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 #ifdef HAVE_LINUX_IPX_H
  17 # include <asm/types.h>
  18 # include <linux/ipx.h>
  19 #endif
  20 #include <sys/socket.h>
  21 #include "windows.h"
  22 #include "task.h"
  23
  24 #pragma pack(1)
  25
  26 /* Win16 socket-related types */
  27
  28 typedef UINT16          SOCKET16;
  29 typedef UINT32          SOCKET32;
  30
  31 typedef struct ws_hostent
  32 {
  33         SEGPTR  h_name;         /* official name of host */
  34         SEGPTR  h_aliases;      /* alias list */
  35         INT16   h_addrtype;     /* host address type */
  36         INT16   h_length;       /* length of address */
  37         SEGPTR  h_addr_list;    /* list of addresses from name server */
  38 } _ws_hostent;
  39
  40 typedef struct ws_protoent
  41 {
  42         SEGPTR  p_name;         /* official protocol name */
  43         SEGPTR  p_aliases;      /* alias list */
  44         INT16   p_proto;        /* protocol # */
  45 } _ws_protoent;
  46
  47 typedef struct ws_servent
  48 {
  49         SEGPTR  s_name;         /* official service name */
  50         SEGPTR  s_aliases;      /* alias list */
  51         INT16   s_port;         /* port # */
  52         SEGPTR  s_proto;        /* protocol to use */
  53 } _ws_servent;
  54
  55 typedef struct ws_netent
  56 {
  57         SEGPTR  n_name;         /* official name of net */
  58         SEGPTR  n_aliases;      /* alias list */
  59         INT16   n_addrtype;     /* net address type */
  60         INT32   n_net;          /* network # */
  61 } _ws_netent;
  62
  63 typedef struct sockaddr         ws_sockaddr;
  64
  65 typedef struct
  66 {
  67         UINT16    fd_count;               /* how many are SET? */
  68         SOCKET16  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  69 } ws_fd_set16;
  70
  71 typedef struct
  72 {
  73         UINT32    fd_count;               /* how many are SET? */
  74         SOCKET32  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  75 } ws_fd_set32;
  76
  77 /* ws_fd_set operations */
  78
  79 INT16 WINAPI __WSAFDIsSet16( SOCKET16, ws_fd_set16 * );
  80 INT32 WINAPI __WSAFDIsSet32( SOCKET32, ws_fd_set32 * );
  81 #define __WSAFDIsSet WINELIB_NAME(__WSAFDIsSet);
  82
  83 #define __WS_FD_CLR(fd, set, cast) do { \
  84     UINT16 __i; \
  85     for (__i = 0; __i < ((cast*)(set))->fd_count ; __i++) \
  86     { \
  87         if (((cast*)(set))->fd_array[__i] == fd) \
  88         { \
  89             while (__i < ((cast*)(set))->fd_count-1) \
  90             { \
  91                 ((cast*)(set))->fd_array[__i] = \
  92                     ((cast*)(set))->fd_array[__i+1]; \
  93                 __i++; \
  94             } \
  95             ((cast*)(set))->fd_count--; \
  96             break; \
  97         } \
  98     } \
  99 } while(0)
 100 #define WS_FD_CLR16(fd, set)    __WS_FD_CLR((fd),(set), ws_fd_set16)
 101 #define WS_FD_CLR32(fd, set)    __WS_FD_CLR((fd),(set), ws_fd_set32)
 102 #define WS_FD_CLR               WINELIB_NAME(WS_FD_CLR);
 103
 104 #define __WS_FD_SET(fd, set, cast) do { \
 105     if (((cast*)(set))->fd_count < FD_SETSIZE) \
 106         ((cast*)(set))->fd_array[((cast*)(set))->fd_count++]=(fd);\
 107 } while(0)
 108 #define WS_FD_SET16(fd, set)    __WS_FD_SET((fd),(set), ws_fd_set16)
 109 #define WS_FD_SET32(fd, set)    __WS_FD_SET((fd),(set), ws_fd_set32)
 110 #define WS_FD_SET               WINELIB_NAME(WS_FD_SET);
 111
 112 #define WS_FD_ZERO16(set) (((ws_fd_set16*)(set))->fd_count=0)
 113 #define WS_FD_ZERO32(set) (((ws_fd_set32*)(set))->fd_count=0)
 114 #define WS_FD_ZERO              WINELIB_NAME(WS_FD_ZERO);
 115
 116 #define WS_FD_ISSET16(fd, set) __WSAFDIsSet16((SOCKET16)(fd), (ws_fd_set16*)(set))
 117 #define WS_FD_ISSET32(fd, set) __WSAFDIsSet32((SOCKET32)(fd), (ws_fd_set32*)(set))
 118 #define WS_FD_ISSET             WINELIB_NAME(WS_FD_ISSET);
 119
 120 /*
 121  * Internet address (old style... should be updated)
 122  */
 123
 124 struct ws_in_addr
 125 {
 126         union {
 127                 struct { BYTE   s_b1,s_b2,s_b3,s_b4; } S_un_b;
 128                 struct { UINT16 s_w1,s_w2; } S_un_w;
 129                 UINT32 S_addr;
 130         } S_un;
 131 #define ws_addr  S_un.S_addr            /* can be used for most tcp & ip code */
 132 #define ws_host  S_un.S_un_b.s_b2       /* host on imp */
 133 #define ws_net   S_un.S_un_b.s_b1       /* network */
 134 #define ws_imp   S_un.S_un_w.s_w2       /* imp */
 135 #define ws_impno S_un.S_un_b.s_b4       /* imp # */
 136 #define ws_lh    S_un.S_un_b.s_b3       /* logical host */
 137 };
 138
 139 struct ws_sockaddr_in
 140 {
 141         INT16           sin_family;
 142         UINT16          sin_port;
 143         struct ws_in_addr sin_addr;
 144         BYTE            sin_zero[8];
 145 };
 146
 147 #define WSADESCRIPTION_LEN      256
 148 #define WSASYS_STATUS_LEN       128
 149
 150 typedef struct WSAData {
 151         WORD                    wVersion;
 152         WORD                    wHighVersion;
 153         char                    szDescription[WSADESCRIPTION_LEN+1];
 154         char                    szSystemStatus[WSASYS_STATUS_LEN+1];
 155         UINT16                  iMaxSockets;
 156         UINT16                  iMaxUdpDg;
 157         SEGPTR                  lpVendorInfo;
 158 } WSADATA, *LPWSADATA;
 159
 160 #pragma pack(4)
 161
 162 /* ----------------------------------- no Win16 structure defs beyond this line! */
 163
 164 /*
 165  * This is used instead of -1, since the
 166  * SOCKET type is unsigned.
 167  */
 168 #define INVALID_SOCKET16           (~0)
 169 #define INVALID_SOCKET32           (~0)
 170 #define SOCKET_ERROR               (-1)
 171
 172 DECL_WINELIB_TYPE(INVALID_SOCKET)
 173 DECL_WINELIB_TYPE(SOCKET)
 174
 175 /*
 176  * Types
 177  */
 178 #define WS_SOCK_STREAM     1               /* stream socket */
 179 #define WS_SOCK_DGRAM      2               /* datagram socket */
 180 #define WS_SOCK_RAW        3               /* raw-protocol interface */
 181 #define WS_SOCK_RDM        4               /* reliably-delivered message */
 182 #define WS_SOCK_SEQPACKET  5               /* sequenced packet stream */
 183
 184 #define WS_SOL_SOCKET           0xffff
 185 #define WS_IPPROTO_TCP          6
 186
 187 /*
 188  * Option flags per-socket.
 189  */
 190 #define WS_SO_DEBUG        0x0001          /* turn on debugging info recording */
 191 #define WS_SO_ACCEPTCONN   0x0002          /* socket has had listen() */
 192 #define WS_SO_REUSEADDR    0x0004          /* allow local address reuse */
 193 #define WS_SO_KEEPALIVE    0x0008          /* keep connections alive */
 194 #define WS_SO_DONTROUTE    0x0010          /* just use interface addresses */
 195 #define WS_SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
 196 #define WS_SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
 197 #define WS_SO_LINGER       0x0080          /* linger on close if data present */
 198 #define WS_SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 199
 200 #define WS_SO_DONTLINGER   (UINT32)(~WS_SO_LINGER)
 201
 202 /*
 203  * Additional options.
 204  */
 205 #define WS_SO_SNDBUF       0x1001          /* send buffer size */
 206 #define WS_SO_RCVBUF       0x1002          /* receive buffer size */
 207 #define WS_SO_SNDLOWAT     0x1003          /* send low-water mark */
 208 #define WS_SO_RCVLOWAT     0x1004          /* receive low-water mark */
 209 #define WS_SO_SNDTIMEO     0x1005          /* send timeout */
 210 #define WS_SO_RCVTIMEO     0x1006          /* receive timeout */
 211 #define WS_SO_ERROR        0x1007          /* get error status and clear */
 212 #define WS_SO_TYPE         0x1008          /* get socket type */
 213
 214 #define WS_IOCPARM_MASK    0x7f            /* parameters must be < 128 bytes */
 215 #define WS_IOC_VOID        0x20000000      /* no parameters */
 216 #define WS_IOC_OUT         0x40000000      /* copy out parameters */
 217 #define WS_IOC_IN          0x80000000      /* copy in parameters */
 218 #define WS_IOC_INOUT       (WS_IOC_IN|WS_IOC_OUT)
 219 #define WS_IOR(x,y,t)      (WS_IOC_OUT|(((UINT32)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 220 #define WS_IOW(x,y,t)      (WS_IOC_IN|(((UINT32)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 221
 222 /*
 223  * Socket I/O flags (supported by spec 1.1)
 224  */
 225
 226 #define WS_FIONREAD    WS_IOR('f', 127, u_long)
 227 #define WS_FIONBIO     WS_IOW('f', 126, u_long)
 228
 229 #define WS_SIOCATMARK  WS_IOR('s',  7, u_long)
 230
 231 /*
 232  * Maximum queue length specifiable by listen.
 233  */
 234 #ifdef SOMAXCONN
 235 #undef SOMAXCONN
 236 #endif
 237 #define SOMAXCONN       5
 238
 239 #ifndef MSG_DONTROUTE
 240 #define MSG_DONTROUTE   0x4             /* send without using routing tables */
 241 #endif
 242 #define MSG_MAXIOVLEN   16
 243
 244 /*
 245  * Define constant based on rfc883, used by gethostbyxxxx() calls.
 246  */
 247 #define MAXGETHOSTSTRUCT        1024
 248
 249 /*
 250  * Define flags to be used with the WSAAsyncSelect() call.
 251  */
 252 #define WS_FD_READ         0x0001
 253 #define WS_FD_WRITE        0x0002
 254 #define WS_FD_OOB          0x0004
 255 #define WS_FD_ACCEPT       0x0008
 256 #define WS_FD_CONNECT      0x0010
 257 #define WS_FD_CLOSE        0x0020
 258
 259 #define WS_FD_LISTENING    0x10000000   /* internal per-socket flags */
 260 #define WS_FD_INACTIVE     0x20000000
 261 #define WS_FD_CONNECTED    0x40000000
 262 #define WS_FD_RAW          0x80000000
 263 #define WS_FD_INTERNAL     0xFFFF0000
 264
 265 /*
 266  * All Windows Sockets error constants are biased by WSABASEERR from
 267  * the "normal"
 268  */
 269 #define WSABASEERR              10000
 270 /*
 271  * Windows Sockets definitions of regular Microsoft C error constants
 272  */
 273 #define WSAEINTR                (WSABASEERR+4)
 274 #define WSAEBADF                (WSABASEERR+9)
 275 #define WSAEACCES               (WSABASEERR+13)
 276 #define WSAEFAULT               (WSABASEERR+14)
 277 #define WSAEINVAL               (WSABASEERR+22)
 278 #define WSAEMFILE               (WSABASEERR+24)
 279
 280 /*
 281  * Windows Sockets definitions of regular Berkeley error constants
 282  */
 283 #define WSAEWOULDBLOCK          (WSABASEERR+35)
 284 #define WSAEINPROGRESS          (WSABASEERR+36)
 285 #define WSAEALREADY             (WSABASEERR+37)
 286 #define WSAENOTSOCK             (WSABASEERR+38)
 287 #define WSAEDESTADDRREQ         (WSABASEERR+39)
 288 #define WSAEMSGSIZE             (WSABASEERR+40)
 289 #define WSAEPROTOTYPE           (WSABASEERR+41)
 290 #define WSAENOPROTOOPT          (WSABASEERR+42)
 291 #define WSAEPROTONOSUPPORT      (WSABASEERR+43)
 292 #define WSAESOCKTNOSUPPORT      (WSABASEERR+44)
 293 #define WSAEOPNOTSUPP           (WSABASEERR+45)
 294 #define WSAEPFNOSUPPORT         (WSABASEERR+46)
 295 #define WSAEAFNOSUPPORT         (WSABASEERR+47)
 296 #define WSAEADDRINUSE           (WSABASEERR+48)
 297 #define WSAEADDRNOTAVAIL        (WSABASEERR+49)
 298 #define WSAENETDOWN             (WSABASEERR+50)
 299 #define WSAENETUNREACH          (WSABASEERR+51)
 300 #define WSAENETRESET            (WSABASEERR+52)
 301 #define WSAECONNABORTED         (WSABASEERR+53)
 302 #define WSAECONNRESET           (WSABASEERR+54)
 303 #define WSAENOBUFS              (WSABASEERR+55)
 304 #define WSAEISCONN              (WSABASEERR+56)
 305 #define WSAENOTCONN             (WSABASEERR+57)
 306 #define WSAESHUTDOWN            (WSABASEERR+58)
 307 #define WSAETOOMANYREFS         (WSABASEERR+59)
 308 #define WSAETIMEDOUT            (WSABASEERR+60)
 309 #define WSAECONNREFUSED         (WSABASEERR+61)
 310 #define WSAELOOP                (WSABASEERR+62)
 311 #define WSAENAMETOOLONG         (WSABASEERR+63)
 312 #define WSAEHOSTDOWN            (WSABASEERR+64)
 313 #define WSAEHOSTUNREACH         (WSABASEERR+65)
 314 #define WSAENOTEMPTY            (WSABASEERR+66)
 315 #define WSAEPROCLIM             (WSABASEERR+67)
 316 #define WSAEUSERS               (WSABASEERR+68)
 317 #define WSAEDQUOT               (WSABASEERR+69)
 318 #define WSAESTALE               (WSABASEERR+70)
 319 #define WSAEREMOTE              (WSABASEERR+71)
 320
 321 /*
 322  * Extended Windows Sockets error constant definitions
 323  */
 324 #define WSASYSNOTREADY          (WSABASEERR+91)
 325 #define WSAVERNOTSUPPORTED      (WSABASEERR+92)
 326 #define WSANOTINITIALISED       (WSABASEERR+93)
 327
 328 /*
 329  * Error return codes from gethostbyname() and gethostbyaddr()
 330  * (when using the resolver). Note that these errors are
 331  * retrieved via WSAGetLastError() and must therefore follow
 332  * the rules for avoiding clashes with error numbers from
 333  * specific implementations or language run-time systems.
 334  * For this reason the codes are based at WSABASEERR+1001.
 335  * Note also that [WSA]NO_ADDRESS is defined only for
 336  * compatibility purposes.
 337  */
 338
 339 /* #define h_errno         WSAGetLastError() */
 340
 341 /* Authoritative Answer: Host not found */
 342 #define WSAHOST_NOT_FOUND       (WSABASEERR+1001)
 343
 344 /* Non-Authoritative: Host not found, or SERVERFAIL */
 345 #define WSATRY_AGAIN            (WSABASEERR+1002)
 346
 347 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 348 #define WSANO_RECOVERY          (WSABASEERR+1003)
 349
 350 /* Valid name, no data record of requested type */
 351 #define WSANO_DATA              (WSABASEERR+1004)
 352
 353 /* no address, look for MX record */
 354 #define WSANO_ADDRESS           WSANO_DATA
 355
 356 /* Socket function prototypes */
 357
 358 #ifdef __cplusplus
 359 extern "C" {
 360 #endif
 361
 362 /* Microsoft Windows Extension function prototypes */
 363
 364 INT16     WINAPI WSAStartup16(UINT16 wVersionRequired, LPWSADATA lpWSAData);
 365 INT32     WINAPI WSAStartup32(UINT32 wVersionRequired, LPWSADATA lpWSAData);
 366 #define   WSAStartup WINELIB_NAME(WSAStartup);
 367 void      WINAPI WSASetLastError16(INT16 iError);
 368 void      WINAPI WSASetLastError32(INT32 iError);
 369 #define   WSASetLastError WINELIB_NAME(WSASetLastError);
 370 INT32     WINAPI WSACleanup(void);
 371 INT32     WINAPI WSAGetLastError(void);
 372 BOOL32    WINAPI WSAIsBlocking(void);
 373 INT32     WINAPI WSACancelBlockingCall(void);
 374 INT16     WINAPI WSAUnhookBlockingHook16(void);
 375 INT32     WINAPI WSAUnhookBlockingHook32(void);
 376 #define   WSAUnhookBlockingHook WINELIB_NAME(WSAUnhookBlockingHook)
 377 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc);
 378 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc);
 379 #define   WSASetBlockingHook WINELIB_NAME(WSASetBlockingHook)
 380
 381 HANDLE16  WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 wMsg, LPCSTR name, LPCSTR proto,
 382                                          SEGPTR buf, INT16 buflen);
 383 HANDLE32  WINAPI WSAAsyncGetServByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name, LPCSTR proto,
 384                                          LPSTR sbuf, INT32 buflen);
 385 #define   WSAAsyncGetServByName WINELIB_NAME(WSAAsyncGetServByName)
 386
 387 HANDLE16  WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 wMsg, INT16 port,
 388                                          LPCSTR proto, SEGPTR buf, INT16 buflen);
 389 HANDLE32  WINAPI WSAAsyncGetServByPort32(HWND32 hWnd, UINT32 uMsg, INT32 port,
 390                                          LPCSTR proto, LPSTR sbuf, INT32 buflen);
 391 #define   WSAAsyncGetServByPort WINELIB_NAME(WSAAsyncGetServByPort)
 392
 393 HANDLE16  WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 wMsg,
 394                                           LPCSTR name, SEGPTR buf, INT16 buflen);
 395 HANDLE32  WINAPI WSAAsyncGetProtoByName32(HWND32 hWnd, UINT32 uMsg,
 396                                           LPCSTR name, LPSTR sbuf, INT32 buflen);
 397 #define   WSAAsyncGetProtoByByName WINELIB_NAME(WSAAsyncGetProtoByByName)
 398
 399 HANDLE16  WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 wMsg,
 400                                             INT16 number, SEGPTR buf, INT16 buflen);
 401 HANDLE32  WINAPI WSAAsyncGetProtoByNumber32(HWND32 hWnd, UINT32 uMsg,
 402                                             INT32 number, LPSTR sbuf, INT32 buflen);
 403 #define   WSAAsyncGetProtoByNumber WINELIB_NAME(WSAAsyncGetProtoByNumber)
 404
 405 HANDLE16  WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 wMsg,
 406                                          LPCSTR name, SEGPTR buf, INT16 buflen);
 407 HANDLE32  WINAPI WSAAsyncGetHostByName32(HWND32 hWnd, UINT32 uMsg,
 408                                          LPCSTR name, LPSTR sbuf, INT32 buflen);
 409 #define   WSAAsyncGetHostByName WINELIB_NAME(WSAAsyncGetHostByName)
 410
 411 HANDLE16  WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 wMsg, LPCSTR addr,
 412                               INT16 len, INT16 type, SEGPTR buf, INT16 buflen);
 413 HANDLE32  WINAPI WSAAsyncGetHostByAddr32(HWND32 hWnd, UINT32 uMsg, LPCSTR addr,
 414                               INT32 len, INT32 type, LPSTR sbuf, INT32 buflen);
 415 #define   WSAAsyncGetHostByAddr WINELIB_NAME(WSAAsyncGetHostByAddr)
 416
 417 INT16     WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle);
 418 INT32     WINAPI WSACancelAsyncRequest32(HANDLE32 hAsyncTaskHandle);
 419 #define   WSACancelAsyncRequest WINELIB_NAME(WSACancelAsyncRequest)
 420
 421 INT16     WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT32 lEvent);
 422 INT32     WINAPI WSAAsyncSelect32(SOCKET32 s, HWND32 hWnd, UINT32 uMsg, UINT32 lEvent);
 423 #define   WSAAsyncSelect WINELIB_NAME(WSAAsyncSelect)
 424
 425
 426 #ifdef HAVE_LINUX_IPX_H
 427
 428 /*
 429  * socket domains
 430  */
 431 #define WS_AF_IPX       6
 432
 433 struct ws_sockaddr_ipx
 434 {
 435         INT16           sipx_family     __attribute__((packed));
 436         UINT32          sipx_network    __attribute__((packed));
 437         CHAR            sipx_node[6]    __attribute__((packed));
 438         UINT16          sipx_port       __attribute__((packed));
 439 };
 440 #endif
 441
 442 #ifdef __cplusplus
 443 }
 444 #endif
 445
 446 /* Microsoft Windows Extended data types */
 447 typedef struct sockaddr SOCKADDR, *PSOCKADDR, *LPSOCKADDR;
 448 typedef struct sockaddr_in SOCKADDR_IN, *PSOCKADDR_IN, *LPSOCKADDR_IN;
 449 typedef struct linger LINGER, *PLINGER, *LPLINGER;
 450 typedef struct in_addr IN_ADDR, *PIN_ADDR, *LPIN_ADDR;
 451 typedef struct fd_set FD_SET, *PFD_SET, *LPFD_SET;
 452 typedef struct hostent HOSTENT, *PHOSTENT, *LPHOSTENT;
 453 typedef struct servent SERVENT, *PSERVENT, *LPSERVENT;
 454 typedef struct protoent PROTOENT, *PPROTOENT, *LPPROTOENT;
 455 typedef struct timeval TIMEVAL, *PTIMEVAL, *LPTIMEVAL;
 456
 457 /*
 458  * Windows message parameter composition and decomposition
 459  * macros.
 460  *
 461  * WSAMAKEASYNCREPLY is intended for use by the Windows Sockets implementation
 462  * when constructing the response to a WSAAsyncGetXByY() routine.
 463  */
 464 #define WSAMAKEASYNCREPLY(buflen,error)     MAKELONG(buflen,error)
 465 /*
 466  * WSAMAKESELECTREPLY is intended for use by the Windows Sockets implementation
 467  * when constructing the response to WSAAsyncSelect().
 468  */
 469 #define WSAMAKESELECTREPLY(event,error)     MAKELONG(event,error)
 470 /*
 471  * WSAGETASYNCBUFLEN is intended for use by the Windows Sockets application
 472  * to extract the buffer length from the lParam in the response
 473  * to a WSAGetXByY().
 474  */
 475 #define WSAGETASYNCBUFLEN(lParam)           LOWORD(lParam)
 476 /*
 477  * WSAGETASYNCERROR is intended for use by the Windows Sockets application
 478  * to extract the error code from the lParam in the response
 479  * to a WSAGetXByY().
 480  */
 481 #define WSAGETASYNCERROR(lParam)            HIWORD(lParam)
 482 /*
 483  * WSAGETSELECTEVENT is intended for use by the Windows Sockets application
 484  * to extract the event code from the lParam in the response
 485  * to a WSAAsyncSelect().
 486  */
 487 #define WSAGETSELECTEVENT(lParam)           LOWORD(lParam)
 488 /*
 489  * WSAGETSELECTERROR is intended for use by the Windows Sockets application
 490  * to extract the error code from the lParam in the response
 491  * to a WSAAsyncSelect().
 492  */
 493 #define WSAGETSELECTERROR(lParam)           HIWORD(lParam)
 494
 495 /* ----------------------------------- internal structures */
 496
 497 /* ws_... struct conversion flags */
 498
 499 #define WS_DUP_LINEAR           0x0001
 500 #define WS_DUP_NATIVE           0x0000          /* not used anymore */
 501 #define WS_DUP_OFFSET           0x0002          /* internal pointers are offsets */
 502 #define WS_DUP_SEGPTR           0x0004          /* internal pointers are SEGPTRs */
 503                                                 /* by default, internal pointers are linear */
 504 /* async DNS op flags */
 505
 506 #define AOP_IO                  0x0000001       /* aop_control paramaters */
 507
 508 #define AOP_CONTROL_REMOVE      0x0000000       /* aop_control return values */
 509 #define AOP_CONTROL_KEEP        0x0000001
 510
 511 typedef struct  __aop
 512 {
 513   /* AOp header */
 514
 515   struct __aop *next, *prev;
 516   int           fd[2];                          /* pipe */
 517   int   (*aop_control)(struct __aop*, int);     /* SIGIO handler */
 518   pid_t         pid;                            /* child process pid */
 519
 520   /* custom data */
 521
 522   HWND32        hWnd;                           /* hWnd to post */
 523   UINT32        uMsg;                           /* uMsg message to. */
 524
 525   union
 526   {
 527     SEGPTR seg_base;
 528     LPSTR  lin_base;
 529     void*  ptr_base;
 530   }             b;                              /* buffer to copy result to */
 531
 532   UINT32        buflen;
 533   UINT32        flags;                          /* WSMSG_ASYNC_... */
 534 } ws_async_op;
 535
 536 #define WSMSG_ASYNC_HOSTBYNAME  0x0001
 537 #define WSMSG_ASYNC_HOSTBYADDR  0x0002
 538 #define WSMSG_ASYNC_PROTOBYNAME 0x0010
 539 #define WSMSG_ASYNC_PROTOBYNUM  0x0020
 540 #define WSMSG_ASYNC_SERVBYNAME  0x0100
 541 #define WSMSG_ASYNC_SERVBYPORT  0x0200
 542 #define WSMSG_ASYNC_RQMASK      0x0fff
 543
 544 #define WSMSG_WIN32_AOP         0x1000
 545 #define WSMSG_DEAD_AOP          0x8000
 546
 547 typedef struct __sop    /* WSAAsyncSelect() control struct */
 548 {
 549   struct __sop *next, *prev;
 550
 551   struct __ws*  pws;
 552   HWND32        hWnd;
 553   UINT32        uMsg;
 554 } ws_select_op;
 555
 556 typedef struct  __ws    /* socket */
 557 {
 558   int           fd;
 559   unsigned      flags;
 560   ws_select_op* psop;
 561 } ws_socket;
 562
 563 #define WS_MAX_SOCKETS_PER_PROCESS      16
 564 #define WS_MAX_UDP_DATAGRAM             1024
 565
 566 #define WSI_BLOCKINGCALL        0x00000001      /* per-thread info flags */
 567 #define WSI_BLOCKINGHOOK32      0x00000002      /* 32-bit callback */
 568
 569 typedef struct _WSINFO
 570 {
 571   struct _WSINFO*       prev,*next;
 572
 573   unsigned              flags;
 574   INT32                 err;                    /* WSAGetLastError() return value */
 575   INT16                 num_startup;            /* reference counter */
 576   INT16                 num_async_rq;
 577   INT16                 last_free;              /* entry in the socket table */
 578   UINT16                buflen;
 579   char*                 buffer;                 /* allocated from SEGPTR heap */
 580   struct ws_hostent     *he;
 581   int                   helen;
 582   struct ws_servent     *se;
 583   int                   selen;
 584   struct ws_protoent    *pe;
 585   int                   pelen;
 586   char*                 dbuffer;                /* buffer for dummies (32 bytes) */
 587
 588   ws_socket             sock[WS_MAX_SOCKETS_PER_PROCESS];
 589   DWORD                 blocking_hook;
 590   HTASK16               tid;                    /* owning task id - process might be better */
 591 } WSINFO, *LPWSINFO;
 592
 593 /* function prototypes */
 594 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag);
 595 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag);
 596 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag);
 597
 598 void WS_do_async_gethost(LPWSINFO, unsigned);
 599 void WS_do_async_getproto(LPWSINFO, unsigned);
 600 void WS_do_async_getserv(LPWSINFO, unsigned);
 601
 602 /* winsock_dns.c */
 603 extern HANDLE16 __WSAsyncDBQuery(LPWSINFO pwsi, HWND32 hWnd, UINT32 uMsg,
 604     INT32 type, LPCSTR init, INT32 len, LPCSTR proto, void* sbuf,
 605     INT32 buflen, UINT32 flag);
 606
 607 int WINSOCK_async_io(int fd, int async);
 608 int WINSOCK_unblock_io(int fd, int noblock);
 609
 610 int  WINSOCK_check_async_op(ws_async_op* p_aop);
 611 void WINSOCK_link_async_op(ws_async_op* p_aop);
 612 void WINSOCK_unlink_async_op(ws_async_op* p_aop);
 613 int  WINSOCK_cancel_async_op(ws_async_op* p_aop);
 614
 615 void WINSOCK_cancel_task_aops(HTASK16, void (*__memfree)(void*) );
 616
 617 BOOL32 WINSOCK_HandleIO(int* fd_max, int num_pending, fd_set pending_set[3], fd_set master_set[3] );
 618 void   WINSOCK_Shutdown(void);
 619 UINT16 wsaErrno(void);
 620 UINT16 wsaHerrno(void);
 621
 622 extern INT32 WINSOCK_DeleteTaskWSI( TDB* pTask, struct _WSINFO* );
 623
 624 #endif  /* _WINSOCKAPI_ */
 625