1 | /* Copyright Joyent, Inc. and other Node 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 | #ifndef _WIN32 |
23 | |
24 | #include <stdlib.h> |
25 | #include <unistd.h> |
26 | #include <sys/wait.h> |
27 | #include <sys/types.h> |
28 | |
29 | #include "uv.h" |
30 | #include "task.h" |
31 | |
32 | void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t* buf) |
33 | { |
34 | static char buffer[1024]; |
35 | |
36 | buf->base = buffer; |
37 | buf->len = sizeof(buffer); |
38 | } |
39 | |
40 | void read_stdin(uv_stream_t *stream, ssize_t nread, const uv_buf_t* buf) |
41 | { |
42 | if (nread < 0) { |
43 | uv_close((uv_handle_t*)stream, NULL); |
44 | return; |
45 | } |
46 | } |
47 | |
48 | /* |
49 | * This test is a reproduction of joyent/libuv#1419 . |
50 | */ |
51 | TEST_IMPL(pipe_close_stdout_read_stdin) { |
52 | int r = -1; |
53 | int pid; |
54 | int fd[2]; |
55 | int status; |
56 | char buf; |
57 | uv_pipe_t stdin_pipe; |
58 | |
59 | r = pipe(fd); |
60 | ASSERT(r == 0); |
61 | |
62 | if ((pid = fork()) == 0) { |
63 | /* |
64 | * Make the read side of the pipe our stdin. |
65 | * The write side will be closed by the parent process. |
66 | */ |
67 | close(fd[1]); |
68 | /* block until write end of pipe is closed */ |
69 | r = read(fd[0], &buf, 1); |
70 | ASSERT(-1 <= r && r <= 1); |
71 | close(0); |
72 | r = dup(fd[0]); |
73 | ASSERT(r != -1); |
74 | |
75 | /* Create a stream that reads from the pipe. */ |
76 | r = uv_pipe_init(uv_default_loop(), (uv_pipe_t *)&stdin_pipe, 0); |
77 | ASSERT(r == 0); |
78 | |
79 | r = uv_pipe_open((uv_pipe_t *)&stdin_pipe, 0); |
80 | ASSERT(r == 0); |
81 | |
82 | r = uv_read_start((uv_stream_t *)&stdin_pipe, alloc_buffer, read_stdin); |
83 | ASSERT(r == 0); |
84 | |
85 | /* |
86 | * Because the other end of the pipe was closed, there should |
87 | * be no event left to process after one run of the event loop. |
88 | * Otherwise, it means that events were not processed correctly. |
89 | */ |
90 | ASSERT(uv_run(uv_default_loop(), UV_RUN_NOWAIT) == 0); |
91 | } else { |
92 | /* |
93 | * Close both ends of the pipe so that the child |
94 | * get a POLLHUP event when it tries to read from |
95 | * the other end. |
96 | */ |
97 | close(fd[1]); |
98 | close(fd[0]); |
99 | |
100 | waitpid(pid, &status, 0); |
101 | ASSERT(WIFEXITED(status) && WEXITSTATUS(status) == 0); |
102 | } |
103 | |
104 | MAKE_VALGRIND_HAPPY(); |
105 | return 0; |
106 | } |
107 | |
108 | #else |
109 | |
110 | typedef int file_has_no_tests; /* ISO C forbids an empty translation unit. */ |
111 | |
112 | #endif /* ifndef _WIN32 */ |
113 | |