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