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