1/* Copyright Bert Belder, and other libuv 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#include <stdio.h>
24
25#include "uv.h"
26#include "task.h"
27
28#ifdef _MSC_VER /* msvc */
29# define NO_INLINE __declspec(noinline)
30#else /* gcc */
31# define NO_INLINE __attribute__ ((noinline))
32#endif
33
34
35uv_os_sock_t sock;
36uv_poll_t handle;
37
38#ifdef _WIN32
39static int close_cb_called = 0;
40
41
42static void close_cb(uv_handle_t* h) {
43 close_cb_called++;
44}
45
46
47static void poll_cb(uv_poll_t* h, int status, int events) {
48 ASSERT(0 && "should never get here");
49}
50
51
52static void NO_INLINE close_socket_and_verify_stack(void) {
53 const uint32_t MARKER = 0xDEADBEEF;
54 const int VERIFY_AFTER = 10; /* ms */
55 int r;
56
57 volatile uint32_t data[65536];
58 size_t i;
59
60 for (i = 0; i < ARRAY_SIZE(data); i++)
61 data[i] = MARKER;
62
63 r = closesocket(sock);
64 ASSERT(r == 0);
65
66 uv_sleep(VERIFY_AFTER);
67
68 for (i = 0; i < ARRAY_SIZE(data); i++)
69 ASSERT(data[i] == MARKER);
70}
71#endif
72
73
74TEST_IMPL(poll_close_doesnt_corrupt_stack) {
75#ifndef _WIN32
76 RETURN_SKIP("Test only relevant on Windows");
77#else
78 struct WSAData wsa_data;
79 int r;
80 unsigned long on;
81 struct sockaddr_in addr;
82
83 r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
84 ASSERT(r == 0);
85
86 sock = socket(AF_INET, SOCK_STREAM, 0);
87 ASSERT(sock != INVALID_SOCKET);
88 on = 1;
89 r = ioctlsocket(sock, FIONBIO, &on);
90 ASSERT(r == 0);
91
92 r = uv_ip4_addr("127.0.0.1", TEST_PORT, &addr);
93 ASSERT(r == 0);
94
95 r = connect(sock, (const struct sockaddr*) &addr, sizeof addr);
96 ASSERT(r != 0);
97 ASSERT(WSAGetLastError() == WSAEWOULDBLOCK);
98
99 r = uv_poll_init_socket(uv_default_loop(), &handle, sock);
100 ASSERT(r == 0);
101 r = uv_poll_start(&handle, UV_READABLE | UV_WRITABLE, poll_cb);
102 ASSERT(r == 0);
103
104 uv_close((uv_handle_t*) &handle, close_cb);
105
106 close_socket_and_verify_stack();
107
108 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
109 ASSERT(r == 0);
110
111 ASSERT(close_cb_called == 1);
112
113 MAKE_VALGRIND_HAPPY();
114 return 0;
115#endif
116}
117