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comparison third_party/libuv/test/test-poll-multiple-handles.c @ 160:948de3f54cea

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[ThirdParty] Added libuv
author June Park <parkjune1995@gmail.com>
date Wed, 14 Jan 2026 19:39:52 -0800
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159:05cf9467a1c3 160:948de3f54cea
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 }