mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-24 07:26:51 +03:00
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "uv.h"
|
|
#include "task.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
|
|
#ifndef HAVE_KQUEUE
|
|
# if defined(__APPLE__) || \
|
|
defined(__DragonFly__) || \
|
|
defined(__FreeBSD__) || \
|
|
defined(__OpenBSD__) || \
|
|
defined(__NetBSD__)
|
|
# define HAVE_KQUEUE 1
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef HAVE_EPOLL
|
|
# if defined(__linux__)
|
|
# define HAVE_EPOLL 1
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(HAVE_KQUEUE) || defined(HAVE_EPOLL)
|
|
|
|
#if defined(HAVE_KQUEUE)
|
|
# include <sys/types.h>
|
|
# include <sys/event.h>
|
|
# include <sys/time.h>
|
|
#endif
|
|
|
|
#if defined(HAVE_EPOLL)
|
|
# include <sys/epoll.h>
|
|
#endif
|
|
|
|
static uv_thread_t embed_thread;
|
|
static uv_sem_t embed_sem;
|
|
static uv_timer_t embed_timer;
|
|
static uv_async_t embed_async;
|
|
static volatile int embed_closed;
|
|
|
|
static int embed_timer_called;
|
|
|
|
|
|
static void embed_thread_runner(void* arg) {
|
|
int r;
|
|
int fd;
|
|
int timeout;
|
|
|
|
while (!embed_closed) {
|
|
fd = uv_backend_fd(uv_default_loop());
|
|
timeout = uv_backend_timeout(uv_default_loop());
|
|
|
|
do {
|
|
#if defined(HAVE_KQUEUE)
|
|
struct timespec ts;
|
|
ts.tv_sec = timeout / 1000;
|
|
ts.tv_nsec = (timeout % 1000) * 1000000;
|
|
r = kevent(fd, NULL, 0, NULL, 0, &ts);
|
|
#elif defined(HAVE_EPOLL)
|
|
{
|
|
struct epoll_event ev;
|
|
r = epoll_wait(fd, &ev, 1, timeout);
|
|
}
|
|
#endif
|
|
} while (r == -1 && errno == EINTR);
|
|
uv_async_send(&embed_async);
|
|
uv_sem_wait(&embed_sem);
|
|
}
|
|
}
|
|
|
|
|
|
static void embed_cb(uv_async_t* async) {
|
|
uv_run(uv_default_loop(), UV_RUN_ONCE);
|
|
|
|
uv_sem_post(&embed_sem);
|
|
}
|
|
|
|
|
|
static void embed_timer_cb(uv_timer_t* timer) {
|
|
embed_timer_called++;
|
|
embed_closed = 1;
|
|
|
|
uv_close((uv_handle_t*) &embed_async, NULL);
|
|
}
|
|
#endif
|
|
|
|
|
|
TEST_IMPL(embed) {
|
|
#if defined(HAVE_KQUEUE) || defined(HAVE_EPOLL)
|
|
uv_loop_t external;
|
|
|
|
ASSERT(0 == uv_loop_init(&external));
|
|
|
|
embed_timer_called = 0;
|
|
embed_closed = 0;
|
|
|
|
uv_async_init(&external, &embed_async, embed_cb);
|
|
|
|
/* Start timer in default loop */
|
|
uv_timer_init(uv_default_loop(), &embed_timer);
|
|
uv_timer_start(&embed_timer, embed_timer_cb, 250, 0);
|
|
|
|
/* Start worker that will interrupt external loop */
|
|
uv_sem_init(&embed_sem, 0);
|
|
uv_thread_create(&embed_thread, embed_thread_runner, NULL);
|
|
|
|
/* But run external loop */
|
|
uv_run(&external, UV_RUN_DEFAULT);
|
|
|
|
uv_thread_join(&embed_thread);
|
|
uv_loop_close(&external);
|
|
|
|
ASSERT(embed_timer_called == 1);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|