Home | History | Annotate | Line # | Download | only in test 
      1 /* Copyright libuv project contributors. All rights reserved.
      2  *
      3  * Permission is hereby granted, free of charge, to any person obtaining a copy
      4  * of this software and associated documentation files (the "Software"), to
      5  * deal in the Software without restriction, including without limitation the
      6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
      7  * sell copies of the Software, and to permit persons to whom the Software is
      8  * furnished to do so, subject to the following conditions:
      9  *
     10  * The above copyright notice and this permission notice shall be included in
     11  * all copies or substantial portions of the Software.
     12  *
     13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     19  * IN THE SOFTWARE.
     20  */
     21 
     22 #include <errno.h>
     23 
     24 #ifndef _WIN32
     25 # include <fcntl.h>
     26 # include <sys/socket.h>
     27 # include <unistd.h>
     28 #endif
     29 
     30 #include "uv.h"
     31 #include "task.h"
     32 
     33 
     34 static int close_cb_called = 0;
     35 
     36 
     37 static void close_cb(uv_handle_t* handle) {
     38   close_cb_called++;
     39 }
     40 
     41 static void poll_cb(uv_poll_t* handle, int status, int events) {
     42   /* Not a bound socket, linux immediately reports UV_READABLE, other OS do not */
     43   ASSERT_EQ(events, UV_READABLE);
     44 }
     45 
     46 TEST_IMPL(poll_multiple_handles) {
     47   uv_os_sock_t sock;
     48   uv_poll_t first_poll_handle, second_poll_handle;
     49 
     50 #ifdef _WIN32
     51   {
     52     struct WSAData wsa_data;
     53     int r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
     54     ASSERT_OK(r);
     55   }
     56 #endif
     57 
     58   sock = socket(AF_INET, SOCK_STREAM, 0);
     59 #ifdef _WIN32
     60   ASSERT_NE(sock, INVALID_SOCKET);
     61 #else
     62   ASSERT_NE(sock, -1);
     63 #endif
     64   ASSERT_OK(uv_poll_init_socket(uv_default_loop(),
     65                                 &first_poll_handle,
     66                                 sock));
     67   ASSERT_OK(uv_poll_init_socket(uv_default_loop(),
     68                                 &second_poll_handle,
     69                                 sock));
     70 
     71   ASSERT_OK(uv_poll_start(&first_poll_handle, UV_READABLE, poll_cb));
     72 
     73   /* We may not start polling while another polling handle is active
     74    * on that fd.
     75    */
     76 #ifndef _WIN32
     77   /* We do not track handles in an O(1) lookupable way on Windows,
     78    * so not checking that here.
     79    */
     80   ASSERT_EQ(uv_poll_start(&second_poll_handle, UV_READABLE, poll_cb),
     81             UV_EEXIST);
     82 #endif
     83 
     84   /* After stopping the other polling handle, we now should be able to poll */
     85   ASSERT_OK(uv_poll_stop(&first_poll_handle));
     86   ASSERT_OK(uv_poll_start(&second_poll_handle, UV_READABLE, poll_cb));
     87 
     88   /* Closing an already stopped polling handle is safe in any case */
     89   uv_close((uv_handle_t*) &first_poll_handle, close_cb);
     90 
     91   uv_unref((uv_handle_t*) &second_poll_handle);
     92   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
     93   ASSERT_EQ(1, close_cb_called);
     94   uv_ref((uv_handle_t*) &second_poll_handle);
     95 
     96   ASSERT(uv_is_active((uv_handle_t*) &second_poll_handle));
     97   uv_close((uv_handle_t*) &second_poll_handle, close_cb);
     98 
     99   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
    100   ASSERT_EQ(2, close_cb_called);
    101 
    102   MAKE_VALGRIND_HAPPY(uv_default_loop());
    103   return 0;
    104 }
    105