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Merge pull request #476 from elindsey/develop 

register only a single poll_t with libuv
This commit is contained in:
Willem Toorop 2020-06-19 10:24:17 +02:00 committed by GitHub
parent f020cca206 2673a5736c
commit 7c767b1a5f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 42 deletions
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72
src/extension/libuv.c
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@ -73,8 +73,7 @@ getdns_libuv_cleanup(getdns_eventloop *loop)
}
typedef struct poll_timer {
uv_poll_t read;
uv_poll_t write;
uv_poll_t poll;
uv_timer_t timer;
int to_close;
struct mem_funcs mf;
@ -111,15 +110,8 @@ getdns_libuv_clear(getdns_eventloop *loop, getdns_eventloop_event *el_ev)
DEBUG_UV("enter libuv_clear(el_ev = %p, my_ev = %p, to_close = %d)\n"
, el_ev, my_ev, my_ev->to_close);
if (el_ev->read_cb) {
my_poll = &my_ev->read;
uv_poll_stop(my_poll);
my_ev->to_close += 1;
my_poll->data = my_ev;
uv_close((uv_handle_t *)my_poll, getdns_libuv_close_cb);
}
if (el_ev->write_cb) {
my_poll = &my_ev->write;
if (el_ev->read_cb || el_ev->write_cb) {
my_poll = &my_ev->poll;
uv_poll_stop(my_poll);
my_ev->to_close += 1;
my_poll->data = my_ev;
@ -139,29 +131,28 @@ getdns_libuv_clear(getdns_eventloop *loop, getdns_eventloop_event *el_ev)
}
static void
getdns_libuv_read_cb(uv_poll_t *poll, int status, int events)
getdns_libuv_cb(uv_poll_t *poll, int status, int events)
{
getdns_eventloop_event *el_ev = (getdns_eventloop_event *)poll->data;
(void)status; (void)events;
assert(el_ev->read_cb);
DEBUG_UV("enter libuv_read_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
el_ev->read_cb(el_ev->userarg);
DEBUG_UV("exit libuv_read_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
}
getdns_eventloop_event *el_ev = (getdns_eventloop_event *)poll->data;
(void)status;
static void
getdns_libuv_write_cb(uv_poll_t *poll, int status, int events)
{
getdns_eventloop_event *el_ev = (getdns_eventloop_event *)poll->data;
(void)status; (void)events;
assert(el_ev->write_cb);
DEBUG_UV("enter libuv_write_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
el_ev->write_cb(el_ev->userarg);
DEBUG_UV("exit libuv_write_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
if (events & UV_READABLE) {
assert(el_ev->read_cb);
DEBUG_UV("enter libuv_read_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
el_ev->read_cb(el_ev->userarg);
DEBUG_UV("exit libuv_read_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
} else if (events & UV_WRITABLE) {
assert(el_ev->write_cb);
DEBUG_UV("enter libuv_write_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
el_ev->write_cb(el_ev->userarg);
DEBUG_UV("exit libuv_write_cb(el_ev = %p, el_ev->ev = %p)\n"
, el_ev, el_ev->ev);
} else {
assert(ASSERT_UNREACHABLE);
}
}
static void
@ -205,18 +196,15 @@ getdns_libuv_schedule(getdns_eventloop *loop,
my_ev->to_close = 0;
my_ev->mf = ext->mf;
el_ev->ev = my_ev;
if (el_ev->read_cb) {
my_poll = &my_ev->read;
if (el_ev->read_cb || el_ev->write_cb) {
my_poll = &my_ev->poll;
my_poll->data = el_ev;
uv_poll_init(ext->loop, my_poll, fd);
uv_poll_start(my_poll, UV_READABLE, getdns_libuv_read_cb);
}
if (el_ev->write_cb) {
my_poll = &my_ev->write;
my_poll->data = el_ev;
uv_poll_init(ext->loop, my_poll, fd);
uv_poll_start(my_poll, UV_WRITABLE, getdns_libuv_write_cb);
int events =
(el_ev->read_cb ? UV_READABLE : 0) |
(el_ev->write_cb ? UV_WRITABLE : 0);
uv_poll_start(my_poll, events, getdns_libuv_cb);
}
if (el_ev->timeout_cb) {
my_timer = &my_ev->timer;