tildefriends/deps/libuv/test/test-poll-multiple-handles.c

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/* Copyright libuv project 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 <errno.h>
#ifndef _WIN32
# include <fcntl.h>
# include <sys/socket.h>
# include <unistd.h>
#endif
#include "uv.h"
#include "task.h"
static int close_cb_called = 0;
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
static void poll_cb(uv_poll_t* handle, int status, int events) {
/* Not a bound socket, linux immediately reports UV_READABLE, other OS do not */
ASSERT(events == UV_READABLE);
}
TEST_IMPL(poll_multiple_handles) {
uv_os_sock_t sock;
uv_poll_t first_poll_handle, second_poll_handle;
#ifdef _WIN32
{
struct WSAData wsa_data;
int r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
ASSERT(r == 0);
}
#endif
sock = socket(AF_INET, SOCK_STREAM, 0);
#ifdef _WIN32
ASSERT(sock != INVALID_SOCKET);
#else
ASSERT(sock != -1);
#endif
ASSERT(0 == uv_poll_init_socket(uv_default_loop(), &first_poll_handle, sock));
ASSERT(0 == uv_poll_init_socket(uv_default_loop(), &second_poll_handle, sock));
ASSERT(0 == uv_poll_start(&first_poll_handle, UV_READABLE, poll_cb));
/* We may not start polling while another polling handle is active
* on that fd.
*/
#ifndef _WIN32
/* We do not track handles in an O(1) lookupable way on Windows,
* so not checking that here.
*/
ASSERT(uv_poll_start(&second_poll_handle, UV_READABLE, poll_cb) == UV_EEXIST);
#endif
/* After stopping the other polling handle, we now should be able to poll */
ASSERT(0 == uv_poll_stop(&first_poll_handle));
ASSERT(0 == uv_poll_start(&second_poll_handle, UV_READABLE, poll_cb));
/* Closing an already stopped polling handle is safe in any case */
uv_close((uv_handle_t*) &first_poll_handle, close_cb);
uv_unref((uv_handle_t*) &second_poll_handle);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(close_cb_called == 1);
uv_ref((uv_handle_t*) &second_poll_handle);
ASSERT(uv_is_active((uv_handle_t*) &second_poll_handle));
uv_close((uv_handle_t*) &second_poll_handle, close_cb);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(close_cb_called == 2);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}