libuv-svace-build

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/* Copyright libuv project contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include <errno.h>
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#ifndef _WIN32
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# include <fcntl.h>
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# include <sys/socket.h>
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# include <unistd.h>
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#endif
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#include "uv.h"
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#include "task.h"
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static int close_cb_called = 0;
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static void close_cb(uv_handle_t* handle) {
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  close_cb_called++;
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}
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static void poll_cb(uv_poll_t* handle, int status, int events) {
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  /* Not a bound socket, linux immediately reports UV_READABLE, other OS do not */
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  ASSERT_EQ(events, UV_READABLE);
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}
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TEST_IMPL(poll_multiple_handles) {
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  uv_os_sock_t sock;
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  uv_poll_t first_poll_handle, second_poll_handle;
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#ifdef _WIN32
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  {
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    struct WSAData wsa_data;
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    int r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
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    ASSERT_OK(r);
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  }
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#endif
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  sock = socket(AF_INET, SOCK_STREAM, 0);
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#ifdef _WIN32
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  ASSERT_NE(sock, INVALID_SOCKET);
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#else
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  ASSERT_NE(sock, -1);
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#endif
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  ASSERT_OK(uv_poll_init_socket(uv_default_loop(),
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                                &first_poll_handle,
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                                sock));
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  ASSERT_OK(uv_poll_init_socket(uv_default_loop(),
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                                &second_poll_handle,
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                                sock));
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  ASSERT_OK(uv_poll_start(&first_poll_handle, UV_READABLE, poll_cb));
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  /* We may not start polling while another polling handle is active
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   * on that fd.
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   */
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#ifndef _WIN32
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  /* We do not track handles in an O(1) lookupable way on Windows,
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   * so not checking that here.
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   */
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  ASSERT_EQ(uv_poll_start(&second_poll_handle, UV_READABLE, poll_cb),
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            UV_EEXIST);
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#endif
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  /* After stopping the other polling handle, we now should be able to poll */
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  ASSERT_OK(uv_poll_stop(&first_poll_handle));
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  ASSERT_OK(uv_poll_start(&second_poll_handle, UV_READABLE, poll_cb));
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  /* Closing an already stopped polling handle is safe in any case */
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  uv_close((uv_handle_t*) &first_poll_handle, close_cb);
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  uv_unref((uv_handle_t*) &second_poll_handle);
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  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
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  ASSERT_EQ(1, close_cb_called);
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  uv_ref((uv_handle_t*) &second_poll_handle);
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  ASSERT(uv_is_active((uv_handle_t*) &second_poll_handle));
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  uv_close((uv_handle_t*) &second_poll_handle, close_cb);
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  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
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  ASSERT_EQ(2, close_cb_called);
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  MAKE_VALGRIND_HAPPY(uv_default_loop());
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  return 0;
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}
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