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