xref: /libuv/test/test-handle-fileno.c (revision 011a1ac1)
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21 
22 #include "uv.h"
23 #include "task.h"
24 
25 
get_tty_fd(void)26 static int get_tty_fd(void) {
27   /* Make sure we have an FD that refers to a tty */
28 #ifdef _WIN32
29   HANDLE handle;
30   handle = CreateFileA("conin$",
31                        GENERIC_READ | GENERIC_WRITE,
32                        FILE_SHARE_READ | FILE_SHARE_WRITE,
33                        NULL,
34                        OPEN_EXISTING,
35                        FILE_ATTRIBUTE_NORMAL,
36                        NULL);
37   if (handle == INVALID_HANDLE_VALUE)
38     return -1;
39   return _open_osfhandle((intptr_t) handle, 0);
40 #else /* unix */
41   return open("/dev/tty", O_RDONLY, 0);
42 #endif
43 }
44 
45 
TEST_IMPL(handle_fileno)46 TEST_IMPL(handle_fileno) {
47   int r;
48   int tty_fd;
49   struct sockaddr_in addr;
50   uv_os_fd_t fd;
51   uv_tcp_t tcp;
52   uv_udp_t udp;
53   uv_pipe_t pipe;
54   uv_tty_t tty;
55   uv_idle_t idle;
56   uv_loop_t* loop;
57 
58   loop = uv_default_loop();
59   ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
60 
61   r = uv_idle_init(loop, &idle);
62   ASSERT_OK(r);
63   r = uv_fileno((uv_handle_t*) &idle, &fd);
64   ASSERT_EQ(r, UV_EINVAL);
65   uv_close((uv_handle_t*) &idle, NULL);
66 
67   r = uv_tcp_init(loop, &tcp);
68   ASSERT_OK(r);
69   r = uv_fileno((uv_handle_t*) &tcp, &fd);
70   ASSERT_EQ(r, UV_EBADF);
71   r = uv_tcp_bind(&tcp, (const struct sockaddr*) &addr, 0);
72   ASSERT_OK(r);
73   r = uv_fileno((uv_handle_t*) &tcp, &fd);
74   ASSERT_OK(r);
75   uv_close((uv_handle_t*) &tcp, NULL);
76   r = uv_fileno((uv_handle_t*) &tcp, &fd);
77   ASSERT_EQ(r, UV_EBADF);
78 
79   r = uv_udp_init(loop, &udp);
80   ASSERT_OK(r);
81   r = uv_fileno((uv_handle_t*) &udp, &fd);
82   ASSERT_EQ(r, UV_EBADF);
83   r = uv_udp_bind(&udp, (const struct sockaddr*) &addr, 0);
84   ASSERT_OK(r);
85   r = uv_fileno((uv_handle_t*) &udp, &fd);
86   ASSERT_OK(r);
87   uv_close((uv_handle_t*) &udp, NULL);
88   r = uv_fileno((uv_handle_t*) &udp, &fd);
89   ASSERT_EQ(r, UV_EBADF);
90 
91   r = uv_pipe_init(loop, &pipe, 0);
92   ASSERT_OK(r);
93   r = uv_fileno((uv_handle_t*) &pipe, &fd);
94   ASSERT_EQ(r, UV_EBADF);
95   r = uv_pipe_bind(&pipe, TEST_PIPENAME);
96   ASSERT_OK(r);
97   r = uv_fileno((uv_handle_t*) &pipe, &fd);
98   ASSERT_OK(r);
99   uv_close((uv_handle_t*) &pipe, NULL);
100   r = uv_fileno((uv_handle_t*) &pipe, &fd);
101   ASSERT_EQ(r, UV_EBADF);
102 
103   tty_fd = get_tty_fd();
104   if (tty_fd < 0) {
105     fprintf(stderr, "Cannot open a TTY fd");
106     fflush(stderr);
107   } else {
108     r = uv_tty_init(loop, &tty, tty_fd, 0);
109     ASSERT_OK(r);
110     ASSERT(uv_is_readable((uv_stream_t*) &tty));
111     ASSERT(!uv_is_writable((uv_stream_t*) &tty));
112     r = uv_fileno((uv_handle_t*) &tty, &fd);
113     ASSERT_OK(r);
114     uv_close((uv_handle_t*) &tty, NULL);
115     r = uv_fileno((uv_handle_t*) &tty, &fd);
116     ASSERT_EQ(r, UV_EBADF);
117     ASSERT(!uv_is_readable((uv_stream_t*) &tty));
118     ASSERT(!uv_is_writable((uv_stream_t*) &tty));
119   }
120 
121   uv_run(loop, UV_RUN_DEFAULT);
122 
123   MAKE_VALGRIND_HAPPY(loop);
124   return 0;
125 }
126