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 #ifdef __APPLE__
30 #include <TargetConditionals.h>
31 #endif
32
33 #include "uv.h"
34 #include "task.h"
35
alloc_buffer(uv_handle_t * handle,size_t suggested_size,uv_buf_t * buf)36 void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t* buf)
37 {
38 static char buffer[1024];
39
40 buf->base = buffer;
41 buf->len = sizeof(buffer);
42 }
43
read_stdin(uv_stream_t * stream,ssize_t nread,const uv_buf_t * buf)44 void read_stdin(uv_stream_t *stream, ssize_t nread, const uv_buf_t* buf)
45 {
46 if (nread < 0) {
47 uv_close((uv_handle_t*)stream, NULL);
48 return;
49 }
50 }
51
52 /*
53 * This test is a reproduction of joyent/libuv#1419 .
54 */
TEST_IMPL(pipe_close_stdout_read_stdin)55 TEST_IMPL(pipe_close_stdout_read_stdin) {
56 int r = -1;
57 int pid;
58 int fd[2];
59 int status;
60 char buf;
61 uv_pipe_t stdin_pipe;
62
63 r = pipe(fd);
64 ASSERT_OK(r);
65
66 #if defined(__APPLE__) && (TARGET_OS_TV || TARGET_OS_WATCH)
67 pid = -1;
68 #else
69 pid = fork();
70 #endif
71
72 if (pid == 0) {
73 /*
74 * Make the read side of the pipe our stdin.
75 * The write side will be closed by the parent process.
76 */
77 close(fd[1]);
78 /* block until write end of pipe is closed */
79 r = read(fd[0], &buf, 1);
80 ASSERT(-1 <= r && r <= 1);
81 close(0);
82 r = dup(fd[0]);
83 ASSERT_NE(r, -1);
84
85 /* Create a stream that reads from the pipe. */
86 r = uv_pipe_init(uv_default_loop(), (uv_pipe_t *)&stdin_pipe, 0);
87 ASSERT_OK(r);
88
89 r = uv_pipe_open((uv_pipe_t *)&stdin_pipe, 0);
90 ASSERT_OK(r);
91
92 r = uv_read_start((uv_stream_t *)&stdin_pipe, alloc_buffer, read_stdin);
93 ASSERT_OK(r);
94
95 /*
96 * Because the other end of the pipe was closed, there should
97 * be no event left to process after one run of the event loop.
98 * Otherwise, it means that events were not processed correctly.
99 */
100 ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_NOWAIT));
101 } else {
102 /*
103 * Close both ends of the pipe so that the child
104 * get a POLLHUP event when it tries to read from
105 * the other end.
106 */
107 close(fd[1]);
108 close(fd[0]);
109
110 waitpid(pid, &status, 0);
111 ASSERT(WIFEXITED(status) && WEXITSTATUS(status) == 0);
112 }
113
114 MAKE_VALGRIND_HAPPY(uv_default_loop());
115 return 0;
116 }
117
118 #else
119
120 typedef int file_has_no_tests; /* ISO C forbids an empty translation unit. */
121
122 #endif /* ifndef _WIN32 */
123
