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
TEST_IMPL(eintr_handling)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
thread_main(void * arg)49 static void thread_main(void* arg) {
50 int nwritten;
51 ASSERT_OK(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_EQ(nwritten, sizeof(test_buf));
58 }
59
sig_func(uv_signal_t * handle,int signum)60 static void sig_func(uv_signal_t* handle, int signum) {
61 uv_signal_stop(handle);
62 }
63
TEST_IMPL(eintr_handling)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_OK(uv_signal_init(loop, &signal));
74 ASSERT_OK(uv_signal_start(&signal, sig_func, SIGUSR1));
75
76 ASSERT_OK(pipe(pipe_fds));
77 ASSERT_OK(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_EQ(nread, sizeof(test_buf));
82 ASSERT_OK(strcmp(buf, test_buf));
83
84 ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
85
86 ASSERT_OK(close(pipe_fds[0]));
87 ASSERT_OK(close(pipe_fds[1]));
88 uv_close((uv_handle_t*) &signal, NULL);
89
90 ASSERT_OK(uv_thread_join(&thread));
91
92 MAKE_VALGRIND_HAPPY(loop);
93 return 0;
94 }
95
96 #endif /* !_WIN32 */
97
