include/winsock.h

   1 /* WINSOCK.H--definitions to be used with the WINSOCK.DLL
   2  *
   3  * This header file corresponds to version 1.1 of the Windows Sockets
   4  * specification.
   5  */
   6
   7 #ifndef _WINSOCKAPI_
   8 #define _WINSOCKAPI_
   9
  10 #include <netinet/in.h>
  11 #include <arpa/inet.h>
  12 #include <sys/types.h>
  13 #include <sys/time.h>
  14 #include <fcntl.h>
  15 #include <netdb.h>
  16 #include <sys/socket.h>
  17 #include "windows.h"
  18
  19 #pragma pack(1)
  20
  21 /* Win16 socket-related types */
  22
  23 typedef UINT16          SOCKET16;
  24 typedef UINT32          SOCKET32;
  25
  26 typedef struct ws_hostent
  27 {
  28         SEGPTR  h_name;         /* official name of host */
  29         SEGPTR  h_aliases;      /* alias list */
  30         INT16   h_addrtype;     /* host address type */
  31         INT16   h_length;       /* length of address */
  32         SEGPTR  h_addr_list;    /* list of addresses from name server */
  33 } _ws_hostent;
  34
  35 typedef struct ws_protoent
  36 {
  37         SEGPTR  p_name;         /* official protocol name */
  38         SEGPTR  p_aliases;      /* alias list */
  39         INT16   p_proto;        /* protocol # */
  40 } _ws_protoent;
  41
  42 typedef struct ws_servent
  43 {
  44         SEGPTR  s_name;         /* official service name */
  45         SEGPTR  s_aliases;      /* alias list */
  46         INT16   s_port;         /* port # */
  47         SEGPTR  s_proto;        /* protocol to use */
  48 } _ws_servent;
  49
  50 typedef struct ws_netent
  51 {
  52         SEGPTR  n_name;         /* official name of net */
  53         SEGPTR  n_aliases;      /* alias list */
  54         INT16   n_addrtype;     /* net address type */
  55         INT32   n_net;          /* network # */
  56 } _ws_netent;
  57
  58 typedef struct sockaddr         ws_sockaddr;
  59
  60 typedef struct
  61 {
  62         UINT16    fd_count;               /* how many are SET? */
  63         SOCKET16  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  64 } ws_fd_set16;
  65
  66 typedef struct
  67 {
  68         UINT32    fd_count;               /* how many are SET? */
  69         SOCKET32  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  70 } ws_fd_set32;
  71
  72 /* ws_fd_set operations */
  73
  74 INT16 WINAPI __WSAFDIsSet16( SOCKET16, ws_fd_set16 * );
  75 INT32 WINAPI __WSAFDIsSet32( SOCKET32, ws_fd_set32 * );
  76 #define __WSAFDIsSet WINELIB_NAME(__WSAFDIsSet);
  77
  78 #define __WS_FD_CLR(fd, set, cast) do { \
  79     UINT16 __i; \
  80     for (__i = 0; __i < ((cast*)(set))->fd_count ; __i++) \
  81     { \
  82         if (((cast*)(set))->fd_array[__i] == fd) \
  83         { \
  84             while (__i < ((cast*)(set))->fd_count-1) \
  85             { \
  86                 ((cast*)(set))->fd_array[__i] = \
  87                     ((cast*)(set))->fd_array[__i+1]; \
  88                 __i++; \
  89             } \
  90             ((cast*)(set))->fd_count--; \
  91             break; \
  92         } \
  93     } \
  94 } while(0)
  95 #define WS_FD_CLR16(fd, set)    __WS_FD_CLR((fd),(set), ws_fd_set16)
  96 #define WS_FD_CLR32(fd, set)    __WS_FD_CLR((fd),(set), ws_fd_set32)
  97 #define WS_FD_CLR               WINELIB_NAME(WS_FD_CLR);
  98
  99 #define __WS_FD_SET(fd, set, cast) do { \
 100     if (((cast*)(set))->fd_count < FD_SETSIZE) \
 101         ((cast*)(set))->fd_array[((cast*)(set))->fd_count++]=(fd);\
 102 } while(0)
 103 #define WS_FD_SET16(fd, set)    __WS_FD_SET((fd),(set), ws_fd_set16)
 104 #define WS_FD_SET32(fd, set)    __WS_FD_SET((fd),(set), ws_fd_set32)
 105 #define WS_FD_SET               WINELIB_NAME(WS_FD_SET);
 106
 107 #define WS_FD_ZERO16(set) (((ws_fd_set16*)(set))->fd_count=0)
 108 #define WS_FD_ZERO32(set) (((ws_fd_set32*)(set))->fd_count=0)
 109 #define WS_FD_ZERO              WINELIB_NAME(WS_FD_ZERO);
 110
 111 #define WS_FD_ISSET16(fd, set) __WSAFDIsSet16((SOCKET16)(fd), (ws_fd_set16*)(set))
 112 #define WS_FD_ISSET32(fd, set) __WSAFDIsSet32((SOCKET32)(fd), (ws_fd_set32*)(set))
 113 #define WS_FD_ISSET             WINELIB_NAME(WS_FD_ISSET);
 114
 115 /*
 116  * Internet address (old style... should be updated)
 117  */
 118
 119 struct ws_in_addr
 120 {
 121         union {
 122                 struct { BYTE   s_b1,s_b2,s_b3,s_b4; } S_un_b;
 123                 struct { UINT16 s_w1,s_w2; } S_un_w;
 124                 UINT32 S_addr;
 125         } S_un;
 126 #define ws_addr  S_un.S_addr            /* can be used for most tcp & ip code */
 127 #define ws_host  S_un.S_un_b.s_b2       /* host on imp */
 128 #define ws_net   S_un.S_un_b.s_b1       /* network */
 129 #define ws_imp   S_un.S_un_w.s_w2       /* imp */
 130 #define ws_impno S_un.S_un_b.s_b4       /* imp # */
 131 #define ws_lh    S_un.S_un_b.s_b3       /* logical host */
 132 };
 133
 134 struct ws_sockaddr_in
 135 {
 136         INT16           sin_family;
 137         UINT16          sin_port;
 138         struct ws_in_addr sin_addr;
 139         BYTE            sin_zero[8];
 140 };
 141
 142 #define WSADESCRIPTION_LEN      256
 143 #define WSASYS_STATUS_LEN       128
 144
 145 typedef struct WSAData {
 146         WORD                    wVersion;
 147         WORD                    wHighVersion;
 148         char                    szDescription[WSADESCRIPTION_LEN+1];
 149         char                    szSystemStatus[WSASYS_STATUS_LEN+1];
 150         UINT16                  iMaxSockets;
 151         UINT16                  iMaxUdpDg;
 152         SEGPTR                  lpVendorInfo;
 153 } WSADATA, *LPWSADATA;
 154
 155 #pragma pack(4)
 156
 157 /* ----------------------------------- no Win16 structure defs beyond this line! */
 158
 159 /*
 160  * This is used instead of -1, since the
 161  * SOCKET type is unsigned.
 162  */
 163 #define INVALID_SOCKET16           (~0)
 164 #define INVALID_SOCKET32           (~0)
 165 #define SOCKET_ERROR               (-1)
 166
 167 DECL_WINELIB_TYPE(INVALID_SOCKET);
 168 DECL_WINELIB_TYPE(SOCKET);
 169
 170 /*
 171  * Types
 172  */
 173 #define WS_SOCK_STREAM     1               /* stream socket */
 174 #define WS_SOCK_DGRAM      2               /* datagram socket */
 175 #define WS_SOCK_RAW        3               /* raw-protocol interface */
 176 #define WS_SOCK_RDM        4               /* reliably-delivered message */
 177 #define WS_SOCK_SEQPACKET  5               /* sequenced packet stream */
 178
 179 #define WS_SOL_SOCKET           0xffff
 180 #define WS_IPPROTO_TCP          6
 181
 182 /*
 183  * Option flags per-socket.
 184  */
 185 #define WS_SO_DEBUG        0x0001          /* turn on debugging info recording */
 186 #define WS_SO_ACCEPTCONN   0x0002          /* socket has had listen() */
 187 #define WS_SO_REUSEADDR    0x0004          /* allow local address reuse */
 188 #define WS_SO_KEEPALIVE    0x0008          /* keep connections alive */
 189 #define WS_SO_DONTROUTE    0x0010          /* just use interface addresses */
 190 #define WS_SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
 191 #define WS_SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
 192 #define WS_SO_LINGER       0x0080          /* linger on close if data present */
 193 #define WS_SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 194
 195 #define WS_SO_DONTLINGER   (UINT32)(~WS_SO_LINGER)
 196
 197 /*
 198  * Additional options.
 199  */
 200 #define WS_SO_SNDBUF       0x1001          /* send buffer size */
 201 #define WS_SO_RCVBUF       0x1002          /* receive buffer size */
 202 #define WS_SO_SNDLOWAT     0x1003          /* send low-water mark */
 203 #define WS_SO_RCVLOWAT     0x1004          /* receive low-water mark */
 204 #define WS_SO_SNDTIMEO     0x1005          /* send timeout */
 205 #define WS_SO_RCVTIMEO     0x1006          /* receive timeout */
 206 #define WS_SO_ERROR        0x1007          /* get error status and clear */
 207 #define WS_SO_TYPE         0x1008          /* get socket type */
 208
 209 #define WS_IOCPARM_MASK    0x7f            /* parameters must be < 128 bytes */
 210 #define WS_IOC_VOID        0x20000000      /* no parameters */
 211 #define WS_IOC_OUT         0x40000000      /* copy out parameters */
 212 #define WS_IOC_IN          0x80000000      /* copy in parameters */
 213 #define WS_IOC_INOUT       (WS_IOC_IN|WS_IOC_OUT)
 214 #define WS_IOR(x,y,t)      (WS_IOC_OUT|(((UINT32)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 215 #define WS_IOW(x,y,t)      (WS_IOC_IN|(((UINT32)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 216
 217 /*
 218  * Socket I/O flags (supported by spec 1.1)
 219  */
 220
 221 #define WS_FIONREAD    WS_IOR('f', 127, u_long)
 222 #define WS_FIONBIO     WS_IOW('f', 126, u_long)
 223
 224 #define WS_SIOCATMARK  WS_IOR('s',  7, u_long)
 225
 226 /*
 227  * Maximum queue length specifiable by listen.
 228  */
 229 #ifdef SOMAXCONN
 230 #undef SOMAXCONN
 231 #endif
 232 #define SOMAXCONN       5
 233
 234 #ifndef MSG_DONTROUTE
 235 #define MSG_DONTROUTE   0x4             /* send without using routing tables */
 236 #endif
 237 #define MSG_MAXIOVLEN   16
 238
 239 /*
 240  * Define constant based on rfc883, used by gethostbyxxxx() calls.
 241  */
 242 #define MAXGETHOSTSTRUCT        1024
 243
 244 /*
 245  * Define flags to be used with the WSAAsyncSelect() call.
 246  */
 247 #define WS_FD_READ         0x0001
 248 #define WS_FD_WRITE        0x0002
 249 #define WS_FD_OOB          0x0004
 250 #define WS_FD_ACCEPT       0x0008
 251 #define WS_FD_CONNECT      0x0010
 252 #define WS_FD_CLOSE        0x0020
 253
 254 #define WS_FD_LISTENING    0x10000000   /* internal per-socket flags */
 255 #define WS_FD_INACTIVE     0x20000000
 256 #define WS_FD_CONNECTED    0x40000000
 257 #define WS_FD_RAW          0x80000000
 258 #define WS_FD_INTERNAL     0xFFFF0000
 259
 260 /*
 261  * All Windows Sockets error constants are biased by WSABASEERR from
 262  * the "normal"
 263  */
 264 #define WSABASEERR              10000
 265 /*
 266  * Windows Sockets definitions of regular Microsoft C error constants
 267  */
 268 #define WSAEINTR                (WSABASEERR+4)
 269 #define WSAEBADF                (WSABASEERR+9)
 270 #define WSAEACCES               (WSABASEERR+13)
 271 #define WSAEFAULT               (WSABASEERR+14)
 272 #define WSAEINVAL               (WSABASEERR+22)
 273 #define WSAEMFILE               (WSABASEERR+24)
 274
 275 /*
 276  * Windows Sockets definitions of regular Berkeley error constants
 277  */
 278 #define WSAEWOULDBLOCK          (WSABASEERR+35)
 279 #define WSAEINPROGRESS          (WSABASEERR+36)
 280 #define WSAEALREADY             (WSABASEERR+37)
 281 #define WSAENOTSOCK             (WSABASEERR+38)
 282 #define WSAEDESTADDRREQ         (WSABASEERR+39)
 283 #define WSAEMSGSIZE             (WSABASEERR+40)
 284 #define WSAEPROTOTYPE           (WSABASEERR+41)
 285 #define WSAENOPROTOOPT          (WSABASEERR+42)
 286 #define WSAEPROTONOSUPPORT      (WSABASEERR+43)
 287 #define WSAESOCKTNOSUPPORT      (WSABASEERR+44)
 288 #define WSAEOPNOTSUPP           (WSABASEERR+45)
 289 #define WSAEPFNOSUPPORT         (WSABASEERR+46)
 290 #define WSAEAFNOSUPPORT         (WSABASEERR+47)
 291 #define WSAEADDRINUSE           (WSABASEERR+48)
 292 #define WSAEADDRNOTAVAIL        (WSABASEERR+49)
 293 #define WSAENETDOWN             (WSABASEERR+50)
 294 #define WSAENETUNREACH          (WSABASEERR+51)
 295 #define WSAENETRESET            (WSABASEERR+52)
 296 #define WSAECONNABORTED         (WSABASEERR+53)
 297 #define WSAECONNRESET           (WSABASEERR+54)
 298 #define WSAENOBUFS              (WSABASEERR+55)
 299 #define WSAEISCONN              (WSABASEERR+56)
 300 #define WSAENOTCONN             (WSABASEERR+57)
 301 #define WSAESHUTDOWN            (WSABASEERR+58)
 302 #define WSAETOOMANYREFS         (WSABASEERR+59)
 303 #define WSAETIMEDOUT            (WSABASEERR+60)
 304 #define WSAECONNREFUSED         (WSABASEERR+61)
 305 #define WSAELOOP                (WSABASEERR+62)
 306 #define WSAENAMETOOLONG         (WSABASEERR+63)
 307 #define WSAEHOSTDOWN            (WSABASEERR+64)
 308 #define WSAEHOSTUNREACH         (WSABASEERR+65)
 309 #define WSAENOTEMPTY            (WSABASEERR+66)
 310 #define WSAEPROCLIM             (WSABASEERR+67)
 311 #define WSAEUSERS               (WSABASEERR+68)
 312 #define WSAEDQUOT               (WSABASEERR+69)
 313 #define WSAESTALE               (WSABASEERR+70)
 314 #define WSAEREMOTE              (WSABASEERR+71)
 315
 316 /*
 317  * Extended Windows Sockets error constant definitions
 318  */
 319 #define WSASYSNOTREADY          (WSABASEERR+91)
 320 #define WSAVERNOTSUPPORTED      (WSABASEERR+92)
 321 #define WSANOTINITIALISED       (WSABASEERR+93)
 322
 323 /*
 324  * Error return codes from gethostbyname() and gethostbyaddr()
 325  * (when using the resolver). Note that these errors are
 326  * retrieved via WSAGetLastError() and must therefore follow
 327  * the rules for avoiding clashes with error numbers from
 328  * specific implementations or language run-time systems.
 329  * For this reason the codes are based at WSABASEERR+1001.
 330  * Note also that [WSA]NO_ADDRESS is defined only for
 331  * compatibility purposes.
 332  */
 333
 334 /* #define h_errno         WSAGetLastError() */
 335
 336 /* Authoritative Answer: Host not found */
 337 #define WSAHOST_NOT_FOUND       (WSABASEERR+1001)
 338
 339 /* Non-Authoritative: Host not found, or SERVERFAIL */
 340 #define WSATRY_AGAIN            (WSABASEERR+1002)
 341
 342 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 343 #define WSANO_RECOVERY          (WSABASEERR+1003)
 344
 345 /* Valid name, no data record of requested type */
 346 #define WSANO_DATA              (WSABASEERR+1004)
 347
 348 /* no address, look for MX record */
 349 #define WSANO_ADDRESS           WSANO_DATA
 350
 351 /* Socket function prototypes */
 352
 353 #ifdef __cplusplus
 354 extern "C" {
 355 #endif
 356
 357 /* Microsoft Windows Extension function prototypes */
 358
 359 INT16     WINAPI WSAStartup16(UINT16 wVersionRequired, LPWSADATA lpWSAData);
 360 INT32     WINAPI WSAStartup32(UINT32 wVersionRequired, LPWSADATA lpWSAData);
 361 #define   WSAStartup WINELIB_NAME(WSAStartup);
 362 void      WINAPI WSASetLastError16(INT16 iError);
 363 void      WINAPI WSASetLastError32(INT32 iError);
 364 #define   WSASetLastError WINELIB_NAME(WSASetLastError);
 365 INT32     WINAPI WSACleanup(void);
 366 INT32     WINAPI WSAGetLastError(void);
 367 BOOL32    WINAPI WSAIsBlocking(void);
 368 INT32     WINAPI WSACancelBlockingCall(void);
 369 INT16     WINAPI WSAUnhookBlockingHook16(void);
 370 INT32     WINAPI WSAUnhookBlockingHook32(void);
 371 #define   WSAUnhookBlockingHook WINELIB_NAME(WSAUnhookBlockingHook)
 372 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc);
 373 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc);
 374 #define   WSASetBlockingHook WINELIB_NAME(WSASetBlockingHook)
 375
 376 HANDLE16  WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 wMsg, LPCSTR name, LPCSTR proto,
 377                                          SEGPTR buf, INT16 buflen);
 378 HANDLE32  WINAPI WSAAsyncGetServByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name, LPCSTR proto,
 379                                          LPSTR sbuf, INT32 buflen);
 380 #define   WSAAsyncGetServByName WINELIB_NAME(WSAAsyncGetServByName)
 381
 382 HANDLE16  WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 wMsg, INT16 port,
 383                                          LPCSTR proto, SEGPTR buf, INT16 buflen);
 384 HANDLE32  WINAPI WSAAsyncGetServByPort32(HWND32 hWnd, UINT32 uMsg, INT32 port,
 385                                          LPCSTR proto, LPSTR sbuf, INT32 buflen);
 386 #define   WSAAsyncGetServByPort WINELIB_NAME(WSAAsyncGetServByPort)
 387
 388 HANDLE16  WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 wMsg,
 389                                           LPCSTR name, SEGPTR buf, INT16 buflen);
 390 HANDLE32  WINAPI WSAAsyncGetProtoByName32(HWND32 hWnd, UINT32 uMsg,
 391                                           LPCSTR name, LPSTR sbuf, INT32 buflen);
 392 #define   WSAAsyncGetProtoByByName WINELIB_NAME(WSAAsyncGetProtoByByName)
 393
 394 HANDLE16  WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 wMsg,
 395                                             INT16 number, SEGPTR buf, INT16 buflen);
 396 HANDLE32  WINAPI WSAAsyncGetProtoByNumber32(HWND32 hWnd, UINT32 uMsg,
 397                                             INT32 number, LPSTR sbuf, INT32 buflen);
 398 #define   WSAAsyncGetProtoByNumber WINELIB_NAME(WSAAsyncGetProtoByNumber)
 399
 400 HANDLE16  WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 wMsg,
 401                                          LPCSTR name, SEGPTR buf, INT16 buflen);
 402 HANDLE32  WINAPI WSAAsyncGetHostByName32(HWND32 hWnd, UINT32 uMsg,
 403                                          LPCSTR name, LPSTR sbuf, INT32 buflen);
 404 #define   WSAAsyncGetHostByName WINELIB_NAME(WSAAsyncGetHostByName)
 405
 406 HANDLE16  WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 wMsg, LPCSTR addr,
 407                               INT16 len, INT16 type, SEGPTR buf, INT16 buflen);
 408 HANDLE32  WINAPI WSAAsyncGetHostByAddr32(HWND32 hWnd, UINT32 uMsg, LPCSTR addr,
 409                               INT32 len, INT32 type, LPSTR sbuf, INT32 buflen);
 410 #define   WSAAsyncGetHostByAddr WINELIB_NAME(WSAAsyncGetHostByAddr)
 411
 412 INT16     WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle);
 413 INT32     WINAPI WSACancelAsyncRequest32(HANDLE32 hAsyncTaskHandle);
 414 #define   WSACancelAsyncRequest WINELIB_NAME(WSACancelAsyncRequest)
 415
 416 INT16     WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT32 lEvent);
 417 INT32     WINAPI WSAAsyncSelect32(SOCKET32 s, HWND32 hWnd, UINT32 uMsg, UINT32 lEvent);
 418 #define   WSAAsyncSelect WINELIB_NAME(WSAAsyncSelect)
 419
 420
 421 #ifdef __cplusplus
 422 }
 423 #endif
 424
 425 /* Microsoft Windows Extended data types */
 426 typedef struct sockaddr SOCKADDR, *PSOCKADDR, *LPSOCKADDR;
 427 typedef struct sockaddr_in SOCKADDR_IN, *PSOCKADDR_IN, *LPSOCKADDR_IN;
 428 typedef struct linger LINGER, *PLINGER, *LPLINGER;
 429 typedef struct in_addr IN_ADDR, *PIN_ADDR, *LPIN_ADDR;
 430 typedef struct fd_set FD_SET, *PFD_SET, *LPFD_SET;
 431 typedef struct hostent HOSTENT, *PHOSTENT, *LPHOSTENT;
 432 typedef struct servent SERVENT, *PSERVENT, *LPSERVENT;
 433 typedef struct protoent PROTOENT, *PPROTOENT, *LPPROTOENT;
 434 typedef struct timeval TIMEVAL, *PTIMEVAL, *LPTIMEVAL;
 435
 436 /*
 437  * Windows message parameter composition and decomposition
 438  * macros.
 439  *
 440  * WSAMAKEASYNCREPLY is intended for use by the Windows Sockets implementation
 441  * when constructing the response to a WSAAsyncGetXByY() routine.
 442  */
 443 #define WSAMAKEASYNCREPLY(buflen,error)     MAKELONG(buflen,error)
 444 /*
 445  * WSAMAKESELECTREPLY is intended for use by the Windows Sockets implementation
 446  * when constructing the response to WSAAsyncSelect().
 447  */
 448 #define WSAMAKESELECTREPLY(event,error)     MAKELONG(event,error)
 449 /*
 450  * WSAGETASYNCBUFLEN is intended for use by the Windows Sockets application
 451  * to extract the buffer length from the lParam in the response
 452  * to a WSAGetXByY().
 453  */
 454 #define WSAGETASYNCBUFLEN(lParam)           LOWORD(lParam)
 455 /*
 456  * WSAGETASYNCERROR is intended for use by the Windows Sockets application
 457  * to extract the error code from the lParam in the response
 458  * to a WSAGetXByY().
 459  */
 460 #define WSAGETASYNCERROR(lParam)            HIWORD(lParam)
 461 /*
 462  * WSAGETSELECTEVENT is intended for use by the Windows Sockets application
 463  * to extract the event code from the lParam in the response
 464  * to a WSAAsyncSelect().
 465  */
 466 #define WSAGETSELECTEVENT(lParam)           LOWORD(lParam)
 467 /*
 468  * WSAGETSELECTERROR is intended for use by the Windows Sockets application
 469  * to extract the error code from the lParam in the response
 470  * to a WSAAsyncSelect().
 471  */
 472 #define WSAGETSELECTERROR(lParam)           HIWORD(lParam)
 473
 474 /* ----------------------------------- internal structures */
 475
 476 /* ws_... struct conversion flags */
 477
 478 #define WS_DUP_LINEAR           0x0000
 479 #define WS_DUP_NATIVE           0x0001          /* native structure format (not ws_..) */
 480 #define WS_DUP_OFFSET           0x0002          /* internal pointers are offsets */
 481 #define WS_DUP_SEGPTR           0x0004          /* internal pointers are SEGPTRs */
 482                                                 /* by default, internal pointers are linear */
 483 /* async DNS op flags */
 484
 485 #define AOP_IO                  0x0000001       /* aop_control paramaters */
 486
 487 #define AOP_CONTROL_REMOVE      0x0000000       /* aop_control return values */
 488 #define AOP_CONTROL_KEEP        0x0000001
 489
 490 typedef struct  __aop
 491 {
 492   /* AOp header */
 493
 494   struct __aop *next, *prev;
 495   int           fd[2];                          /* pipe */
 496   int   (*aop_control)(struct __aop*, int);     /* SIGIO handler */
 497   pid_t         pid;                            /* child process pid */
 498
 499   /* custom data */
 500
 501   HWND32        hWnd;                           /* hWnd to post */
 502   UINT32        uMsg;                           /* uMsg message to. */
 503
 504   union
 505   {
 506     SEGPTR seg_base;
 507     LPSTR  lin_base;
 508     void*  ptr_base;
 509   }             b;                              /* buffer to copy result to */
 510
 511   UINT32        buflen;
 512   UINT32        flags;                          /* WSMSG_ASYNC_... */
 513 } ws_async_op;
 514
 515 #define WSMSG_ASYNC_HOSTBYNAME  0x0001
 516 #define WSMSG_ASYNC_HOSTBYADDR  0x0002
 517 #define WSMSG_ASYNC_PROTOBYNAME 0x0010
 518 #define WSMSG_ASYNC_PROTOBYNUM  0x0020
 519 #define WSMSG_ASYNC_SERVBYNAME  0x0100
 520 #define WSMSG_ASYNC_SERVBYPORT  0x0200
 521 #define WSMSG_ASYNC_WIN32       0x1000
 522 #define WSMSG_DEAD_AOP          0x8000
 523
 524 typedef struct __sop    /* WSAAsyncSelect() control struct */
 525 {
 526   struct __sop *next, *prev;
 527
 528   struct __ws*  pws;
 529   HWND32        hWnd;
 530   UINT32        uMsg;
 531 } ws_select_op;
 532
 533 typedef struct  __ws    /* socket */
 534 {
 535   int           fd;
 536   unsigned      flags;
 537   ws_select_op* psop;
 538 } ws_socket;
 539
 540 #define WS_MAX_SOCKETS_PER_THREAD       16
 541 #define WS_MAX_UDP_DATAGRAM             1024
 542
 543 #define WSI_BLOCKINGCALL        0x00000001      /* per-thread info flags */
 544 #define WSI_BLOCKINGHOOK32      0x00000002      /* 32-bit callback */
 545
 546 typedef struct _WSINFO
 547 {
 548   struct _WSINFO*       prev,*next;
 549
 550   unsigned              flags;
 551   INT32                 err;                    /* WSAGetLastError() return value */
 552   INT16                 num_startup;            /* reference counter */
 553   INT16                 num_async_rq;
 554   INT16                 last_free;              /* entry in the socket table */
 555   UINT16                buflen;
 556   char*                 buffer;                 /* allocated from SEGPTR heap */
 557   char*                 dbuffer;                /* buffer for dummies (32 bytes) */
 558
 559   ws_socket             sock[WS_MAX_SOCKETS_PER_THREAD];
 560   DWORD                 blocking_hook;
 561   HTASK16               tid;                    /* owning task id - process might be better */
 562 } WSINFO, *LPWSINFO;
 563
 564 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag);
 565 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag);
 566 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag);
 567
 568 void WS_do_async_gethost(LPWSINFO, unsigned);
 569 void WS_do_async_getproto(LPWSINFO, unsigned);
 570 void WS_do_async_getserv(LPWSINFO, unsigned);
 571
 572 int WINSOCK_async_io(int fd, int async);
 573 int WINSOCK_unblock_io(int fd, int noblock);
 574
 575 int  WINSOCK_check_async_op(ws_async_op* p_aop);
 576 void WINSOCK_link_async_op(ws_async_op* p_aop);
 577 void WINSOCK_unlink_async_op(ws_async_op* p_aop);
 578 int  WINSOCK_cancel_async_op(ws_async_op* p_aop);
 579
 580 void WINSOCK_cancel_task_aops(HTASK16, void (*__memfree)(void*) );
 581
 582 BOOL32 WINSOCK_HandleIO(int* fd_max, int num_pending, fd_set io_set[3] );
 583 void   WINSOCK_Shutdown(void);
 584 UINT16 wsaErrno(void);
 585 UINT16 wsaHerrno(void);
 586
 587 #endif  /* _WINSOCKAPI_ */
 588