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160
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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 #ifndef _WIN32_WINNT
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23 # define _WIN32_WINNT 0x0A00
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24 #endif
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25
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26 #if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
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27 typedef intptr_t ssize_t;
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28 # define SSIZE_MAX INTPTR_MAX
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29 # define _SSIZE_T_
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30 # define _SSIZE_T_DEFINED
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31 #endif
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32
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33 #include <winsock2.h>
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34
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35 #ifndef LOCALE_INVARIANT
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36 # define LOCALE_INVARIANT 0x007f
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37 #endif
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38
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39 #include <mswsock.h>
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40 /* Disable the typedef in mstcpip.h of MinGW. */
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41 #define _TCP_INITIAL_RTO_PARAMETERS _TCP_INITIAL_RTO_PARAMETERS__AVOID
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42 #define TCP_INITIAL_RTO_PARAMETERS TCP_INITIAL_RTO_PARAMETERS__AVOID
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43 #define PTCP_INITIAL_RTO_PARAMETERS PTCP_INITIAL_RTO_PARAMETERS__AVOID
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44 #include <ws2tcpip.h>
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45 #undef _TCP_INITIAL_RTO_PARAMETERS
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46 #undef TCP_INITIAL_RTO_PARAMETERS
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47 #undef PTCP_INITIAL_RTO_PARAMETERS
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48 #include <windows.h>
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49
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50 #include <process.h>
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51 #include <signal.h>
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52 #include <fcntl.h>
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53 #include <sys/stat.h>
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54 #include <stdint.h>
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55
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56 #include "uv/tree.h"
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57 #include "uv/threadpool.h"
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58
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59 #define MAX_PIPENAME_LEN 256
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60
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61 #ifndef S_IFLNK
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62 # define S_IFLNK 0xA000
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63 #endif
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64
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65 /* Define missing in Windows Kit Include\{VERSION}\ucrt\sys\stat.h */
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66 #if defined(_CRT_INTERNAL_NONSTDC_NAMES) && _CRT_INTERNAL_NONSTDC_NAMES && !defined(S_IFIFO)
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67 # define S_IFIFO _S_IFIFO
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68 #endif
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69
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70 /* Additional signals supported by uv_signal and or uv_kill. The CRT defines
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71 * the following signals already:
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72 *
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73 * #define SIGINT 2
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74 * #define SIGILL 4
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75 * #define SIGABRT_COMPAT 6
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76 * #define SIGFPE 8
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77 * #define SIGSEGV 11
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78 * #define SIGTERM 15
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79 * #define SIGBREAK 21
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80 * #define SIGABRT 22
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81 *
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82 * The additional signals have values that are common on other Unix
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83 * variants (Linux and Darwin)
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84 */
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85 #define SIGHUP 1
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86 #define SIGQUIT 3
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87 #define SIGKILL 9
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88 #define SIGWINCH 28
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89
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90 /* Redefine NSIG to take SIGWINCH into consideration */
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91 #if defined(NSIG) && NSIG <= SIGWINCH
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92 # undef NSIG
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93 #endif
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94 #ifndef NSIG
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95 # define NSIG SIGWINCH + 1
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96 #endif
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97
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98 /* The CRT defines SIGABRT_COMPAT as 6, which equals SIGABRT on many unix-like
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99 * platforms. However MinGW doesn't define it, so we do. */
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100 #ifndef SIGABRT_COMPAT
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101 # define SIGABRT_COMPAT 6
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102 #endif
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103
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104 /*
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105 * Guids and typedefs for winsock extension functions
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106 * Mingw32 doesn't have these :-(
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107 */
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108 #ifndef WSAID_ACCEPTEX
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109 # define WSAID_ACCEPTEX \
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110 {0xb5367df1, 0xcbac, 0x11cf, \
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111 {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}
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112
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113 # define WSAID_CONNECTEX \
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114 {0x25a207b9, 0xddf3, 0x4660, \
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115 {0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}}
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116
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117 # define WSAID_GETACCEPTEXSOCKADDRS \
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118 {0xb5367df2, 0xcbac, 0x11cf, \
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119 {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}
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120
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121 # define WSAID_DISCONNECTEX \
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122 {0x7fda2e11, 0x8630, 0x436f, \
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123 {0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
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124
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125 # define WSAID_TRANSMITFILE \
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126 {0xb5367df0, 0xcbac, 0x11cf, \
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127 {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}
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128
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129 typedef BOOL (PASCAL *LPFN_ACCEPTEX)
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130 (SOCKET sListenSocket,
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131 SOCKET sAcceptSocket,
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132 PVOID lpOutputBuffer,
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133 DWORD dwReceiveDataLength,
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134 DWORD dwLocalAddressLength,
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135 DWORD dwRemoteAddressLength,
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136 LPDWORD lpdwBytesReceived,
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137 LPOVERLAPPED lpOverlapped);
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138
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139 typedef BOOL (PASCAL *LPFN_CONNECTEX)
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140 (SOCKET s,
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141 const struct sockaddr* name,
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142 int namelen,
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143 PVOID lpSendBuffer,
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144 DWORD dwSendDataLength,
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145 LPDWORD lpdwBytesSent,
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146 LPOVERLAPPED lpOverlapped);
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147
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148 typedef void (PASCAL *LPFN_GETACCEPTEXSOCKADDRS)
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149 (PVOID lpOutputBuffer,
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150 DWORD dwReceiveDataLength,
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151 DWORD dwLocalAddressLength,
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152 DWORD dwRemoteAddressLength,
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153 LPSOCKADDR* LocalSockaddr,
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154 LPINT LocalSockaddrLength,
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155 LPSOCKADDR* RemoteSockaddr,
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156 LPINT RemoteSockaddrLength);
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157
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158 typedef BOOL (PASCAL *LPFN_DISCONNECTEX)
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159 (SOCKET hSocket,
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160 LPOVERLAPPED lpOverlapped,
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161 DWORD dwFlags,
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162 DWORD reserved);
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163
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164 typedef BOOL (PASCAL *LPFN_TRANSMITFILE)
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165 (SOCKET hSocket,
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166 HANDLE hFile,
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167 DWORD nNumberOfBytesToWrite,
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168 DWORD nNumberOfBytesPerSend,
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169 LPOVERLAPPED lpOverlapped,
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170 LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers,
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171 DWORD dwFlags);
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172
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173 typedef PVOID RTL_SRWLOCK;
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174 typedef RTL_SRWLOCK SRWLOCK, *PSRWLOCK;
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175 #endif
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176
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177 typedef int (WSAAPI* LPFN_WSARECV)
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178 (SOCKET socket,
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179 LPWSABUF buffers,
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180 DWORD buffer_count,
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181 LPDWORD bytes,
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182 LPDWORD flags,
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183 LPWSAOVERLAPPED overlapped,
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184 LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
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185
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186 typedef int (WSAAPI* LPFN_WSARECVFROM)
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187 (SOCKET socket,
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188 LPWSABUF buffers,
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189 DWORD buffer_count,
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190 LPDWORD bytes,
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191 LPDWORD flags,
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192 struct sockaddr* addr,
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193 LPINT addr_len,
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194 LPWSAOVERLAPPED overlapped,
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195 LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
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196
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197 #ifndef _NTDEF_
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198 typedef LONG NTSTATUS;
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199 typedef NTSTATUS *PNTSTATUS;
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200 #endif
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201
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202 #ifndef RTL_CONDITION_VARIABLE_INIT
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203 typedef PVOID CONDITION_VARIABLE, *PCONDITION_VARIABLE;
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204 #endif
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205
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206 typedef struct _AFD_POLL_HANDLE_INFO {
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207 HANDLE Handle;
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208 ULONG Events;
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209 NTSTATUS Status;
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210 } AFD_POLL_HANDLE_INFO, *PAFD_POLL_HANDLE_INFO;
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211
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212 typedef struct _AFD_POLL_INFO {
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213 LARGE_INTEGER Timeout;
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214 ULONG NumberOfHandles;
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215 ULONG Exclusive;
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216 AFD_POLL_HANDLE_INFO Handles[1];
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217 } AFD_POLL_INFO, *PAFD_POLL_INFO;
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218
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219 #define UV_MSAFD_PROVIDER_COUNT 4
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220
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221
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222 /**
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223 * It should be possible to cast uv_buf_t[] to WSABUF[]
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224 * see http://msdn.microsoft.com/en-us/library/ms741542(v=vs.85).aspx
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225 */
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226 typedef struct uv_buf_t {
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227 ULONG len;
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228 char* base;
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229 } uv_buf_t;
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230
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231 typedef int uv_file;
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232 typedef SOCKET uv_os_sock_t;
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233 typedef HANDLE uv_os_fd_t;
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234 typedef int uv_pid_t;
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235
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236 typedef HANDLE uv_thread_t;
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237
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238 typedef HANDLE uv_sem_t;
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239
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240 typedef CRITICAL_SECTION uv_mutex_t;
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241
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242 /* This condition variable implementation is based on the SetEvent solution
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243 * (section 3.2) at http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
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244 * We could not use the SignalObjectAndWait solution (section 3.4) because
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245 * it want the 2nd argument (type uv_mutex_t) of uv_cond_wait() and
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246 * uv_cond_timedwait() to be HANDLEs, but we use CRITICAL_SECTIONs.
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247 */
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248
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249 typedef union {
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250 CONDITION_VARIABLE cond_var;
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251 struct {
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252 unsigned int waiters_count;
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253 CRITICAL_SECTION waiters_count_lock;
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254 HANDLE signal_event;
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255 HANDLE broadcast_event;
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256 } unused_; /* TODO: retained for ABI compatibility; remove me in v2.x. */
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257 } uv_cond_t;
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258
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259 typedef struct {
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260 SRWLOCK read_write_lock_;
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261 /* TODO: retained for ABI compatibility; remove me in v2.x */
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262 #ifdef _WIN64
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263 unsigned char padding_[72];
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264 #else
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265 unsigned char padding_[44];
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266 #endif
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267 } uv_rwlock_t;
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268
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269 typedef struct {
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270 unsigned threshold;
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271 unsigned in;
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272 uv_mutex_t mutex;
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273 /* TODO: in v2 make this a uv_cond_t, without unused_ */
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274 CONDITION_VARIABLE cond;
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275 unsigned out;
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276 } uv_barrier_t;
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277
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278 typedef struct {
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279 DWORD tls_index;
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280 } uv_key_t;
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281
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282 #define UV_ONCE_INIT { 0, NULL }
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283
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284 typedef struct uv_once_s {
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285 unsigned char unused;
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286 INIT_ONCE init_once;
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287 } uv_once_t;
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288
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289 /* Platform-specific definitions for uv_spawn support. */
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290 typedef unsigned char uv_uid_t;
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291 typedef unsigned char uv_gid_t;
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292
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293 typedef struct uv__dirent_s {
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294 int d_type;
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295 char d_name[1];
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296 } uv__dirent_t;
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297
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298 #define UV_DIR_PRIVATE_FIELDS \
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299 HANDLE dir_handle; \
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300 WIN32_FIND_DATAW find_data; \
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301 BOOL need_find_call;
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302
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303 #define HAVE_DIRENT_TYPES
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304 #define UV__DT_DIR UV_DIRENT_DIR
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305 #define UV__DT_FILE UV_DIRENT_FILE
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306 #define UV__DT_LINK UV_DIRENT_LINK
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307 #define UV__DT_FIFO UV_DIRENT_FIFO
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308 #define UV__DT_SOCKET UV_DIRENT_SOCKET
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309 #define UV__DT_CHAR UV_DIRENT_CHAR
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310 #define UV__DT_BLOCK UV_DIRENT_BLOCK
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311
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312 /* Platform-specific definitions for uv_dlopen support. */
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313 #define UV_DYNAMIC FAR WINAPI
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314 typedef struct {
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315 HMODULE handle;
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316 char* errmsg;
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317 } uv_lib_t;
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318
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319 #define UV_LOOP_PRIVATE_FIELDS \
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320 /* The loop's I/O completion port */ \
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321 HANDLE iocp; \
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322 /* The current time according to the event loop. in msecs. */ \
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323 uint64_t time; \
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324 /* Tail of a single-linked circular queue of pending reqs. If the queue */ \
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325 /* is empty, tail_ is NULL. If there is only one item, */ \
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326 /* tail_->next_req == tail_ */ \
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327 uv_req_t* pending_reqs_tail; \
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328 /* Head of a single-linked list of closed handles */ \
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329 uv_handle_t* endgame_handles; \
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330 /* TODO(bnoordhuis) Stop heap-allocating |timer_heap| in libuv v2.x. */ \
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331 void* timer_heap; \
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332 /* Lists of active loop (prepare / check / idle) watchers */ \
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333 uv_prepare_t* prepare_handles; \
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334 uv_check_t* check_handles; \
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335 uv_idle_t* idle_handles; \
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336 /* This pointer will refer to the prepare/check/idle handle whose */ \
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337 /* callback is scheduled to be called next. This is needed to allow */ \
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338 /* safe removal from one of the lists above while that list being */ \
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339 /* iterated over. */ \
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340 uv_prepare_t* next_prepare_handle; \
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341 uv_check_t* next_check_handle; \
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342 uv_idle_t* next_idle_handle; \
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343 /* This handle holds the peer sockets for the fast variant of uv_poll_t */ \
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344 SOCKET poll_peer_sockets[UV_MSAFD_PROVIDER_COUNT]; \
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345 /* No longer used. */ \
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346 unsigned int active_tcp_streams; \
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347 /* No longer used. */ \
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348 unsigned int active_udp_streams; \
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349 /* Counter to started timer */ \
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350 uint64_t timer_counter; \
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351 /* Threadpool */ \
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352 struct uv__queue wq; \
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353 uv_mutex_t wq_mutex; \
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354 uv_async_t wq_async;
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355
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356 #define UV_REQ_TYPE_PRIVATE \
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357 /* TODO: remove the req suffix */ \
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358 UV_ACCEPT, \
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359 UV_FS_EVENT_REQ, \
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360 UV_POLL_REQ, \
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361 UV_PROCESS_EXIT, \
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362 UV_READ, \
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363 UV_UDP_RECV, \
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364 UV_WAKEUP, \
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365 UV_SIGNAL_REQ,
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366
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367 #define UV_REQ_PRIVATE_FIELDS \
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368 union { \
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369 /* Used by I/O operations */ \
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370 struct { \
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371 OVERLAPPED overlapped; \
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372 size_t queued_bytes; \
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373 } io; \
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374 /* in v2, we can move these to the UV_CONNECT_PRIVATE_FIELDS */ \
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375 struct { \
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376 ULONG_PTR result; /* overlapped.Internal is reused to hold the result */\
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377 HANDLE pipeHandle; \
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378 DWORD duplex_flags; \
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379 WCHAR* name; \
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380 } connect; \
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381 } u; \
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382 struct uv_req_s* next_req;
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383
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384 #define UV_WRITE_PRIVATE_FIELDS \
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385 int coalesced; \
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386 uv_buf_t write_buffer; \
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387 HANDLE event_handle; \
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388 HANDLE wait_handle;
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389
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390 #define UV_CONNECT_PRIVATE_FIELDS \
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391 /* empty */
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392
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393 #define UV_SHUTDOWN_PRIVATE_FIELDS \
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394 /* empty */
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395
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396 #define UV_UDP_SEND_PRIVATE_FIELDS \
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397 /* empty */
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398
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399 #define UV_PRIVATE_REQ_TYPES \
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400 typedef struct uv_pipe_accept_s { \
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401 UV_REQ_FIELDS \
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402 HANDLE pipeHandle; \
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403 struct uv_pipe_accept_s* next_pending; \
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404 } uv_pipe_accept_t; \
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405 \
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406 typedef struct uv_tcp_accept_s { \
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407 UV_REQ_FIELDS \
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408 SOCKET accept_socket; \
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409 char accept_buffer[sizeof(struct sockaddr_storage) * 2 + 32]; \
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410 HANDLE event_handle; \
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411 HANDLE wait_handle; \
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412 struct uv_tcp_accept_s* next_pending; \
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413 } uv_tcp_accept_t; \
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414 \
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415 typedef struct uv_read_s { \
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416 UV_REQ_FIELDS \
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417 HANDLE event_handle; \
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418 HANDLE wait_handle; \
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419 } uv_read_t;
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420
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421 #define uv_stream_connection_fields \
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422 unsigned int write_reqs_pending; \
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423 uv_shutdown_t* shutdown_req;
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424
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425 #define uv_stream_server_fields \
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426 uv_connection_cb connection_cb;
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427
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428 #define UV_STREAM_PRIVATE_FIELDS \
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429 unsigned int reqs_pending; \
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430 int activecnt; \
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431 uv_read_t read_req; \
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432 union { \
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433 struct { uv_stream_connection_fields } conn; \
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434 struct { uv_stream_server_fields } serv; \
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435 } stream;
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436
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437 #define uv_tcp_server_fields \
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438 uv_tcp_accept_t* accept_reqs; \
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439 unsigned int processed_accepts; \
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440 uv_tcp_accept_t* pending_accepts; \
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441 LPFN_ACCEPTEX func_acceptex;
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442
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443 #define uv_tcp_connection_fields \
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444 uv_buf_t read_buffer; \
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445 LPFN_CONNECTEX func_connectex;
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446
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447 #define UV_TCP_PRIVATE_FIELDS \
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448 SOCKET socket; \
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449 int delayed_error; \
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450 union { \
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451 struct { uv_tcp_server_fields } serv; \
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452 struct { uv_tcp_connection_fields } conn; \
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453 } tcp;
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454
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455 #define UV_UDP_PRIVATE_FIELDS \
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456 SOCKET socket; \
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457 unsigned int reqs_pending; \
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458 int activecnt; \
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459 uv_req_t recv_req; \
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460 uv_buf_t recv_buffer; \
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461 struct sockaddr_storage recv_from; \
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462 int recv_from_len; \
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463 uv_udp_recv_cb recv_cb; \
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464 uv_alloc_cb alloc_cb; \
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465 LPFN_WSARECV func_wsarecv; \
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466 LPFN_WSARECVFROM func_wsarecvfrom;
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467
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468 #define uv_pipe_server_fields \
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469 int pending_instances; \
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470 uv_pipe_accept_t* accept_reqs; \
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471 uv_pipe_accept_t* pending_accepts;
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472
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473 #define uv_pipe_connection_fields \
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474 uv_timer_t* eof_timer; \
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475 uv_write_t dummy; /* TODO: retained for ABI compat; remove this in v2.x. */ \
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476 DWORD ipc_remote_pid; \
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477 union { \
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478 uint32_t payload_remaining; \
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479 uint64_t dummy; /* TODO: retained for ABI compat; remove this in v2.x. */ \
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480 } ipc_data_frame; \
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481 struct uv__queue ipc_xfer_queue; \
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482 int ipc_xfer_queue_length; \
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483 uv_write_t* non_overlapped_writes_tail; \
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484 CRITICAL_SECTION readfile_thread_lock; \
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485 volatile HANDLE readfile_thread_handle;
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486
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487 #define UV_PIPE_PRIVATE_FIELDS \
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488 HANDLE handle; \
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489 WCHAR* name; \
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490 union { \
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491 struct { uv_pipe_server_fields } serv; \
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492 struct { uv_pipe_connection_fields } conn; \
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493 } pipe;
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494
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495 /* TODO: put the parser states in a union - TTY handles are always half-duplex
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496 * so read-state can safely overlap write-state. */
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497 #define UV_TTY_PRIVATE_FIELDS \
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498 HANDLE handle; \
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499 union { \
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500 struct { \
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501 /* Used for readable TTY handles */ \
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502 union { \
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503 /* TODO: remove me in v2.x. */ \
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504 HANDLE unused_; \
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505 int mode; \
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506 } mode; \
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507 uv_buf_t read_line_buffer; \
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508 HANDLE read_raw_wait; \
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509 /* Fields used for translating win keystrokes into vt100 characters */ \
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510 char last_key[8]; \
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511 unsigned char last_key_offset; \
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512 unsigned char last_key_len; \
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513 WCHAR last_utf16_high_surrogate; \
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514 INPUT_RECORD last_input_record; \
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515 } rd; \
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516 struct { \
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517 /* Used for writable TTY handles */ \
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518 /* utf8-to-utf16 conversion state */ \
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519 unsigned int utf8_codepoint; \
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520 unsigned char utf8_bytes_left; \
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521 /* eol conversion state */ \
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522 unsigned char previous_eol; \
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523 /* ansi parser state */ \
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524 unsigned short ansi_parser_state; \
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525 unsigned char ansi_csi_argc; \
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526 unsigned short ansi_csi_argv[4]; \
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527 COORD saved_position; \
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528 WORD saved_attributes; \
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529 } wr; \
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530 } tty;
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531
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532 #define UV_POLL_PRIVATE_FIELDS \
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533 SOCKET socket; \
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534 /* Used in fast mode */ \
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535 SOCKET peer_socket; \
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536 AFD_POLL_INFO afd_poll_info_1; \
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537 AFD_POLL_INFO afd_poll_info_2; \
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538 /* Used in fast and slow mode. */ \
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539 uv_req_t poll_req_1; \
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540 uv_req_t poll_req_2; \
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541 unsigned char submitted_events_1; \
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542 unsigned char submitted_events_2; \
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543 unsigned char mask_events_1; \
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544 unsigned char mask_events_2; \
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545 unsigned char events;
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546
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547 #define UV_TIMER_PRIVATE_FIELDS \
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548 union { \
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549 void* heap[3]; \
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550 struct uv__queue queue; \
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551 } node; \
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552 int unused; \
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553 uint64_t timeout; \
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554 uint64_t repeat; \
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555 uint64_t start_id; \
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556 uv_timer_cb timer_cb;
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557
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558 #define UV_ASYNC_PRIVATE_FIELDS \
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559 struct uv_req_s async_req; \
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560 uv_async_cb async_cb; \
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561 /* char to avoid alignment issues */ \
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562 char volatile async_sent;
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563
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564 #define UV_PREPARE_PRIVATE_FIELDS \
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565 uv_prepare_t* prepare_prev; \
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566 uv_prepare_t* prepare_next; \
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567 uv_prepare_cb prepare_cb;
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568
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569 #define UV_CHECK_PRIVATE_FIELDS \
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570 uv_check_t* check_prev; \
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571 uv_check_t* check_next; \
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572 uv_check_cb check_cb;
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573
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574 #define UV_IDLE_PRIVATE_FIELDS \
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575 uv_idle_t* idle_prev; \
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576 uv_idle_t* idle_next; \
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577 uv_idle_cb idle_cb;
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578
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579 #define UV_HANDLE_PRIVATE_FIELDS \
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580 uv_handle_t* endgame_next; \
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581 unsigned int flags;
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582
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583 #define UV_GETADDRINFO_PRIVATE_FIELDS \
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584 struct uv__work work_req; \
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585 uv_getaddrinfo_cb getaddrinfo_cb; \
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586 void* alloc; \
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587 WCHAR* node; \
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588 WCHAR* service; \
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589 /* The addrinfoW field is used to store a pointer to the hints, and */ \
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590 /* later on to store the result of GetAddrInfoW. The final result will */ \
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591 /* be converted to struct addrinfo* and stored in the addrinfo field. */ \
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592 struct addrinfoW* addrinfow; \
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593 struct addrinfo* addrinfo; \
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594 int retcode;
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595
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596 #define UV_GETNAMEINFO_PRIVATE_FIELDS \
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597 struct uv__work work_req; \
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598 uv_getnameinfo_cb getnameinfo_cb; \
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599 struct sockaddr_storage storage; \
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600 int flags; \
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601 char host[NI_MAXHOST]; \
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602 char service[NI_MAXSERV]; \
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603 int retcode;
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604
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605 #define UV_PROCESS_PRIVATE_FIELDS \
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606 struct uv_process_exit_s { \
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607 UV_REQ_FIELDS \
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608 } exit_req; \
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609 void* unused; /* TODO: retained for ABI compat; remove this in v2.x. */ \
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610 int exit_signal; \
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611 HANDLE wait_handle; \
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612 HANDLE process_handle; \
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613 volatile char exit_cb_pending;
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614
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615 #define UV_FS_PRIVATE_FIELDS \
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616 struct uv__work work_req; \
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617 int flags; \
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618 DWORD sys_errno_; \
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619 union { \
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620 /* TODO: remove me in 0.9. */ \
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621 WCHAR* pathw; \
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622 int fd; \
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623 } file; \
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624 union { \
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625 struct { \
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626 int mode; \
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627 WCHAR* new_pathw; \
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628 int file_flags; \
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629 int fd_out; \
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630 unsigned int nbufs; \
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631 uv_buf_t* bufs; \
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632 int64_t offset; \
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633 uv_buf_t bufsml[4]; \
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634 } info; \
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635 struct { \
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636 double atime; \
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637 double mtime; \
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638 } time; \
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639 } fs;
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640
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641 #define UV_WORK_PRIVATE_FIELDS \
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642 struct uv__work work_req;
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643
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644 #define UV_FS_EVENT_PRIVATE_FIELDS \
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645 struct uv_fs_event_req_s { \
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646 UV_REQ_FIELDS \
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647 } req; \
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648 HANDLE dir_handle; \
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649 int req_pending; \
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650 uv_fs_event_cb cb; \
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651 WCHAR* filew; \
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652 WCHAR* short_filew; \
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653 WCHAR* dirw; \
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654 char* buffer;
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655
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656 #define UV_SIGNAL_PRIVATE_FIELDS \
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657 RB_ENTRY(uv_signal_s) tree_entry; \
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658 struct uv_req_s signal_req; \
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659 unsigned long pending_signum;
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660
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661 #ifndef F_OK
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662 #define F_OK 0
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663 #endif
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664 #ifndef R_OK
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665 #define R_OK 4
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666 #endif
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667 #ifndef W_OK
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668 #define W_OK 2
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669 #endif
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670 #ifndef X_OK
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671 #define X_OK 1
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672 #endif
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673
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674 /* fs open() flags supported on this platform: */
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675 #define UV_FS_O_APPEND _O_APPEND
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676 #define UV_FS_O_CREAT _O_CREAT
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677 #define UV_FS_O_EXCL _O_EXCL
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678 #define UV_FS_O_FILEMAP 0x20000000
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679 #define UV_FS_O_RANDOM _O_RANDOM
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680 #define UV_FS_O_RDONLY _O_RDONLY
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681 #define UV_FS_O_RDWR _O_RDWR
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682 #define UV_FS_O_SEQUENTIAL _O_SEQUENTIAL
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683 #define UV_FS_O_SHORT_LIVED _O_SHORT_LIVED
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684 #define UV_FS_O_TEMPORARY _O_TEMPORARY
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685 #define UV_FS_O_TRUNC _O_TRUNC
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686 #define UV_FS_O_WRONLY _O_WRONLY
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687
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688 /* fs open() flags supported on other platforms (or mapped on this platform): */
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689 #define UV_FS_O_DIRECT 0x02000000 /* FILE_FLAG_NO_BUFFERING */
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690 #define UV_FS_O_DIRECTORY 0
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691 #define UV_FS_O_DSYNC 0x04000000 /* FILE_FLAG_WRITE_THROUGH */
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692 #define UV_FS_O_EXLOCK 0x10000000 /* EXCLUSIVE SHARING MODE */
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693 #define UV_FS_O_NOATIME 0
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694 #define UV_FS_O_NOCTTY 0
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695 #define UV_FS_O_NOFOLLOW 0
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696 #define UV_FS_O_NONBLOCK 0
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697 #define UV_FS_O_SYMLINK 0
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698 #define UV_FS_O_SYNC 0x08000000 /* FILE_FLAG_WRITE_THROUGH */
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