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 "uv.h" |
23 | #include "task.h" |
24 | |
25 | #ifdef _WIN32 |
26 | |
27 | TEST_IMPL(eintr_handling) { |
28 | RETURN_SKIP("Test not implemented on Windows." ); |
29 | } |
30 | |
31 | #else /* !_WIN32 */ |
32 | |
33 | #include <string.h> |
34 | #include <unistd.h> |
35 | |
36 | static uv_loop_t* loop; |
37 | static uv_fs_t read_req; |
38 | static uv_buf_t iov; |
39 | |
40 | static char buf[32]; |
41 | static char test_buf[] = "test-buffer\n" ; |
42 | int pipe_fds[2]; |
43 | |
44 | struct thread_ctx { |
45 | uv_barrier_t barrier; |
46 | int fd; |
47 | }; |
48 | |
49 | static void thread_main(void* arg) { |
50 | int nwritten; |
51 | ASSERT(0 == kill(getpid(), SIGUSR1)); |
52 | |
53 | do |
54 | nwritten = write(pipe_fds[1], test_buf, sizeof(test_buf)); |
55 | while (nwritten == -1 && errno == EINTR); |
56 | |
57 | ASSERT(nwritten == sizeof(test_buf)); |
58 | } |
59 | |
60 | static void sig_func(uv_signal_t* handle, int signum) { |
61 | uv_signal_stop(handle); |
62 | } |
63 | |
64 | TEST_IMPL(eintr_handling) { |
65 | struct thread_ctx ctx; |
66 | uv_thread_t thread; |
67 | uv_signal_t signal; |
68 | int nread; |
69 | |
70 | iov = uv_buf_init(buf, sizeof(buf)); |
71 | loop = uv_default_loop(); |
72 | |
73 | ASSERT(0 == uv_signal_init(loop, &signal)); |
74 | ASSERT(0 == uv_signal_start(&signal, sig_func, SIGUSR1)); |
75 | |
76 | ASSERT(0 == pipe(pipe_fds)); |
77 | ASSERT(0 == uv_thread_create(&thread, thread_main, &ctx)); |
78 | |
79 | nread = uv_fs_read(loop, &read_req, pipe_fds[0], &iov, 1, -1, NULL); |
80 | |
81 | ASSERT(nread == sizeof(test_buf)); |
82 | ASSERT(0 == strcmp(buf, test_buf)); |
83 | |
84 | ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT)); |
85 | |
86 | ASSERT(0 == close(pipe_fds[0])); |
87 | ASSERT(0 == close(pipe_fds[1])); |
88 | uv_close((uv_handle_t*) &signal, NULL); |
89 | |
90 | MAKE_VALGRIND_HAPPY(); |
91 | return 0; |
92 | } |
93 | |
94 | #endif /* !_WIN32 */ |
95 | |