/* accept a socket (creates a new fd) */
static struct sock *accept_socket( obj_handle_t handle )
{
struct sock *acceptsock;
struct sock *sock;
int acceptfd;
sock = (struct sock *)get_handle_obj( current->process, handle, FILE_READ_DATA, &sock_ops );
if (!sock)
return NULL;
if ( sock->deferred )
{
acceptsock = sock->deferred;
sock->deferred = NULL;
}
else
{
if ((acceptfd = accept_new_fd( sock )) == -1)
{
release_object( sock );
return NULL;
}
if (!(acceptsock = alloc_object( &sock_ops )))
{
close( acceptfd );
release_object( sock );
return NULL;
}
init_sock( acceptsock );
/* newly created socket gets the same properties of the listening socket */
acceptsock->state = FD_WINE_CONNECTED|FD_READ|FD_WRITE;
if (sock->state & FD_WINE_NONBLOCKING)
acceptsock->state |= FD_WINE_NONBLOCKING;
acceptsock->mask = sock->mask;
acceptsock->proto = sock->proto;
acceptsock->type = sock->type;
acceptsock->family = sock->family;
acceptsock->window = sock->window;
acceptsock->message = sock->message;
if (sock->event) acceptsock->event = (struct event *)grab_object( sock->event );
acceptsock->flags = sock->flags;
if (!(acceptsock->fd = create_anonymous_fd( &sock_fd_ops, acceptfd, &acceptsock->obj,
get_fd_options( sock->fd ) )))
{
release_object( acceptsock );
release_object( sock );
return NULL;
}
}
clear_error();
sock->pmask &= ~FD_ACCEPT;
sock->hmask &= ~FD_ACCEPT;
sock_reselect( sock );
release_object( sock );
return acceptsock;
}
static int accept_into_socket( struct sock *sock, struct sock *acceptsock )
{
int acceptfd;
struct fd *newfd;
if ( sock->deferred )
{
newfd = dup_fd_object( sock->deferred->fd, 0, 0,
get_fd_options( acceptsock->fd ) );
if ( !newfd )
return FALSE;
set_fd_user( newfd, &sock_fd_ops, &acceptsock->obj );
release_object( sock->deferred );
sock->deferred = NULL;
}
else
{
if ((acceptfd = accept_new_fd( sock )) == -1)
return FALSE;
if (!(newfd = create_anonymous_fd( &sock_fd_ops, acceptfd, &acceptsock->obj,
get_fd_options( acceptsock->fd ) )))
return FALSE;
}
acceptsock->state |= FD_WINE_CONNECTED|FD_READ|FD_WRITE;
acceptsock->hmask = 0;
acceptsock->pmask = 0;
acceptsock->polling = 0;
acceptsock->type = sock->type;
acceptsock->family = sock->family;
acceptsock->wparam = 0;
acceptsock->deferred = NULL;
release_object( acceptsock->fd );
acceptsock->fd = newfd;
clear_error();
sock->pmask &= ~FD_ACCEPT;
sock->hmask &= ~FD_ACCEPT;
sock_reselect( sock );
return TRUE;
}
static inline int is_overlapped( const struct file *file )
{
return !(get_fd_options( file->fd ) & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));
}
/* accept a socket (creates a new fd) */
static struct sock *accept_socket( obj_handle_t handle )
{
struct sock *acceptsock;
struct sock *sock;
int acceptfd;
struct sockaddr saddr;
sock = (struct sock *)get_handle_obj( current->process, handle, FILE_READ_DATA, &sock_ops );
if (!sock)
return NULL;
if ( sock->deferred )
{
acceptsock = sock->deferred;
sock->deferred = NULL;
}
else
{
/* Try to accept(2). We can't be safe that this an already connected socket
* or that accept() is allowed on it. In those cases we will get -1/errno
* return.
*/
unsigned int slen = sizeof(saddr);
acceptfd = accept( get_unix_fd(sock->fd), &saddr, &slen);
if (acceptfd==-1)
{
sock_set_error();
release_object( sock );
return NULL;
}
if (!(acceptsock = alloc_object( &sock_ops )))
{
close( acceptfd );
release_object( sock );
return NULL;
}
/* newly created socket gets the same properties of the listening socket */
fcntl(acceptfd, F_SETFL, O_NONBLOCK); /* make socket nonblocking */
acceptsock->state = FD_WINE_CONNECTED|FD_READ|FD_WRITE;
if (sock->state & FD_WINE_NONBLOCKING)
acceptsock->state |= FD_WINE_NONBLOCKING;
acceptsock->mask = sock->mask;
acceptsock->hmask = 0;
acceptsock->pmask = 0;
acceptsock->polling = 0;
acceptsock->type = sock->type;
acceptsock->family = sock->family;
acceptsock->event = NULL;
acceptsock->window = sock->window;
acceptsock->message = sock->message;
acceptsock->wparam = 0;
if (sock->event) acceptsock->event = (struct event *)grab_object( sock->event );
acceptsock->flags = sock->flags;
acceptsock->deferred = NULL;
acceptsock->read_q = NULL;
acceptsock->write_q = NULL;
memset( acceptsock->errors, 0, sizeof(acceptsock->errors) );
if (!(acceptsock->fd = create_anonymous_fd( &sock_fd_ops, acceptfd, &acceptsock->obj,
get_fd_options( sock->fd ) )))
{
release_object( acceptsock );
release_object( sock );
return NULL;
}
}
clear_error();
sock->pmask &= ~FD_ACCEPT;
sock->hmask &= ~FD_ACCEPT;
sock_reselect( sock );
release_object( sock );
return acceptsock;
}
