interfect/tildefriends
1
0
Fork 0
forked from cory/tildefriends
Code Pull Requests Activity

libuv 1.46.0.

Browse Source 
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4336 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2023-07-04 00:24:48 +00:00
parent f0452704a1
commit ae0a8b0a33
65 changed files with 1519 additions and 755 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
deps/libuv/src/threadpool.c vendored
View File

@ -37,10 +37,10 @@ static unsigned int slow_io_work_running;
static unsigned int nthreads;
static uv_thread_t* threads;
static uv_thread_t default_threads[4];
static QUEUE exit_message;
static QUEUE wq;
static QUEUE run_slow_work_message;
static QUEUE slow_io_pending_wq;
static struct uv__queue exit_message;
static struct uv__queue wq;
static struct uv__queue run_slow_work_message;
static struct uv__queue slow_io_pending_wq;
static unsigned int slow_work_thread_threshold(void) {
return (nthreads + 1) / 2;
@ -56,7 +56,7 @@ static void uv__cancelled(struct uv__work* w) {
*/
static void worker(void* arg) {
struct uv__work* w;
QUEUE* q;
struct uv__queue* q;
int is_slow_work;
uv_sem_post((uv_sem_t*) arg);
@ -68,49 +68,49 @@ static void worker(void* arg) {
/* Keep waiting while either no work is present or only slow I/O
and we're at the threshold for that. */
while (QUEUE_EMPTY(&wq) ||
(QUEUE_HEAD(&wq) == &run_slow_work_message &&
QUEUE_NEXT(&run_slow_work_message) == &wq &&
while (uv__queue_empty(&wq) ||
(uv__queue_head(&wq) == &run_slow_work_message &&
uv__queue_next(&run_slow_work_message) == &wq &&
slow_io_work_running >= slow_work_thread_threshold())) {
idle_threads += 1;
uv_cond_wait(&cond, &mutex);
idle_threads -= 1;
}
q = QUEUE_HEAD(&wq);
q = uv__queue_head(&wq);
if (q == &exit_message) {
uv_cond_signal(&cond);
uv_mutex_unlock(&mutex);
break;
}
QUEUE_REMOVE(q);
QUEUE_INIT(q); /* Signal uv_cancel() that the work req is executing. */
uv__queue_remove(q);
uv__queue_init(q); /* Signal uv_cancel() that the work req is executing. */
is_slow_work = 0;
if (q == &run_slow_work_message) {
/* If we're at the slow I/O threshold, re-schedule until after all
other work in the queue is done. */
if (slow_io_work_running >= slow_work_thread_threshold()) {
QUEUE_INSERT_TAIL(&wq, q);
uv__queue_insert_tail(&wq, q);
continue;
}
/* If we encountered a request to run slow I/O work but there is none
to run, that means it's cancelled => Start over. */
if (QUEUE_EMPTY(&slow_io_pending_wq))
if (uv__queue_empty(&slow_io_pending_wq))
continue;
is_slow_work = 1;
slow_io_work_running++;
q = QUEUE_HEAD(&slow_io_pending_wq);
QUEUE_REMOVE(q);
QUEUE_INIT(q);
q = uv__queue_head(&slow_io_pending_wq);
uv__queue_remove(q);
uv__queue_init(q);
/* If there is more slow I/O work, schedule it to be run as well. */
if (!QUEUE_EMPTY(&slow_io_pending_wq)) {
QUEUE_INSERT_TAIL(&wq, &run_slow_work_message);
if (!uv__queue_empty(&slow_io_pending_wq)) {
uv__queue_insert_tail(&wq, &run_slow_work_message);
if (idle_threads > 0)
uv_cond_signal(&cond);
}
@ -118,13 +118,13 @@ static void worker(void* arg) {
uv_mutex_unlock(&mutex);
w = QUEUE_DATA(q, struct uv__work, wq);
w = uv__queue_data(q, struct uv__work, wq);
w->work(w);
uv_mutex_lock(&w->loop->wq_mutex);
w->work = NULL; /* Signal uv_cancel() that the work req is done
executing. */
QUEUE_INSERT_TAIL(&w->loop->wq, &w->wq);
uv__queue_insert_tail(&w->loop->wq, &w->wq);
uv_async_send(&w->loop->wq_async);
uv_mutex_unlock(&w->loop->wq_mutex);
@ -139,12 +139,12 @@ static void worker(void* arg) {
}
static void post(QUEUE* q, enum uv__work_kind kind) {
static void post(struct uv__queue* q, enum uv__work_kind kind) {
uv_mutex_lock(&mutex);
if (kind == UV__WORK_SLOW_IO) {
/* Insert into a separate queue. */
QUEUE_INSERT_TAIL(&slow_io_pending_wq, q);
if (!QUEUE_EMPTY(&run_slow_work_message)) {
uv__queue_insert_tail(&slow_io_pending_wq, q);
if (!uv__queue_empty(&run_slow_work_message)) {
/* Running slow I/O tasks is already scheduled => Nothing to do here.
The worker that runs said other task will schedule this one as well. */
uv_mutex_unlock(&mutex);
@ -153,7 +153,7 @@ static void post(QUEUE* q, enum uv__work_kind kind) {
q = &run_slow_work_message;
}
QUEUE_INSERT_TAIL(&wq, q);
uv__queue_insert_tail(&wq, q);
if (idle_threads > 0)
uv_cond_signal(&cond);
uv_mutex_unlock(&mutex);
@ -220,9 +220,9 @@ static void init_threads(void) {
if (uv_mutex_init(&mutex))
abort();
QUEUE_INIT(&wq);
QUEUE_INIT(&slow_io_pending_wq);
QUEUE_INIT(&run_slow_work_message);
uv__queue_init(&wq);
uv__queue_init(&slow_io_pending_wq);
uv__queue_init(&run_slow_work_message);
if (uv_sem_init(&sem, 0))
abort();
@ -285,9 +285,9 @@ static int uv__work_cancel(uv_loop_t* loop, uv_req_t* req, struct uv__work* w) {
uv_mutex_lock(&mutex);
uv_mutex_lock(&w->loop->wq_mutex);
cancelled = !QUEUE_EMPTY(&w->wq) && w->work != NULL;
cancelled = !uv__queue_empty(&w->wq) && w->work != NULL;
if (cancelled)
QUEUE_REMOVE(&w->wq);
uv__queue_remove(&w->wq);
uv_mutex_unlock(&w->loop->wq_mutex);
uv_mutex_unlock(&mutex);
@ -297,7 +297,7 @@ static int uv__work_cancel(uv_loop_t* loop, uv_req_t* req, struct uv__work* w) {
w->work = uv__cancelled;
uv_mutex_lock(&loop->wq_mutex);
QUEUE_INSERT_TAIL(&loop->wq, &w->wq);
uv__queue_insert_tail(&loop->wq, &w->wq);
uv_async_send(&loop->wq_async);
uv_mutex_unlock(&loop->wq_mutex);
@ -308,21 +308,21 @@ static int uv__work_cancel(uv_loop_t* loop, uv_req_t* req, struct uv__work* w) {
void uv__work_done(uv_async_t* handle) {
struct uv__work* w;
uv_loop_t* loop;
QUEUE* q;
QUEUE wq;
struct uv__queue* q;
struct uv__queue wq;
int err;
int nevents;
loop = container_of(handle, uv_loop_t, wq_async);
uv_mutex_lock(&loop->wq_mutex);
QUEUE_MOVE(&loop->wq, &wq);
uv__queue_move(&loop->wq, &wq);
uv_mutex_unlock(&loop->wq_mutex);
nevents = 0;
while (!QUEUE_EMPTY(&wq)) {
q = QUEUE_HEAD(&wq);
QUEUE_REMOVE(q);
while (!uv__queue_empty(&wq)) {
q = uv__queue_head(&wq);
uv__queue_remove(q);
w = container_of(q, struct uv__work, wq);
err = (w->work == uv__cancelled) ? UV_ECANCELED : 0;