| /* |
| * Definitions for the client side of the Wine server communication |
| * |
| * Copyright (C) 1998 Alexandre Julliard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #ifndef __WINE_WINE_SERVER_H |
| #define __WINE_WINE_SERVER_H |
| |
| #include <stdarg.h> |
| #include <windef.h> |
| #include <winbase.h> |
| #include <winternl.h> |
| #include <wine/server_protocol.h> |
| |
| /* client communication functions */ |
| |
| struct __server_iovec |
| { |
| const void *ptr; |
| data_size_t size; |
| }; |
| |
| #define __SERVER_MAX_DATA 5 |
| |
| struct __server_request_info |
| { |
| union |
| { |
| union generic_request req; /* request structure */ |
| union generic_reply reply; /* reply structure */ |
| } u; |
| unsigned int data_count; /* count of request data pointers */ |
| void *reply_data; /* reply data pointer */ |
| struct __server_iovec data[__SERVER_MAX_DATA]; /* request variable size data */ |
| }; |
| |
| extern unsigned int wine_server_call( void *req_ptr ); |
| extern void CDECL wine_server_send_fd( int fd ); |
| extern int CDECL wine_server_fd_to_handle( int fd, unsigned int access, unsigned int attributes, HANDLE *handle ); |
| extern int CDECL wine_server_handle_to_fd( HANDLE handle, unsigned int access, int *unix_fd, unsigned int *options ); |
| extern void CDECL wine_server_release_fd( HANDLE handle, int unix_fd ); |
| |
| /* do a server call and set the last error code */ |
| static inline unsigned int wine_server_call_err( void *req_ptr ) |
| { |
| unsigned int res = wine_server_call( req_ptr ); |
| if (res) SetLastError( RtlNtStatusToDosError(res) ); |
| return res; |
| } |
| |
| /* get the size of the variable part of the returned reply */ |
| static inline data_size_t wine_server_reply_size( const void *reply ) |
| { |
| return ((const struct reply_header *)reply)->reply_size; |
| } |
| |
| /* add some data to be sent along with the request */ |
| static inline void wine_server_add_data( void *req_ptr, const void *ptr, data_size_t size ) |
| { |
| struct __server_request_info * const req = req_ptr; |
| if (size) |
| { |
| req->data[req->data_count].ptr = ptr; |
| req->data[req->data_count++].size = size; |
| req->u.req.request_header.request_size += size; |
| } |
| } |
| |
| /* set the pointer and max size for the reply var data */ |
| static inline void wine_server_set_reply( void *req_ptr, void *ptr, data_size_t max_size ) |
| { |
| struct __server_request_info * const req = req_ptr; |
| req->reply_data = ptr; |
| req->u.req.request_header.reply_size = max_size; |
| } |
| |
| /* convert an object handle to a server handle */ |
| static inline obj_handle_t wine_server_obj_handle( HANDLE handle ) |
| { |
| if ((int)(INT_PTR)handle != (INT_PTR)handle) return 0xfffffff0; /* some invalid handle */ |
| return (INT_PTR)handle; |
| } |
| |
| /* convert a user handle to a server handle */ |
| static inline user_handle_t wine_server_user_handle( HANDLE handle ) |
| { |
| return (UINT_PTR)handle; |
| } |
| |
| /* convert a server handle to a generic handle */ |
| static inline HANDLE wine_server_ptr_handle( obj_handle_t handle ) |
| { |
| return (HANDLE)(INT_PTR)(int)handle; |
| } |
| |
| /* convert a client pointer to a server client_ptr_t */ |
| static inline client_ptr_t wine_server_client_ptr( const void *ptr ) |
| { |
| return (client_ptr_t)(ULONG_PTR)ptr; |
| } |
| |
| /* convert a server client_ptr_t to a real pointer */ |
| static inline void *wine_server_get_ptr( client_ptr_t ptr ) |
| { |
| return (void *)(ULONG_PTR)ptr; |
| } |
| |
| |
| /* macros for server requests */ |
| |
| #define SERVER_START_REQ(type) \ |
| do { \ |
| struct __server_request_info __req; \ |
| struct type##_request * const req = &__req.u.req.type##_request; \ |
| const struct type##_reply * const reply = &__req.u.reply.type##_reply; \ |
| memset( &__req.u.req, 0, sizeof(__req.u.req) ); \ |
| __req.u.req.request_header.req = REQ_##type; \ |
| __req.data_count = 0; \ |
| (void)reply; \ |
| do |
| |
| #define SERVER_END_REQ \ |
| while(0); \ |
| } while(0) |
| |
| |
| #endif /* __WINE_WINE_SERVER_H */ |