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 #include <assert.h>
23 #include <io.h>
24 #include <stdlib.h>
25
26 #include "uv.h"
27 #include "internal.h"
28 #include "handle-inl.h"
29
30
uv_guess_handle(uv_file file)31 uv_handle_type uv_guess_handle(uv_file file) {
32 HANDLE handle;
33 DWORD mode;
34
35 if (file < 0) {
36 return UV_UNKNOWN_HANDLE;
37 }
38
39 handle = uv__get_osfhandle(file);
40
41 switch (GetFileType(handle)) {
42 case FILE_TYPE_CHAR:
43 if (GetConsoleMode(handle, &mode)) {
44 return UV_TTY;
45 } else {
46 return UV_FILE;
47 }
48
49 case FILE_TYPE_PIPE:
50 return UV_NAMED_PIPE;
51
52 case FILE_TYPE_DISK:
53 return UV_FILE;
54
55 default:
56 return UV_UNKNOWN_HANDLE;
57 }
58 }
59
60
uv_is_active(const uv_handle_t * handle)61 int uv_is_active(const uv_handle_t* handle) {
62 return (handle->flags & UV_HANDLE_ACTIVE) &&
63 !(handle->flags & UV_HANDLE_CLOSING);
64 }
65
66
uv_close(uv_handle_t * handle,uv_close_cb cb)67 void uv_close(uv_handle_t* handle, uv_close_cb cb) {
68 uv_loop_t* loop = handle->loop;
69
70 if (handle->flags & UV_HANDLE_CLOSING) {
71 assert(0);
72 return;
73 }
74
75 handle->close_cb = cb;
76
77 /* Handle-specific close actions */
78 switch (handle->type) {
79 case UV_TCP:
80 uv__tcp_close(loop, (uv_tcp_t*)handle);
81 return;
82
83 case UV_NAMED_PIPE:
84 uv__pipe_close(loop, (uv_pipe_t*) handle);
85 return;
86
87 case UV_TTY:
88 uv__tty_close((uv_tty_t*) handle);
89 return;
90
91 case UV_UDP:
92 uv__udp_close(loop, (uv_udp_t*) handle);
93 return;
94
95 case UV_POLL:
96 uv__poll_close(loop, (uv_poll_t*) handle);
97 return;
98
99 case UV_TIMER:
100 uv_timer_stop((uv_timer_t*)handle);
101 uv__handle_closing(handle);
102 uv__want_endgame(loop, handle);
103 return;
104
105 case UV_PREPARE:
106 uv_prepare_stop((uv_prepare_t*)handle);
107 uv__handle_closing(handle);
108 uv__want_endgame(loop, handle);
109 return;
110
111 case UV_CHECK:
112 uv_check_stop((uv_check_t*)handle);
113 uv__handle_closing(handle);
114 uv__want_endgame(loop, handle);
115 return;
116
117 case UV_IDLE:
118 uv_idle_stop((uv_idle_t*)handle);
119 uv__handle_closing(handle);
120 uv__want_endgame(loop, handle);
121 return;
122
123 case UV_ASYNC:
124 uv__async_close(loop, (uv_async_t*) handle);
125 return;
126
127 case UV_SIGNAL:
128 uv__signal_close(loop, (uv_signal_t*) handle);
129 return;
130
131 case UV_PROCESS:
132 uv__process_close(loop, (uv_process_t*) handle);
133 return;
134
135 case UV_FS_EVENT:
136 uv__fs_event_close(loop, (uv_fs_event_t*) handle);
137 return;
138
139 case UV_FS_POLL:
140 uv__fs_poll_close((uv_fs_poll_t*) handle);
141 uv__handle_closing(handle);
142 return;
143
144 default:
145 /* Not supported */
146 abort();
147 }
148 }
149
150
uv_is_closing(const uv_handle_t * handle)151 int uv_is_closing(const uv_handle_t* handle) {
152 return !!(handle->flags & (UV_HANDLE_CLOSING | UV_HANDLE_CLOSED));
153 }
154
155
uv_get_osfhandle(int fd)156 uv_os_fd_t uv_get_osfhandle(int fd) {
157 return uv__get_osfhandle(fd);
158 }
159
uv_open_osfhandle(uv_os_fd_t os_fd)160 int uv_open_osfhandle(uv_os_fd_t os_fd) {
161 return _open_osfhandle((intptr_t) os_fd, 0);
162 }
163
