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