/* * 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 wine_server_send_fd( int fd ); extern int wine_server_fd_to_handle( int fd, unsigned int access, unsigned int attributes, obj_handle_t *handle ); extern int wine_server_handle_to_fd( obj_handle_t handle, unsigned int access, int *unix_fd, unsigned int *options ); extern void wine_server_release_fd( obj_handle_t 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; } /* 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 */