source: trunk/src/wsock32/asyncapi.cpp@ 5087

Last change on this file since 5087 was 3557, checked in by sandervl, 25 years ago

don't always call so_cancel
File size: 20.5 KB
Line 
1/* $Id: asyncapi.cpp,v 1.8 2000-05-18 22:54:20 sandervl Exp $ */
2
3/*
4 *
5 * Win32 SOCK32 for OS/2 (Async apis)
6 *
7 * Copyright (C) 2000 Sander van Leeuwen (sandervl@xs4all.nl)
8 *
9 * Parts based on Wine code: (dlls\winsock\async.c)
10 * (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
11 * (C) 1999 Marcus Meissner
12 *
13 * Project Odin Software License can be found in LICENSE.TXT
14 *
15 */
16#define INCL_BASE
17#include <os2wrap.h>
18#include <stdio.h>
19#include <stdlib.h>
20#include <string.h>
21#include <odin.h>
22#include <odinwrap.h>
23#include <os2sel.h>
24#include <misc.h>
25#include <win32api.h>
26#include "wsock32.h"
27#include "asyncthread.h"
28#include "wsastruct.h"
29
30#define DBG_LOCALLOG DBG_async
31#include "dbglocal.h"
32
33//kso: dirty fix to make this compile! not permanent!
34BOOL WINAPI QueryPerformanceCounter(LARGE_INTEGER *p);
35#define LowPart u.LowPart
36
37
38ODINDEBUGCHANNEL(WSOCK32-ASYNC)
39
40//******************************************************************************
41//NOTE: Must execute RemoveFromQueue before returning
42//******************************************************************************
43void ASYNCCNV WSAsyncThreadProc(void *pparm)
44{
45 PASYNCTHREADPARM pThreadParm = (PASYNCTHREADPARM)pparm;
46 LPARAM lParam;
47 int size = 0;
48 int fail = NO_ERROR;
49
50 if(!pThreadParm->fCancelled)
51 {
52 switch(pThreadParm->request)
53 {
54 case ASYNC_GETHOSTBYNAME:
55 case ASYNC_GETHOSTBYADDR:
56 {
57 struct hostent *ret;
58
59 if(pThreadParm->request == ASYNC_GETHOSTBYNAME) {
60 ret = gethostbyname(pThreadParm->u.gethostbyname.name);
61
62 free(pThreadParm->u.gethostbyname.name);
63 pThreadParm->u.gethostbyname.name = 0;
64 }
65 else {
66 ret = gethostbyaddr(pThreadParm->u.gethostbyaddr.addr,
67 pThreadParm->u.gethostbyaddr.len,
68 pThreadParm->u.gethostbyaddr.type);
69
70 free(pThreadParm->u.gethostbyaddr.addr);
71 pThreadParm->u.gethostbyaddr.addr = 0;
72 }
73 if (ret != NULL) {
74 size = WS_copy_he((struct ws_hostent *)pThreadParm->buf,
75 pThreadParm->buf,
76 pThreadParm->buflen,
77 ret);
78 if(size < 0) {
79 fail = WSAENOBUFS;
80 size = -size;
81 }
82 }
83 else fail = wsaHerrno();
84 break;
85 }
86
87 case ASYNC_GETPROTOBYNAME:
88 case ASYNC_GETPROTOBYNUMBER:
89 {
90 struct protoent *ret;
91
92 if(pThreadParm->request == ASYNC_GETPROTOBYNAME) {
93 ret = getprotobyname(pThreadParm->u.getprotobyname.name);
94
95 free(pThreadParm->u.getprotobyname.name);
96 pThreadParm->u.getprotobyname.name = 0;
97 }
98 else ret = getprotobynumber(pThreadParm->u.getprotobynumber.number);
99
100 if (ret != NULL) {
101 size = WS_copy_pe((struct ws_protoent *)pThreadParm->buf,
102 pThreadParm->buf,
103 pThreadParm->buflen,
104 ret);
105 if(size < 0) {
106 fail = WSAENOBUFS;
107 size = -size;
108 }
109 }
110 else fail = WSANO_DATA;
111
112 break;
113 }
114
115 case ASYNC_GETSERVBYNAME:
116 case ASYNC_GETSERVBYPORT:
117 {
118 struct servent *ret;
119
120 if(pThreadParm->request == ASYNC_GETSERVBYNAME) {
121 ret = getservbyname(pThreadParm->u.getservbyname.name, pThreadParm->u.getservbyname.proto);
122
123 free(pThreadParm->u.getservbyname.name);
124 pThreadParm->u.getservbyname.name = 0;
125
126 if(pThreadParm->u.getservbyname.proto) {
127 free(pThreadParm->u.getservbyname.proto);
128 pThreadParm->u.getservbyname.proto = 0;
129 }
130
131 }
132 else {
133 ret = getservbyport(pThreadParm->u.getservbyport.port, pThreadParm->u.getservbyport.proto);
134 if(pThreadParm->u.getservbyport.proto) {
135 free(pThreadParm->u.getservbyport.proto);
136 pThreadParm->u.getservbyport.proto = 0;
137 }
138 }
139
140 if (ret != NULL) {
141 size = WS_copy_se((struct ws_servent *)pThreadParm->buf,
142 pThreadParm->buf,
143 pThreadParm->buflen,
144 ret);
145 if(size < 0) {
146 fail = WSAENOBUFS;
147 size = -size;
148 }
149 }
150 else fail = WSANO_DATA;
151 break;
152 }
153 }
154 }
155 lParam = (fail << 16) | size;
156
157 if(!pThreadParm->fCancelled) {
158 dprintf(("WSAsyncThreadProc %x %x %x %x", pThreadParm->hwnd, pThreadParm->msg, pThreadParm->hAsyncTaskHandle, lParam));
159 PostMessageA(pThreadParm->hwnd, pThreadParm->msg,
160 (WPARAM)pThreadParm->hAsyncTaskHandle, lParam);
161 }
162 pThreadParm->fActive = FALSE;
163 RemoveFromQueue(pThreadParm);
164}
165//******************************************************************************
166//******************************************************************************
167LHANDLE WSAAsyncRequest(AsyncRequestType requesttype, HWND hwnd, int msg, char *buf,
168 int buflen, PVOID param1, PVOID param2, PVOID param3,
169 PVOID param4)
170{
171 PASYNCTHREADPARM pThreadParm;
172 LHANDLE hAsyncRequest = 0;
173 LPSTR tempname = 0;
174 LPSTR tempproto = 0;
175 LPSTR tempaddr = 0;
176
177 if(!fWSAInitialized)
178 {
179 WSASetLastError(WSANOTINITIALISED);
180 }
181 else
182 if(WSAIsBlocking())
183 {
184 WSASetLastError(WSAEINPROGRESS); // blocking call in progress
185 }
186 else
187 if(!IsWindow(hwnd))
188 {
189 WSASetLastError(WSAEINVAL); // invalid parameter
190 }
191 else
192 if(buf == NULL || buflen == 0) {
193 WSASetLastError(WSAENOBUFS); // invalid parameter
194 }
195 else
196 {
197 pThreadParm = (PASYNCTHREADPARM)malloc(sizeof(ASYNCTHREADPARM));
198 if(pThreadParm == NULL) {
199 dprintf(("WSAAsyncRequest: malloc failure!"));
200 DebugInt3();
201 WSASetLastError(WSAEFAULT);
202 return 0;
203 }
204 memset(pThreadParm, 0, sizeof(*pThreadParm));
205 pThreadParm->request= requesttype;
206 pThreadParm->hwnd = hwnd;
207 pThreadParm->msg = msg;
208 pThreadParm->buf = buf;
209 pThreadParm->buflen = buflen;
210
211 switch(requesttype) {
212 case ASYNC_GETHOSTBYNAME:
213 tempname = (LPSTR)malloc(strlen((char *)param1)+1);
214 if(tempname == NULL)
215 {
216 dprintf(("WSAAsyncGetHostByName: malloc failure!"));
217 DebugInt3();
218 WSASetLastError(WSAEFAULT);
219 return 0;
220 }
221 pThreadParm->u.gethostbyname.name = tempname;
222 strcpy(pThreadParm->u.gethostbyname.name, (char *)param1);
223 break;
224
225 case ASYNC_GETHOSTBYADDR:
226 tempaddr = (LPSTR)malloc(strlen((char *)param1)+1);
227 if(tempaddr == NULL)
228 {
229 dprintf(("WSAAsyncGetHostByAddr: malloc failure!"));
230 DebugInt3();
231 WSASetLastError(WSAEFAULT);
232 return 0;
233 }
234
235 pThreadParm->u.gethostbyaddr.len = (int)param2;
236 pThreadParm->u.gethostbyaddr.type = (int)param3;
237 pThreadParm->u.gethostbyaddr.addr = tempaddr;
238 strcpy(pThreadParm->u.gethostbyaddr.addr, (char *)param1);
239 break;
240
241 case ASYNC_GETPROTOBYNAME:
242 tempname = (LPSTR)malloc(strlen((char *)param1)+1);
243 if(tempname == NULL)
244 {
245 dprintf(("WSAAsyncGetProtoByName: malloc failure!"));
246 DebugInt3();
247 WSASetLastError(WSAEFAULT);
248 return 0;
249 }
250 pThreadParm->u.getprotobyname.name = tempname;
251 strcpy(pThreadParm->u.getprotobyname.name, (char *)param1);
252 break;
253
254 case ASYNC_GETPROTOBYNUMBER:
255 pThreadParm->u.getprotobynumber.number = (int)param1;
256 break;
257
258 case ASYNC_GETSERVBYNAME:
259 tempname = (LPSTR)malloc(strlen((char *)param1)+1);
260 tempproto = NULL;
261 if(param2) {
262 tempproto = (LPSTR)malloc(strlen((char *)param2)+1);
263 }
264 if(tempname == NULL || (param2 && !tempproto))
265 {
266 dprintf(("WSAAsyncGetServByName: malloc failure!"));
267 DebugInt3();
268 WSASetLastError(WSAEFAULT);
269 return 0;
270 }
271 pThreadParm->u.getservbyname.name = tempname;
272 strcpy(pThreadParm->u.getservbyname.name, (char *)param1);
273 pThreadParm->u.getservbyname.proto = tempproto;
274 if(param2)
275 strcpy(pThreadParm->u.getservbyname.proto, (char *)param2);
276 break;
277
278 case ASYNC_GETSERVBYPORT:
279 if(param2) {
280 tempproto = (LPSTR)malloc(strlen((char *)param2)+1);
281 }
282 if(param2 && !tempproto)
283 {
284 dprintf(("WSAAsyncGetServByPort: malloc failure!"));
285 DebugInt3();
286 WSASetLastError(WSAEFAULT);
287 return 0;
288 }
289 pThreadParm->u.getservbyport.port = (int)param1;
290 pThreadParm->u.getservbyport.proto = tempproto;
291 if(param2)
292 strcpy(pThreadParm->u.getservbyport.proto, (char *)param2);
293 break;
294 }
295 hAsyncRequest = (LHANDLE)QueueAsyncJob(WSAsyncThreadProc, pThreadParm);
296 if(hAsyncRequest == 0) {
297 free(pThreadParm);
298 if(tempname) free(tempname);
299 if(tempaddr) free(tempaddr);
300 if(tempproto) free(tempproto);
301
302 dprintf(("WSAAsyncRequest: QueueAsyncJob failure!"));
303 DebugInt3();
304 WSASetLastError(WSAEFAULT);
305 return 0;
306 }
307 return hAsyncRequest;
308 }
309 return 0;
310}
311//******************************************************************************
312//******************************************************************************
313ODINFUNCTION5(LHANDLE,WSAAsyncGetHostByName,
314 HWND,hWnd,
315 u_int,wMsg,
316 const char *,name,
317 char *,buf,
318 int,buflen)
319{
320 dprintf(("WSAAsyncGetHostByName %s", name));
321
322 return WSAAsyncRequest(ASYNC_GETHOSTBYNAME, hWnd, wMsg, buf, buflen,
323 (PVOID)name, 0, 0, 0);
324}
325//******************************************************************************
326//******************************************************************************
327ODINFUNCTION7(LHANDLE,WSAAsyncGetHostByAddr,
328 HWND,hWnd,
329 u_int,wMsg,
330 const char *,addr,
331 int,len,
332 int,type,
333 char *,buf,
334 int,buflen)
335{
336 dprintf(("WSAAsyncGetHostByAddr %s", addr));
337
338 return WSAAsyncRequest(ASYNC_GETHOSTBYADDR, hWnd, wMsg, buf, buflen,
339 (PVOID)addr, (PVOID)len, (PVOID)type, 0);
340}
341//******************************************************************************
342//******************************************************************************
343ODINFUNCTION5(LHANDLE,WSAAsyncGetProtoByName,
344 HWND,hWnd,
345 u_int,wMsg,
346 const char *,name,
347 char *,buf,
348 int,buflen)
349{
350 dprintf(("WSAAsyncGetProtoByName %s", name));
351
352 return WSAAsyncRequest(ASYNC_GETPROTOBYNAME, hWnd, wMsg, buf, buflen,
353 (PVOID)name, 0, 0, 0);
354}
355//******************************************************************************
356//******************************************************************************
357ODINFUNCTION5(LHANDLE,WSAAsyncGetProtoByNumber,
358 HWND,hWnd,
359 u_int,wMsg,
360 int,number,
361 char *,buf,
362 int,buflen)
363{
364 dprintf(("WSAAsyncGetProtoByNumber %d", number));
365
366 return WSAAsyncRequest(ASYNC_GETPROTOBYNUMBER, hWnd, wMsg, buf, buflen,
367 (PVOID)number, 0, 0, 0);
368}
369//******************************************************************************
370//******************************************************************************
371ODINFUNCTION6(LHANDLE,WSAAsyncGetServByName,
372 HWND,hWnd,
373 u_int,wMsg,
374 const char *,name,
375 const char *,proto,
376 char *,buf,
377 int,buflen)
378{
379 dprintf(("WSAAsyncGetServByName %s", name));
380
381 return WSAAsyncRequest(ASYNC_GETSERVBYNAME, hWnd, wMsg, buf, buflen,
382 (PVOID)name, (PVOID)proto, 0, 0);
383}
384//******************************************************************************
385//******************************************************************************
386ODINFUNCTION6(LHANDLE,WSAAsyncGetServByPort,
387 HWND,hWnd,
388 u_int,wMsg,
389 int,port,
390 const char *,proto,
391 char *,buf,
392 int,buflen)
393{
394 dprintf(("WSAAsyncGetServByPort %d %s", port, proto));
395
396 return WSAAsyncRequest(ASYNC_GETSERVBYPORT, hWnd, wMsg, buf, buflen,
397 (PVOID)port, (PVOID)proto, 0, 0);
398}
399//******************************************************************************
400//******************************************************************************
401void AsyncNotifyEvent(PASYNCTHREADPARM pThreadParm, ULONG event, ULONG socket_error)
402{
403 pThreadParm->u.asyncselect.lEventsPending &= ~event;
404
405 event = WSAMAKESELECTREPLY(event, socket_error);
406
407 dprintf(("AsyncNotifyEvent %x %x %x %x", pThreadParm->u.asyncselect.s, pThreadParm->hwnd, pThreadParm->msg, event));
408 PostMessageA(pThreadParm->hwnd, pThreadParm->msg, (WPARAM)pThreadParm->u.asyncselect.s,
409 (LPARAM)event);
410}
411//******************************************************************************
412#define nr(i) ((i != -1) ? 1 : 0)
413#define ready(i) ((i != -1) && (sockets[i] != -1))
414//NOTE: Must execute RemoveFromQueue before returning
415//******************************************************************************
416void ASYNCCNV WSAsyncSelectThreadProc(void *pparm)
417{
418 PASYNCTHREADPARM pThreadParm = (PASYNCTHREADPARM)pparm;
419 SOCKET sockets[3];
420 SOCKET s = pThreadParm->u.asyncselect.s;
421 int noread, nowrite, noexcept, state, sockoptlen, sockoptval;
422 int tmp, i, lEventsPending, ret, bytesread;
423
424 while(TRUE)
425 {
426asyncloopstart:
427 i = 0;
428 noread = nowrite = noexcept = -1;
429
430 //break if user cancelled request
431 if(pThreadParm->u.asyncselect.lEvents == 0) {
432 break;
433 }
434
435 lEventsPending = pThreadParm->u.asyncselect.lEventsPending;
436 //block if no events are pending
437 if(lEventsPending == 0)
438 {
439 //wait for events to be enabled
440 pThreadParm->u.asyncselect.asyncSem->wait();
441 //reset event semaphore
442 pThreadParm->u.asyncselect.asyncSem->reset();
443 continue;
444 }
445
446 if(lEventsPending & (FD_READ | FD_CLOSE | FD_ACCEPT)) {
447 noread = i++;
448 sockets[noread] = s;
449 }
450 if((lEventsPending & FD_CONNECT) ||
451 ((lEventsPending & FD_WRITE) &&
452 (!(ioctl(s, FIOBSTATUS, (char *)&tmp, sizeof(tmp)) & SS_CANTSENDMORE))))
453 {
454 nowrite = i++;
455 sockets[nowrite] = s;
456 }
457 if(lEventsPending & FD_OOB) {
458 noexcept = i++;
459 sockets[noexcept] = s;
460 }
461
462//// dprintf(("WSAsyncSelectThreadProc %x rds=%d, wrs=%d, oos =%d, pending = %x", pThreadParm->u.asyncselect.s, noread, nowrite, noexcept, lEventsPending));
463
464 pThreadParm->fWaitSelect = TRUE;
465 ret = select((int *)sockets, nr(noread), nr(nowrite), nr(noexcept), -1);
466 pThreadParm->fWaitSelect = FALSE;
467 if(ret == SOCKET_ERROR) {
468 int selecterr = sock_errno();
469//// dprintf(("WSAsyncSelectThreadProc %x rds=%d, wrs=%d, oos =%d, pending = %x select returned %x", pThreadParm->u.asyncselect.s, noread, nowrite, noexcept, lEventsPending, selecterr));
470 if(selecterr && selecterr < SOCBASEERR) {
471 selecterr += SOCBASEERR;
472 }
473 switch(selecterr)
474 {
475 case SOCEINTR:
476//// state = ioctl(s, FIOBSTATUS, (char *)&tmp, sizeof(tmp));
477//// dprintf(("SOCEINTR; state = %x", state));
478 goto asyncloopstart; //so_cancel was called
479
480 case SOCECONNRESET:
481 case SOCEPIPE:
482 if(lEventsPending & FD_CLOSE) {
483 dprintf(("FD_CLOSE; broken connection"));
484 AsyncNotifyEvent(pThreadParm, FD_CLOSE, WSAECONNRESET);
485 }
486
487 //remote connection broken (so can't receive data anymore)
488 //but can still send
489 pThreadParm->u.asyncselect.lEventsPending &= ~(FD_READ | FD_ACCEPT);
490 goto asyncloopstart;
491
492 case SOCEINVAL:
493 if(lEventsPending & FD_CLOSE) {
494 dprintf(("FD_CLOSE; SOCEINVAL"));
495 AsyncNotifyEvent(pThreadParm, FD_CLOSE, selecterr);
496 }
497 break;
498 default:
499 dprintf(("WSAsyncSelectThreadProc: select SOCKET_ERROR %x", selecterr));
500 break; //something bad happened
501 }
502 break;
503 }
504
505 if(ready(nowrite))
506 {
507 state = ioctl(s, FIOBSTATUS, (char *)&tmp, sizeof(tmp));
508
509 if(lEventsPending & FD_CONNECT) {
510 if(state & SS_ISCONNECTED) {
511 AsyncNotifyEvent(pThreadParm, FD_CONNECT, NO_ERROR);
512 }
513 else {
514 sockoptlen = sizeof(int);
515
516 ret = getsockopt(s, SOL_SOCKET, SO_ERROR,
517 (char *) &sockoptval, &sockoptlen);
518 //SvL: WSeB returns SOCECONNREFUSED, Warp 4 0x3d
519 if(sockoptval == SOCECONNREFUSED || sockoptval == (SOCECONNREFUSED - SOCBASEERR)) {
520 AsyncNotifyEvent(pThreadParm, FD_CONNECT, WSAECONNREFUSED);
521 }
522 }
523 }
524 else
525 if(!(state & SS_CANTSENDMORE) && (lEventsPending & FD_WRITE)) {
526 AsyncNotifyEvent(pThreadParm, FD_WRITE, NO_ERROR);
527 }
528 }
529
530 if(ready(noread))
531 {
532 state = ioctl(s, FIONREAD, (CHAR *) &bytesread, sizeof(bytesread));
533 if(state == SOCKET_ERROR)
534 {
535 if(lEventsPending & FD_CLOSE)
536 {
537 dprintf(("FD_CLOSE; ioctl; socket error"));
538 AsyncNotifyEvent(pThreadParm, FD_CLOSE, NO_ERROR);
539 //remote connection broken (so can't receive data anymore)
540 //but can still send
541 pThreadParm->u.asyncselect.lEventsPending &= ~(FD_READ | FD_ACCEPT);
542 continue;
543 }
544 else {
545 dprintf(("WSAsyncSelectThreadProc: ioctl SOCKET_ERROR!"));
546 break; //todo: correct???
547 }
548 }
549 if(lEventsPending & FD_ACCEPT)
550 {
551 sockoptlen = sizeof(sockoptlen);
552
553 ret = getsockopt(s, SOL_SOCKET, SO_OPTIONS,
554 (char *) &sockoptval, &sockoptlen);
555 if(ret == SOCKET_ERROR) {
556 dprintf(("WSAsyncSelectThreadProc: getsockopt SOCKET_ERROR!"));
557 break;
558 }
559 if((sockoptval & SO_ACCEPTCONN) == SO_ACCEPTCONN) {
560 AsyncNotifyEvent(pThreadParm, FD_ACCEPT, NO_ERROR);
561 }
562 }
563 if((lEventsPending & FD_READ) && bytesread > 0) {
564 AsyncNotifyEvent(pThreadParm, FD_READ, NO_ERROR);
565 }
566#if 0
567//SvL: This generates FD_CLOSE messages when the connection is just fine
568// (recv executed in another thread when select returns)
569 else
570 if((lEventsPending & FD_CLOSE) && (state == 0 && bytesread == 0)) {
571 dprintf(("FD_CLOSE; state == 0 && bytesread == 0"));
572 AsyncNotifyEvent(pThreadParm, FD_CLOSE, NO_ERROR);
573 }
574#endif
575 }
576 if(ready(noexcept))
577 {
578 if(lEventsPending & FD_OOB) {
579 AsyncNotifyEvent(pThreadParm, FD_OOB, NO_ERROR);
580 }
581 }
582 if((pThreadParm->u.asyncselect.lEventsPending & (FD_ACCEPT|FD_CLOSE|FD_CONNECT)) ==
583 (lEventsPending & (FD_ACCEPT|FD_CLOSE|FD_CONNECT))) {
584 DosSleep(10);
585 }
586 }
587 //remove it first, then delete semaphore object
588 pThreadParm->fActive = FALSE;
589 RemoveFromQueue(pThreadParm);
590 delete pThreadParm->u.asyncselect.asyncSem;
591 pThreadParm->u.asyncselect.asyncSem = 0;
592}
593//******************************************************************************
594//******************************************************************************
595ODINFUNCTION4(int,WSAAsyncSelect,
596 SOCKET,s,
597 HWND,hWnd,
598 u_int,wMsg,
599 long,lEvent)
600{
601 PASYNCTHREADPARM pThreadParm;
602 int nonblock = 1;
603 int ret;
604
605 if(!fWSAInitialized)
606 {
607 WSASetLastError(WSANOTINITIALISED);
608 return SOCKET_ERROR;
609 }
610 else
611 if(WSAIsBlocking())
612 {
613 WSASetLastError(WSAEINPROGRESS); // blocking call in progress
614 return SOCKET_ERROR;
615 }
616 else
617 if(hWnd && !IsWindow(hWnd))
618 {
619 WSASetLastError(WSAEINVAL); // invalid parameter
620 return SOCKET_ERROR;
621 }
622 //Set socket to non-blocking mode
623 ret = ioctl(s, FIONBIO, (char *) &nonblock, sizeof(nonblock));
624 if(ret == SOCKET_ERROR) {
625 WSASetLastError(wsaErrno());
626 return SOCKET_ERROR;
627 }
628 if(FindAndSetAsyncEvent(s, hWnd, wMsg, lEvent) == TRUE) {
629 //found and changed active async event
630 WSASetLastError(NO_ERROR);
631 return NO_ERROR;
632 }
633 pThreadParm = (PASYNCTHREADPARM)malloc(sizeof(ASYNCTHREADPARM));
634 if(pThreadParm == NULL) {
635 dprintf(("WSAAsyncSelect: malloc failure!"));
636 DebugInt3();
637 WSASetLastError(WSAEFAULT);
638 return SOCKET_ERROR;
639 }
640 memset(pThreadParm, 0, sizeof(*pThreadParm));
641 pThreadParm->request= ASYNC_SELECT;
642 pThreadParm->hwnd = hWnd;
643 pThreadParm->msg = wMsg;
644 pThreadParm->u.asyncselect.lEvents = lEvent;
645 pThreadParm->u.asyncselect.lEventsPending = lEvent;
646 pThreadParm->u.asyncselect.s = s;
647 pThreadParm->u.asyncselect.asyncSem = new VSemaphore;
648 if(pThreadParm->u.asyncselect.asyncSem == NULL) {
649 dprintf(("WSAAsyncSelect: VSemaphore alloc failure!"));
650 DebugInt3();
651 WSASetLastError(WSAEFAULT);
652 return SOCKET_ERROR;
653 }
654 if(QueueAsyncJob(WSAsyncSelectThreadProc, pThreadParm) == 0) {
655 delete pThreadParm->u.asyncselect.asyncSem;
656 free(pThreadParm);
657 dprintf(("WSAAsyncSelect: QueueAsyncJob failure!"));
658 DebugInt3();
659 WSASetLastError(WSAEFAULT);
660 return SOCKET_ERROR;
661 }
662 WSASetLastError(NO_ERROR);
663 return NO_ERROR;
664}
665//******************************************************************************
666//******************************************************************************
Note: See TracBrowser for help on using the repository browser.