2 * Server-side socket management
4 * Copyright (C) 1999 Marcus Meissner, Ove Kåven
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 * FIXME: we use read|write access in all cases. Shouldn't we depend that
21 * on the access of the current handle?
33 #ifdef HAVE_SYS_ERRNO_H
34 # include <sys/errno.h>
37 #include <sys/types.h>
38 #ifdef HAVE_SYS_SOCKET_H
39 # include <sys/socket.h>
41 #ifdef HAVE_SYS_IOCTL_H
42 #include <sys/ioctl.h>
44 #ifdef HAVE_SYS_FILIO_H
45 # include <sys/filio.h>
51 #define WIN32_NO_STATUS
62 /* To avoid conflicts with the Unix socket headers. Plus we only need a few
70 struct object obj; /* object header */
71 struct fd *fd; /* socket file descriptor */
72 unsigned int state; /* status bits */
73 unsigned int mask; /* event mask */
74 unsigned int hmask; /* held (blocked) events */
75 unsigned int pmask; /* pending events */
76 unsigned int flags; /* socket flags */
77 int polling; /* is socket being polled? */
78 unsigned short type; /* socket type */
79 unsigned short family; /* socket family */
80 struct event *event; /* event object */
81 user_handle_t window; /* window to send the message to */
82 unsigned int message; /* message to send */
83 obj_handle_t wparam; /* message wparam (socket handle) */
84 int errors[FD_MAX_EVENTS]; /* event errors */
85 struct sock *deferred; /* socket that waits for a deferred accept */
86 struct async_queue *read_q; /* queue for asynchronous reads */
87 struct async_queue *write_q; /* queue for asynchronous writes */
90 static void sock_dump( struct object *obj, int verbose );
91 static int sock_signaled( struct object *obj, struct thread *thread );
92 static struct fd *sock_get_fd( struct object *obj );
93 static unsigned int sock_map_access( struct object *obj, unsigned int access );
94 static void sock_destroy( struct object *obj );
96 static int sock_get_poll_events( struct fd *fd );
97 static void sock_poll_event( struct fd *fd, int event );
98 static enum server_fd_type sock_get_fd_type( struct fd *fd );
99 static void sock_queue_async( struct fd *fd, const async_data_t *data, int type, int count );
100 static void sock_reselect_async( struct fd *fd, struct async_queue *queue );
101 static void sock_cancel_async( struct fd *fd );
103 static int sock_get_error( int err );
104 static void sock_set_error(void);
106 static const struct object_ops sock_ops =
108 sizeof(struct sock), /* size */
109 sock_dump, /* dump */
110 add_queue, /* add_queue */
111 remove_queue, /* remove_queue */
112 sock_signaled, /* signaled */
113 no_satisfied, /* satisfied */
114 no_signal, /* signal */
115 sock_get_fd, /* get_fd */
116 sock_map_access, /* map_access */
117 no_lookup_name, /* lookup_name */
118 no_open_file, /* open_file */
119 fd_close_handle, /* close_handle */
120 sock_destroy /* destroy */
123 static const struct fd_ops sock_fd_ops =
125 sock_get_poll_events, /* get_poll_events */
126 sock_poll_event, /* poll_event */
127 no_flush, /* flush */
128 sock_get_fd_type, /* get_file_info */
129 default_fd_ioctl, /* ioctl */
130 sock_queue_async, /* queue_async */
131 sock_reselect_async, /* reselect_async */
132 sock_cancel_async /* cancel_async */
136 /* Permutation of 0..FD_MAX_EVENTS - 1 representing the order in which
137 * we post messages if there are multiple events. Used to send
138 * messages. The problem is if there is both a FD_CONNECT event and,
139 * say, an FD_READ event available on the same socket, we want to
140 * notify the app of the connect event first. Otherwise it may
141 * discard the read event because it thinks it hasn't connected yet.
143 static const int event_bitorder[FD_MAX_EVENTS] =
151 6, 7, 8, 9 /* leftovers */
154 /* Flags that make sense only for SOCK_STREAM sockets */
155 #define STREAM_FLAG_MASK ((unsigned int) (FD_CONNECT | FD_ACCEPT | FD_WINE_LISTENING | FD_WINE_CONNECTED))
158 SOCK_SHUTDOWN_ERROR = -1,
159 SOCK_SHUTDOWN_EOF = 0,
160 SOCK_SHUTDOWN_POLLHUP = 1
163 static sock_shutdown_t sock_shutdown_type = SOCK_SHUTDOWN_ERROR;
165 static sock_shutdown_t sock_check_pollhup(void)
167 sock_shutdown_t ret = SOCK_SHUTDOWN_ERROR;
172 if ( socketpair( AF_UNIX, SOCK_STREAM, 0, fd ) ) goto out;
173 if ( shutdown( fd[0], 1 ) ) goto out;
179 n = poll( &pfd, 1, 0 );
180 if ( n != 1 ) goto out; /* error or timeout */
181 if ( pfd.revents & POLLHUP )
182 ret = SOCK_SHUTDOWN_POLLHUP;
183 else if ( pfd.revents & POLLIN &&
184 read( fd[1], &dummy, 1 ) == 0 )
185 ret = SOCK_SHUTDOWN_EOF;
195 sock_shutdown_type = sock_check_pollhup();
197 switch ( sock_shutdown_type )
199 case SOCK_SHUTDOWN_EOF:
200 if (debug_level) fprintf( stderr, "sock_init: shutdown() causes EOF\n" );
202 case SOCK_SHUTDOWN_POLLHUP:
203 if (debug_level) fprintf( stderr, "sock_init: shutdown() causes POLLHUP\n" );
206 fprintf( stderr, "sock_init: ERROR in sock_check_pollhup()\n" );
207 sock_shutdown_type = SOCK_SHUTDOWN_EOF;
211 static int sock_reselect( struct sock *sock )
213 int ev = sock_get_poll_events( sock->fd );
216 fprintf(stderr,"sock_reselect(%p): new mask %x\n", sock, ev);
218 if (!sock->polling) /* FIXME: should find a better way to do this */
220 /* previously unconnected socket, is this reselect supposed to connect it? */
221 if (!(sock->state & ~FD_WINE_NONBLOCKING)) return 0;
222 /* ok, it is, attach it to the wineserver's main poll loop */
225 /* update condition mask */
226 set_fd_events( sock->fd, ev );
230 /* After POLLHUP is received, the socket will no longer be in the main select loop.
231 This function is used to signal pending events nevertheless */
232 static void sock_try_event( struct sock *sock, int event )
234 event = check_fd_events( sock->fd, event );
237 if ( debug_level ) fprintf( stderr, "sock_try_event: %x\n", event );
238 sock_poll_event( sock->fd, event );
242 /* wake anybody waiting on the socket event or send the associated message */
243 static void sock_wake_up( struct sock *sock, int pollev )
245 unsigned int events = sock->pmask & sock->mask;
247 int async_active = 0;
249 if ( pollev & (POLLIN|POLLPRI) && async_waiting( sock->read_q ))
251 if (debug_level) fprintf( stderr, "activating read queue for socket %p\n", sock );
252 async_wake_up( sock->read_q, STATUS_ALERTED );
255 if ( pollev & POLLOUT && async_waiting( sock->write_q ))
257 if (debug_level) fprintf( stderr, "activating write queue for socket %p\n", sock );
258 async_wake_up( sock->write_q, STATUS_ALERTED );
262 /* Do not signal events if there are still pending asynchronous IO requests */
263 /* We need this to delay FD_CLOSE events until all pending overlapped requests are processed */
264 if ( !events || async_active ) return;
268 if (debug_level) fprintf(stderr, "signalling events %x ptr %p\n", events, sock->event );
269 set_event( sock->event );
273 if (debug_level) fprintf(stderr, "signalling events %x win %p\n", events, sock->window );
274 for (i = 0; i < FD_MAX_EVENTS; i++)
276 int event = event_bitorder[i];
277 if (sock->pmask & (1 << event))
279 unsigned int lparam = (1 << event) | (sock->errors[event] << 16);
280 post_message( sock->window, sock->message, (unsigned long)sock->wparam, lparam );
284 sock_reselect( sock );
288 static inline int sock_error( struct fd *fd )
290 unsigned int optval = 0, optlen;
292 optlen = sizeof(optval);
293 getsockopt( get_unix_fd(fd), SOL_SOCKET, SO_ERROR, (void *) &optval, &optlen);
294 return optval ? sock_get_error(optval) : 0;
297 static void sock_poll_event( struct fd *fd, int event )
299 struct sock *sock = get_fd_user( fd );
302 assert( sock->obj.ops == &sock_ops );
304 fprintf(stderr, "socket %p select event: %x\n", sock, event);
305 if (sock->state & FD_CONNECT)
310 /* we got connected */
311 sock->state |= FD_WINE_CONNECTED|FD_READ|FD_WRITE;
312 sock->state &= ~FD_CONNECT;
313 sock->pmask |= FD_CONNECT;
314 sock->errors[FD_CONNECT_BIT] = 0;
316 fprintf(stderr, "socket %p connection success\n", sock);
318 else if (event & (POLLERR|POLLHUP))
320 /* we didn't get connected? */
321 sock->state &= ~FD_CONNECT;
322 sock->pmask |= FD_CONNECT;
323 sock->errors[FD_CONNECT_BIT] = sock_error( fd );
325 fprintf(stderr, "socket %p connection failure\n", sock);
328 else if (sock->state & FD_WINE_LISTENING)
333 /* incoming connection */
334 sock->pmask |= FD_ACCEPT;
335 sock->errors[FD_ACCEPT_BIT] = 0;
336 sock->hmask |= FD_ACCEPT;
338 else if (event & (POLLERR|POLLHUP))
340 /* failed incoming connection? */
341 sock->pmask |= FD_ACCEPT;
342 sock->errors[FD_ACCEPT_BIT] = sock_error( fd );
343 sock->hmask |= FD_ACCEPT;
348 /* normal data flow */
349 if ( sock->type == SOCK_STREAM && ( event & POLLIN ) )
354 /* Linux 2.4 doesn't report POLLHUP if only one side of the socket
355 * has been closed, so we need to check for it explicitly here */
356 nr = recv( get_unix_fd( fd ), &dummy, 1, MSG_PEEK );
360 sock->pmask |= FD_READ;
361 sock->hmask |= (FD_READ|FD_CLOSE);
362 sock->errors[FD_READ_BIT] = 0;
364 fprintf(stderr, "socket %p is readable\n", sock );
370 /* EAGAIN can happen if an async recv() falls between the server's poll()
371 call and the invocation of this routine */
372 if ( errno == EAGAIN )
377 fprintf( stderr, "recv error on socket %p: %d\n", sock, errno );
383 else if ( sock_shutdown_type == SOCK_SHUTDOWN_POLLHUP && (event & POLLHUP) )
387 else if ( event & POLLIN ) /* POLLIN for non-stream socket */
389 sock->pmask |= FD_READ;
390 sock->hmask |= (FD_READ|FD_CLOSE);
391 sock->errors[FD_READ_BIT] = 0;
393 fprintf(stderr, "socket %p is readable\n", sock );
399 sock->pmask |= FD_WRITE;
400 sock->hmask |= FD_WRITE;
401 sock->errors[FD_WRITE_BIT] = 0;
403 fprintf(stderr, "socket %p is writable\n", sock);
407 sock->pmask |= FD_OOB;
408 sock->hmask |= FD_OOB;
409 sock->errors[FD_OOB_BIT] = 0;
411 fprintf(stderr, "socket %p got OOB data\n", sock);
413 /* According to WS2 specs, FD_CLOSE is only delivered when there is
414 no more data to be read (i.e. hangup_seen = 1) */
415 else if ( hangup_seen && (sock->state & (FD_READ|FD_WRITE) ))
417 sock->errors[FD_CLOSE_BIT] = sock_error( fd );
418 if ( (event & POLLERR) || ( sock_shutdown_type == SOCK_SHUTDOWN_EOF && (event & POLLHUP) ))
419 sock->state &= ~FD_WRITE;
420 sock->pmask |= FD_CLOSE;
421 sock->hmask |= FD_CLOSE;
423 fprintf(stderr, "socket %p aborted by error %d, event: %x - removing from select loop\n",
424 sock, sock->errors[FD_CLOSE_BIT], event);
428 if ( sock->pmask & FD_CLOSE || event & (POLLERR|POLLHUP) )
431 fprintf( stderr, "removing socket %p from select loop\n", sock );
432 set_fd_events( sock->fd, -1 );
435 sock_reselect( sock );
437 /* wake up anyone waiting for whatever just happened */
438 if ( sock->pmask & sock->mask || sock->flags & WSA_FLAG_OVERLAPPED ) sock_wake_up( sock, event );
440 /* if anyone is stupid enough to wait on the socket object itself,
441 * maybe we should wake them up too, just in case? */
442 wake_up( &sock->obj, 0 );
445 static void sock_dump( struct object *obj, int verbose )
447 struct sock *sock = (struct sock *)obj;
448 assert( obj->ops == &sock_ops );
449 printf( "Socket fd=%p, state=%x, mask=%x, pending=%x, held=%x\n",
450 sock->fd, sock->state,
451 sock->mask, sock->pmask, sock->hmask );
454 static int sock_signaled( struct object *obj, struct thread *thread )
456 struct sock *sock = (struct sock *)obj;
457 assert( obj->ops == &sock_ops );
459 return check_fd_events( sock->fd, sock_get_poll_events( sock->fd ) ) != 0;
462 static unsigned int sock_map_access( struct object *obj, unsigned int access )
464 if (access & GENERIC_READ) access |= FILE_GENERIC_READ;
465 if (access & GENERIC_WRITE) access |= FILE_GENERIC_WRITE;
466 if (access & GENERIC_EXECUTE) access |= FILE_GENERIC_EXECUTE;
467 if (access & GENERIC_ALL) access |= FILE_ALL_ACCESS;
468 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
471 static int sock_get_poll_events( struct fd *fd )
473 struct sock *sock = get_fd_user( fd );
474 unsigned int mask = sock->mask & sock->state & ~sock->hmask;
477 assert( sock->obj.ops == &sock_ops );
479 if (sock->state & FD_CONNECT)
480 /* connecting, wait for writable */
482 if (sock->state & FD_WINE_LISTENING)
483 /* listening, wait for readable */
484 return (sock->hmask & FD_ACCEPT) ? 0 : POLLIN;
486 if (mask & FD_READ || async_waiting( sock->read_q )) ev |= POLLIN | POLLPRI;
487 if (mask & FD_WRITE || async_waiting( sock->write_q )) ev |= POLLOUT;
488 /* We use POLLIN with 0 bytes recv() as FD_CLOSE indication for stream sockets. */
489 if ( sock->type == SOCK_STREAM && ( sock->mask & ~sock->hmask & FD_CLOSE) )
495 static enum server_fd_type sock_get_fd_type( struct fd *fd )
497 return FD_TYPE_SOCKET;
500 static void sock_queue_async( struct fd *fd, const async_data_t *data, int type, int count )
502 struct sock *sock = get_fd_user( fd );
503 struct async_queue *queue;
506 assert( sock->obj.ops == &sock_ops );
510 case ASYNC_TYPE_READ:
511 if (!sock->read_q && !(sock->read_q = create_async_queue( sock->fd ))) return;
512 queue = sock->read_q;
513 sock->hmask &= ~FD_CLOSE;
515 case ASYNC_TYPE_WRITE:
516 if (!sock->write_q && !(sock->write_q = create_async_queue( sock->fd ))) return;
517 queue = sock->write_q;
520 set_error( STATUS_INVALID_PARAMETER );
524 if ( ( !( sock->state & FD_READ ) && type == ASYNC_TYPE_READ ) ||
525 ( !( sock->state & FD_WRITE ) && type == ASYNC_TYPE_WRITE ) )
527 set_error( STATUS_PIPE_DISCONNECTED );
532 if (!(async = create_async( current, queue, data ))) return;
533 release_object( async );
534 set_error( STATUS_PENDING );
537 pollev = sock_reselect( sock );
538 if ( pollev ) sock_try_event( sock, pollev );
541 static void sock_reselect_async( struct fd *fd, struct async_queue *queue )
543 struct sock *sock = get_fd_user( fd );
544 int events = sock_reselect( sock );
545 if (events) sock_try_event( sock, events );
548 static void sock_cancel_async( struct fd *fd )
550 struct sock *sock = get_fd_user( fd );
551 assert( sock->obj.ops == &sock_ops );
553 async_wake_up( sock->read_q, STATUS_CANCELLED );
554 async_wake_up( sock->write_q, STATUS_CANCELLED );
557 static struct fd *sock_get_fd( struct object *obj )
559 struct sock *sock = (struct sock *)obj;
560 return (struct fd *)grab_object( sock->fd );
563 static void sock_destroy( struct object *obj )
565 struct sock *sock = (struct sock *)obj;
566 assert( obj->ops == &sock_ops );
568 /* FIXME: special socket shutdown stuff? */
570 if ( sock->deferred )
571 release_object( sock->deferred );
573 free_async_queue( sock->read_q );
574 free_async_queue( sock->write_q );
575 if (sock->event) release_object( sock->event );
578 /* shut the socket down to force pending poll() calls in the client to return */
579 shutdown( get_unix_fd(sock->fd), SHUT_RDWR );
580 release_object( sock->fd );
584 /* create a new and unconnected socket */
585 static struct object *create_socket( int family, int type, int protocol, unsigned int flags )
590 sockfd = socket( family, type, protocol );
592 fprintf(stderr,"socket(%d,%d,%d)=%d\n",family,type,protocol,sockfd);
598 fcntl(sockfd, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
599 if (!(sock = alloc_object( &sock_ops )))
604 sock->state = (type != SOCK_STREAM) ? (FD_READ|FD_WRITE) : 0;
611 sock->family = family;
616 sock->deferred = NULL;
618 sock->write_q = NULL;
619 if (!(sock->fd = create_anonymous_fd( &sock_fd_ops, sockfd, &sock->obj,
620 (flags & WSA_FLAG_OVERLAPPED) ? 0 : FILE_SYNCHRONOUS_IO_NONALERT )))
622 release_object( sock );
625 sock_reselect( sock );
630 /* accept a socket (creates a new fd) */
631 static struct sock *accept_socket( obj_handle_t handle )
633 struct sock *acceptsock;
636 struct sockaddr saddr;
638 sock = (struct sock *)get_handle_obj( current->process, handle, FILE_READ_DATA, &sock_ops );
642 if ( sock->deferred )
644 acceptsock = sock->deferred;
645 sock->deferred = NULL;
650 /* Try to accept(2). We can't be safe that this an already connected socket
651 * or that accept() is allowed on it. In those cases we will get -1/errno
654 unsigned int slen = sizeof(saddr);
655 acceptfd = accept( get_unix_fd(sock->fd), &saddr, &slen);
659 release_object( sock );
662 if (!(acceptsock = alloc_object( &sock_ops )))
665 release_object( sock );
669 /* newly created socket gets the same properties of the listening socket */
670 fcntl(acceptfd, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
671 acceptsock->state = FD_WINE_CONNECTED|FD_READ|FD_WRITE;
672 if (sock->state & FD_WINE_NONBLOCKING)
673 acceptsock->state |= FD_WINE_NONBLOCKING;
674 acceptsock->mask = sock->mask;
675 acceptsock->hmask = 0;
676 acceptsock->pmask = 0;
677 acceptsock->polling = 0;
678 acceptsock->type = sock->type;
679 acceptsock->family = sock->family;
680 acceptsock->event = NULL;
681 acceptsock->window = sock->window;
682 acceptsock->message = sock->message;
683 acceptsock->wparam = 0;
684 if (sock->event) acceptsock->event = (struct event *)grab_object( sock->event );
685 acceptsock->flags = sock->flags;
686 acceptsock->deferred = NULL;
687 acceptsock->read_q = NULL;
688 acceptsock->write_q = NULL;
689 if (!(acceptsock->fd = create_anonymous_fd( &sock_fd_ops, acceptfd, &acceptsock->obj,
690 get_fd_options( sock->fd ) )))
692 release_object( acceptsock );
693 release_object( sock );
698 sock->pmask &= ~FD_ACCEPT;
699 sock->hmask &= ~FD_ACCEPT;
700 sock_reselect( sock );
701 release_object( sock );
705 /* set the last error depending on errno */
706 static int sock_get_error( int err )
710 case EINTR: return WSAEINTR;
711 case EBADF: return WSAEBADF;
713 case EACCES: return WSAEACCES;
714 case EFAULT: return WSAEFAULT;
715 case EINVAL: return WSAEINVAL;
716 case EMFILE: return WSAEMFILE;
717 case EWOULDBLOCK: return WSAEWOULDBLOCK;
718 case EINPROGRESS: return WSAEINPROGRESS;
719 case EALREADY: return WSAEALREADY;
720 case ENOTSOCK: return WSAENOTSOCK;
721 case EDESTADDRREQ: return WSAEDESTADDRREQ;
722 case EMSGSIZE: return WSAEMSGSIZE;
723 case EPROTOTYPE: return WSAEPROTOTYPE;
724 case ENOPROTOOPT: return WSAENOPROTOOPT;
725 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
726 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
727 case EOPNOTSUPP: return WSAEOPNOTSUPP;
728 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
729 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
730 case EADDRINUSE: return WSAEADDRINUSE;
731 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
732 case ENETDOWN: return WSAENETDOWN;
733 case ENETUNREACH: return WSAENETUNREACH;
734 case ENETRESET: return WSAENETRESET;
735 case ECONNABORTED: return WSAECONNABORTED;
737 case ECONNRESET: return WSAECONNRESET;
738 case ENOBUFS: return WSAENOBUFS;
739 case EISCONN: return WSAEISCONN;
740 case ENOTCONN: return WSAENOTCONN;
741 case ESHUTDOWN: return WSAESHUTDOWN;
742 case ETOOMANYREFS: return WSAETOOMANYREFS;
743 case ETIMEDOUT: return WSAETIMEDOUT;
744 case ECONNREFUSED: return WSAECONNREFUSED;
745 case ELOOP: return WSAELOOP;
746 case ENAMETOOLONG: return WSAENAMETOOLONG;
747 case EHOSTDOWN: return WSAEHOSTDOWN;
748 case EHOSTUNREACH: return WSAEHOSTUNREACH;
749 case ENOTEMPTY: return WSAENOTEMPTY;
751 case EPROCLIM: return WSAEPROCLIM;
754 case EUSERS: return WSAEUSERS;
757 case EDQUOT: return WSAEDQUOT;
760 case ESTALE: return WSAESTALE;
763 case EREMOTE: return WSAEREMOTE;
765 default: errno=err; perror("sock_set_error"); return WSAEFAULT;
769 /* set the last error depending on errno */
770 static void sock_set_error(void)
772 set_error( sock_get_error( errno ) );
775 /* create a socket */
776 DECL_HANDLER(create_socket)
781 if ((obj = create_socket( req->family, req->type, req->protocol, req->flags )) != NULL)
783 reply->handle = alloc_handle( current->process, obj, req->access, req->attributes );
784 release_object( obj );
788 /* accept a socket */
789 DECL_HANDLER(accept_socket)
794 if ((sock = accept_socket( req->lhandle )) != NULL)
796 reply->handle = alloc_handle( current->process, &sock->obj, req->access, req->attributes );
797 sock->wparam = reply->handle; /* wparam for message is the socket handle */
798 sock_reselect( sock );
799 release_object( &sock->obj );
803 /* set socket event parameters */
804 DECL_HANDLER(set_socket_event)
807 struct event *old_event;
810 if (!(sock = (struct sock *)get_handle_obj( current->process, req->handle,
811 FILE_WRITE_ATTRIBUTES, &sock_ops))) return;
812 old_event = sock->event;
813 sock->mask = req->mask;
814 sock->hmask &= ~req->mask; /* re-enable held events */
816 sock->window = req->window;
817 sock->message = req->msg;
818 sock->wparam = req->handle; /* wparam is the socket handle */
819 if (req->event) sock->event = get_event_obj( current->process, req->event, EVENT_MODIFY_STATE );
821 if (debug_level && sock->event) fprintf(stderr, "event ptr: %p\n", sock->event);
823 pollev = sock_reselect( sock );
824 if ( pollev ) sock_try_event( sock, pollev );
827 sock->state |= FD_WINE_NONBLOCKING;
829 /* if a network event is pending, signal the event object
830 it is possible that FD_CONNECT or FD_ACCEPT network events has happened
831 before a WSAEventSelect() was done on it.
832 (when dealing with Asynchronous socket) */
833 if (sock->pmask & sock->mask) sock_wake_up( sock, pollev );
835 if (old_event) release_object( old_event ); /* we're through with it */
836 release_object( &sock->obj );
839 /* get socket event parameters */
840 DECL_HANDLER(get_socket_event)
844 sock = (struct sock *)get_handle_obj( current->process, req->handle, FILE_READ_ATTRIBUTES, &sock_ops );
850 set_error( WSAENOTSOCK );
853 reply->mask = sock->mask;
854 reply->pmask = sock->pmask;
855 reply->state = sock->state;
856 set_reply_data( sock->errors, min( get_reply_max_size(), sizeof(sock->errors) ));
862 struct event *cevent = get_event_obj( current->process, req->c_event,
863 EVENT_MODIFY_STATE );
866 reset_event( cevent );
867 release_object( cevent );
871 sock_reselect( sock );
873 release_object( &sock->obj );
876 /* re-enable pending socket events */
877 DECL_HANDLER(enable_socket_event)
882 if (!(sock = (struct sock*)get_handle_obj( current->process, req->handle,
883 FILE_WRITE_ATTRIBUTES, &sock_ops)))
886 sock->pmask &= ~req->mask; /* is this safe? */
887 sock->hmask &= ~req->mask;
888 if ( req->mask & FD_READ )
889 sock->hmask &= ~FD_CLOSE;
890 sock->state |= req->sstate;
891 sock->state &= ~req->cstate;
892 if ( sock->type != SOCK_STREAM ) sock->state &= ~STREAM_FLAG_MASK;
894 pollev = sock_reselect( sock );
895 if ( pollev ) sock_try_event( sock, pollev );
897 release_object( &sock->obj );
900 DECL_HANDLER(set_socket_deferred)
902 struct sock *sock, *acceptsock;
904 sock=(struct sock *)get_handle_obj( current->process, req->handle, FILE_WRITE_ATTRIBUTES, &sock_ops );
907 set_error( WSAENOTSOCK );
910 acceptsock = (struct sock *)get_handle_obj( current->process, req->deferred, 0, &sock_ops );
913 release_object( sock );
914 set_error( WSAENOTSOCK );
917 sock->deferred = acceptsock;
918 release_object( sock );