2 * Definitions for the client side of the Wine server communication
4 * Copyright (C) 1998 Alexandre Julliard
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __WINE_WINE_SERVER_H
22 #define __WINE_WINE_SERVER_H
29 #include <wine/exception.h>
30 #include <wine/server_protocol.h>
32 /* client communication functions */
40 #define __SERVER_MAX_DATA 5
42 struct __server_request_info
46 union generic_request req; /* request structure */
47 union generic_reply reply; /* reply structure */
49 unsigned int data_count; /* count of request data pointers */
50 void *reply_data; /* reply data pointer */
51 struct __server_iovec data[__SERVER_MAX_DATA]; /* request variable size data */
54 extern unsigned int wine_server_call( void *req_ptr );
55 extern void wine_server_send_fd( int fd );
56 extern int wine_server_fd_to_handle( int fd, unsigned int access, int inherit, obj_handle_t *handle );
57 extern int wine_server_handle_to_fd( obj_handle_t handle, unsigned int access, int *unix_fd,
58 enum fd_type *type, int *flags );
59 extern void wine_server_init_thread(void);
61 /* do a server call and set the last error code */
62 inline static unsigned int wine_server_call_err( void *req_ptr )
64 unsigned int res = wine_server_call( req_ptr );
65 if (res) SetLastError( RtlNtStatusToDosError(res) );
69 /* get the size of the variable part of the returned reply */
70 inline static size_t wine_server_reply_size( const void *reply )
72 return ((struct reply_header *)reply)->reply_size;
75 /* add some data to be sent along with the request */
76 inline static void wine_server_add_data( void *req_ptr, const void *ptr, unsigned int size )
78 struct __server_request_info * const req = req_ptr;
81 req->data[req->data_count].ptr = ptr;
82 req->data[req->data_count++].size = size;
83 req->u.req.request_header.request_size += size;
87 /* set the pointer and max size for the reply var data */
88 inline static void wine_server_set_reply( void *req_ptr, void *ptr, unsigned int max_size )
90 struct __server_request_info * const req = req_ptr;
91 req->reply_data = ptr;
92 req->u.req.request_header.reply_size = max_size;
96 /* macros for server requests */
98 #define SERVER_START_REQ(type) \
100 struct __server_request_info __req; \
101 struct type##_request * const req = &__req.u.req.type##_request; \
102 const struct type##_reply * const reply = &__req.u.reply.type##_reply; \
103 memset( &__req.u.req, 0, sizeof(__req.u.req) ); \
104 __req.u.req.request_header.req = REQ_##type; \
105 __req.data_count = 0; \
109 #define SERVER_END_REQ \
114 /* non-exported functions */
115 extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
116 extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
118 #endif /* __WINE_WINE_SERVER_H */