE_REMOVE(head);
free(item);
}
uv_mutex_unlock(&chan->mutex);
}
void tls__write_done_cb(uv_write_t* w, int status)
{
tr_uv_wi_t* wi = NULL;
int i;
QUEUE* q;
GET_TLS(w);
tt->is_writing = 0;
if (status) {
pc_lib_log(PC_LOG_ERROR, "tcp__write_done_cb - uv_write callback error: %s", uv_strerror(status));
}
status = status ? PC_RC_ERROR : PC_RC_OK;
pc_mutex_lock(&tt->wq_mutex);
while(!QUEUE_EMPTY(&tt->writing_queue)) {
q = QUEUE_HEAD(&tt->writing_queue);
QUEUE_REMOVE(q);
QUEUE_INIT(q);
wi = (tr_uv_wi_t* )QUEUE_DATA(q, tr_uv_wi_t, queue);
if (!status && TR_UV_WI_IS_RESP(wi->type)) {
pc_lib_log(PC_LOG_DEBUG, "tls__write_to_tcp - move wi from writing queue to resp pending queue,"
" seq_num: %u, req_id: %u", wi->seq_num, wi->req_id);
QUEUE_INSERT_TAIL(&tt->resp_pending_queue, q);
continue;
};
pc_lib_free(wi->buf.base);
wi->buf.base = NULL;
wi->buf.len = 0;
if (TR_UV_WI_IS_NOTIFY(wi->type)) {
pc_trans_sent(tt->client, wi->seq_num, status);
}
if (TR_UV_WI_IS_RESP(wi->type)) {
pc_trans_resp(tt->client, wi->req_id, status, NULL);
}
// if internal, do nothing here.
if (PC_IS_PRE_ALLOC(wi->type)) {
PC_PRE_ALLOC_SET_IDLE(wi->type);
} else {
pc_lib_free(wi);
}
}
pc_mutex_unlock(&tt->wq_mutex);
tls__write_to_tcp(tls);
}
static void ref_pop(QUEUE *refs)
{
QUEUE *h = QUEUE_HEAD(refs);
queue_ref_item *item = QUEUE_DATA(h, queue_ref_item, node);
QUEUE_REMOVE(&item->node);
void *ref = item->item.ref;
if (item->item.v_type == VAR_LIST) {
List *l = ref;
utarray_free(l->items);
}
free(item);
free(ref);
}
static void uv__stream_flush_write_queue(uv_stream_t* stream, int error) {
uv_write_t* req;
QUEUE* q;
while (!QUEUE_EMPTY(&stream->write_queue)) {
q = QUEUE_HEAD(&stream->write_queue);
QUEUE_REMOVE(q);
req = QUEUE_DATA(q, uv_write_t, queue);
req->error = error;
QUEUE_INSERT_TAIL(&stream->write_completed_queue, &req->queue);
}
}
static void uv__run_pending(uv_loop_t* loop) {
QUEUE* q;
uv__io_t* w;
while (!QUEUE_EMPTY(&loop->pending_queue)) {
q = QUEUE_HEAD(&loop->pending_queue);
QUEUE_REMOVE(q);
QUEUE_INIT(q);
w = QUEUE_DATA(q, uv__io_t, pending_queue);
w->cb(loop, w, UV__POLLOUT);
}
}
static int _worker_dispatch_cb (evHandle *handle){
comoWorker *worker = handle->data;
duk_context *ctx = worker->Mainctx;
mtx_lock(&worker->mtx);
QUEUE *q;
while ( !QUEUE_EMPTY(&worker->queueOut) ){
q = QUEUE_HEAD(&(worker)->queueOut);
QUEUE_REMOVE(q);
comoQueue *queue = QUEUE_DATA(q, comoQueue, queue);
if (worker->destroy != 0){
goto FREE;
}
duk_push_heapptr(ctx, worker->self);
if (duk_get_type(ctx, -1) != DUK_TYPE_OBJECT){
dump_stack(ctx, "DUK");
assert(0);
}
como_push_worker_value(ctx, queue);
duk_call(ctx, 1);
duk_pop(ctx);
FREE :
/* free except in case of pointers */
if (queue->data != NULL && queue->type != DUK_TYPE_POINTER){
free(queue->data);
}
free(queue);
}
mtx_unlock(&worker->mtx);
if (worker->destroy == 2){
duk_push_global_stash(ctx);
duk_get_prop_string(ctx, -1, "comoWorkersCallBack");
duk_push_number(ctx, (double) handle->id);
duk_del_prop(ctx, -2);
handle_close(handle);
free(worker);
}
return 0;
}
void loop_run_closing_handles(evLoop *loop){
QUEUE *q;
evHandle *handle;
while ( !QUEUE_EMPTY(&loop->closing_queue) ){
q = QUEUE_HEAD(&(loop)->closing_queue);
QUEUE_REMOVE(q);
handle = QUEUE_DATA(q, evHandle, queue);
assert(handle);
if (handle->close != NULL){
handle->close(handle);
}
// _free_handle(handle);
}
}
int ravaL_cond_signal(rava_cond_t* cond)
{
QUEUE* q;
rava_state_t* s;
if (!QUEUE_EMPTY(cond)) {
q = QUEUE_HEAD(cond);
s = QUEUE_DATA(q, rava_state_t, cond);
QUEUE_REMOVE(q);
TRACE("READY state %p\n", s);
ravaL_state_ready(s);
return 1;
}
return 0;
}
void *uv_chan_receive(uv_chan_t *chan) {
uv__chan_item_t *item;
QUEUE *head;
void *data = NULL;
uv_mutex_lock(&chan->mutex);
while (QUEUE_EMPTY(&chan->q)) {
uv_cond_wait(&chan->cond, &chan->mutex);
}
head = QUEUE_HEAD(&chan->q);
item = QUEUE_DATA(head, uv__chan_item_t, active_queue);
data = item->data;
QUEUE_REMOVE(head);
free(item);
uv_mutex_unlock(&chan->mutex);
return data;
}
static void uv__async_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
char buf[1024];
ssize_t r;
QUEUE queue;
QUEUE* q;
uv_async_t* h;
assert(w == &loop->async_io_watcher);
for (;;) {
r = read(w->fd, buf, sizeof(buf));
if (r == sizeof(buf))
continue;
if (r != -1)
break;
if (errno == EAGAIN || errno == EWOULDBLOCK)
break;
if (errno == EINTR)
continue;
abort();
}
QUEUE_MOVE(&loop->async_handles, &queue);
while (!QUEUE_EMPTY(&queue)) {
q = QUEUE_HEAD(&queue);
h = QUEUE_DATA(q, uv_async_t, queue);
QUEUE_REMOVE(q);
QUEUE_INSERT_TAIL(&loop->async_handles, q);
if (cmpxchgi(&h->pending, 1, 0) == 0)
continue;
if (h->async_cb == NULL)
continue;
h->async_cb(h);
}
}
int loop_start (evLoop *loop, int type){
while (loop->active_handles){
/* closing handles */
QUEUE *q;
evHandle *handle;
while ( !QUEUE_EMPTY(&loop->closing_queue) ){
q = QUEUE_HEAD(&(loop)->closing_queue);
QUEUE_REMOVE(q);
handle = QUEUE_DATA(q, evHandle, queue);
assert(handle);
if (handle->close != NULL){
handle->close(handle);
}
_free_handle(handle);
}
loop_update_time(loop);
int timeout;
if (type == 1){
timeout = 0;
} else {
timeout = next_timeout(loop);
}
loop_run_timers(loop);
loop_run_immediate(loop);
if (QUEUE_EMPTY(&loop->io_queue)) {
#ifdef _WIN32
Sleep(timeout);
#else
usleep(1000 * timeout);
#endif
} else {
io_poll(loop, timeout);
}
/* run once */
if (type == 1){ break; }
}
return loop->active_handles > 0;
}
void wan_tick()
{
wan_driver_tick();
// check to see if we have a new message
if(wan_queue.count > 0) {
queue_header_t *qh;
qh = wan_queue.head;
wan_msg_t *msg = (wan_msg_t *) QUEUE_DATA(qh);
// TODO: Handle Messages
// do something with the message
// Dequeue the message
queue_remove(&wan_queue, (queue_header_t*) msg);
}
}
static void tls__write_to_tcp(tr_uv_tls_transport_t* tls)
{
QUEUE* q;
char* ptr;
size_t len;
uv_buf_t buf;
tr_uv_wi_t* wi = NULL;
tr_uv_tcp_transport_t* tt = (tr_uv_tcp_transport_t*)tls;
if (tt->is_writing)
return;
len = BIO_pending(tls->out);
if (len == 0) {
assert(QUEUE_EMPTY(&tls->when_tcp_is_writing_queue));
uv_async_send(&tt->write_async);
return ;
}
while(!QUEUE_EMPTY(&tls->when_tcp_is_writing_queue)) {
q = QUEUE_HEAD(&tls->when_tcp_is_writing_queue);
QUEUE_REMOVE(q);
QUEUE_INIT(q);
wi = (tr_uv_wi_t* )QUEUE_DATA(q, tr_uv_wi_t, queue);
pc_lib_log(PC_LOG_DEBUG, "tls__write_to_tcp - move wi from when tcp is writing queue to writing queue,"
" seq_num: %u, req_id: %u", wi->seq_num, wi->req_id);
QUEUE_INSERT_TAIL(&tt->writing_queue, q);
}
BIO_get_mem_data(tls->out, &ptr);
buf.base = ptr;
buf.len = len;
// TODO: error handling
tt->write_req.data = tls;
uv_write(&tt->write_req, (uv_stream_t* )&tt->socket, &buf, 1, tls__write_done_cb);
BIO_reset(tls->out);
tt->is_writing = 1;
}
static void uv__udp_run_completed(uv_udp_t* handle) {
uv_udp_send_t* req;
QUEUE* q;
assert(!(handle->flags & UV_UDP_PROCESSING));
handle->flags |= UV_UDP_PROCESSING;
while (!QUEUE_EMPTY(&handle->write_completed_queue)) {
q = QUEUE_HEAD(&handle->write_completed_queue);
QUEUE_REMOVE(q);
req = QUEUE_DATA(q, uv_udp_send_t, queue);
uv__req_unregister(handle->loop, req);
handle->send_queue_size -= uv__count_bufs(req->bufs, req->nbufs);
handle->send_queue_count--;
if (req->bufs != req->bufsml)
uv__free(req->bufs);
req->bufs = NULL;
if (req->send_cb == NULL)
continue;
/* req->status >= 0 == bytes written
* req->status < 0 == errno
*/
if (req->status >= 0)
req->send_cb(req, 0);
else
req->send_cb(req, req->status);
}
if (QUEUE_EMPTY(&handle->write_queue)) {
/* Pending queue and completion queue empty, stop watcher. */
uv__io_stop(handle->loop, &handle->io_watcher, UV__POLLOUT);
if (!uv__io_active(&handle->io_watcher, UV__POLLIN))
uv__handle_stop(handle);
}
handle->flags &= ~UV_UDP_PROCESSING;
}
static int uv__run_pending(uv_loop_t* loop) {
QUEUE* q;
QUEUE pq;
uv__io_t* w;
if (QUEUE_EMPTY(&loop->pending_queue))
return 0;
QUEUE_MOVE(&loop->pending_queue, &pq);
while (!QUEUE_EMPTY(&pq)) {
q = QUEUE_HEAD(&pq);
QUEUE_REMOVE(q);
QUEUE_INIT(q);
w = QUEUE_DATA(q, uv__io_t, pending_queue);
w->cb(loop, w, POLLOUT);
}
return 1;
}
int ravaL_cond_broadcast(rava_cond_t* cond)
{
QUEUE* q;
rava_state_t* s;
int roused = 0;
while (!QUEUE_EMPTY(cond)) {
q = QUEUE_HEAD(cond);
s = QUEUE_DATA(q, rava_state_t, cond);
QUEUE_REMOVE(q);
TRACE("READY state %p\n", s);
ravaL_state_ready(s);
++roused;
}
return roused;
}
void uv__platform_loop_delete(uv_loop_t* loop) {
QUEUE* item;
uv__cf_loop_signal_t* s;
assert(loop->cf_loop != NULL);
uv__cf_loop_signal(loop, NULL, NULL);
uv_thread_join(&loop->cf_thread);
uv_sem_destroy(&loop->cf_sem);
uv_mutex_destroy(&loop->cf_mutex);
/* Free any remaining data */
while (!QUEUE_EMPTY(&loop->cf_signals)) {
item = QUEUE_HEAD(&loop->cf_signals);
s = QUEUE_DATA(item, uv__cf_loop_signal_t, member);
QUEUE_REMOVE(item);
free(s);
}
}
void EIO_AfterWrite(uv_work_t* req) {
NanScope();
QueuedWrite* queuedWrite = static_cast<QueuedWrite*>(req->data);
WriteBaton* data = static_cast<WriteBaton*>(queuedWrite->baton);
v8::Handle<v8::Value> argv[2];
if(data->errorString[0]) {
argv[0] = v8::Exception::Error(NanNew<v8::String>(data->errorString));
argv[1] = NanUndefined();
} else {
argv[0] = NanUndefined();
argv[1] = NanNew<v8::Int32>(data->result);
}
data->callback->Call(2, argv);
if (data->offset < data->bufferLength && !data->errorString[0]) {
// We're not done with this baton, so throw it right back onto the queue.
// Don't re-push the write in the event loop if there was an error; because same error could occur again!
// TODO: Add a uv_poll here for unix...
uv_queue_work(uv_default_loop(), req, EIO_Write, (uv_after_work_cb)EIO_AfterWrite);
return;
}
uv_mutex_lock(&write_queue_mutex);
QUEUE_REMOVE(&queuedWrite->queue);
if (!QUEUE_EMPTY(&write_queue)) {
// Always pull the next work item from the head of the queue
QUEUE* head = QUEUE_HEAD(&write_queue);
QueuedWrite* nextQueuedWrite = QUEUE_DATA(head, QueuedWrite, queue);
uv_queue_work(uv_default_loop(), &nextQueuedWrite->req, EIO_Write, (uv_after_work_cb)EIO_AfterWrite);
}
uv_mutex_unlock(&write_queue_mutex);
NanDisposePersistent(data->buffer);
delete data->callback;
delete data;
delete queuedWrite;
}
static void uv__udp_sendmsg(uv_udp_t* handle) {
uv_udp_send_t* req;
QUEUE* q;
struct msghdr h;
ssize_t size;
while (!QUEUE_EMPTY(&handle->write_queue)) {
q = QUEUE_HEAD(&handle->write_queue);
assert(q != NULL);
req = QUEUE_DATA(q, uv_udp_send_t, queue);
assert(req != NULL);
memset(&h, 0, sizeof h);
h.msg_name = &req->addr;
h.msg_namelen = (req->addr.ss_family == AF_INET6 ?
sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in));
h.msg_iov = (struct iovec*) req->bufs;
h.msg_iovlen = req->nbufs;
do {
size = sendmsg(handle->io_watcher.fd, &h, 0);
} while (size == -1 && errno == EINTR);
if (size == -1 && (errno == EAGAIN || errno == EWOULDBLOCK))
break;
req->status = (size == -1 ? -errno : size);
/* Sending a datagram is an atomic operation: either all data
* is written or nothing is (and EMSGSIZE is raised). That is
* why we don't handle partial writes. Just pop the request
* off the write queue and onto the completed queue, done.
*/
QUEUE_REMOVE(&req->queue);
QUEUE_INSERT_TAIL(&handle->write_completed_queue, &req->queue);
uv__io_feed(handle->loop, &handle->io_watcher);
}
}
static void uv__async_event(uv_loop_t* loop,
struct uv__async* w,
unsigned int nevents) {
QUEUE queue;
QUEUE* q;
uv_async_t* h;
QUEUE_MOVE(&loop->async_handles, &queue);
while (!QUEUE_EMPTY(&queue)) {
q = QUEUE_HEAD(&queue);
h = QUEUE_DATA(q, uv_async_t, queue);
QUEUE_REMOVE(q);
QUEUE_INSERT_TAIL(&loop->async_handles, q);
if (cmpxchgi(&h->pending, 1, 0) == 0)
continue;
if (h->async_cb == NULL)
continue;
h->async_cb(h);
}
}