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/* 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;
}