0f273c17ff
Make it an unsigned int to save some space on Win64, if we need to transfer more than 4Gb over the server pipe something is seriously wrong.
112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/*
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* Definitions for the client side of the Wine server communication
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*
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* Copyright (C) 1998 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_WINE_SERVER_H
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#define __WINE_WINE_SERVER_H
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#include <stdarg.h>
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#include <windef.h>
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#include <winbase.h>
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#include <winternl.h>
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#include <wine/server_protocol.h>
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/* client communication functions */
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struct __server_iovec
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{
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const void *ptr;
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data_size_t size;
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};
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#define __SERVER_MAX_DATA 5
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struct __server_request_info
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{
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union
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{
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union generic_request req; /* request structure */
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union generic_reply reply; /* reply structure */
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} u;
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unsigned int data_count; /* count of request data pointers */
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void *reply_data; /* reply data pointer */
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struct __server_iovec data[__SERVER_MAX_DATA]; /* request variable size data */
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};
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extern unsigned int wine_server_call( void *req_ptr );
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extern void wine_server_send_fd( int fd );
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extern int wine_server_fd_to_handle( int fd, unsigned int access, unsigned int attributes, obj_handle_t *handle );
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extern int wine_server_handle_to_fd( obj_handle_t handle, unsigned int access, int *unix_fd, int *flags );
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extern void wine_server_release_fd( obj_handle_t handle, int unix_fd );
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/* do a server call and set the last error code */
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inline static unsigned int wine_server_call_err( void *req_ptr )
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{
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unsigned int res = wine_server_call( req_ptr );
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if (res) SetLastError( RtlNtStatusToDosError(res) );
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return res;
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}
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/* get the size of the variable part of the returned reply */
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inline static data_size_t wine_server_reply_size( const void *reply )
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{
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return ((const struct reply_header *)reply)->reply_size;
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}
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/* add some data to be sent along with the request */
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inline static void wine_server_add_data( void *req_ptr, const void *ptr, data_size_t size )
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{
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struct __server_request_info * const req = req_ptr;
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if (size)
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{
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req->data[req->data_count].ptr = ptr;
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req->data[req->data_count++].size = size;
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req->u.req.request_header.request_size += size;
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}
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}
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/* set the pointer and max size for the reply var data */
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inline static void wine_server_set_reply( void *req_ptr, void *ptr, data_size_t max_size )
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{
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struct __server_request_info * const req = req_ptr;
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req->reply_data = ptr;
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req->u.req.request_header.reply_size = max_size;
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}
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/* macros for server requests */
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#define SERVER_START_REQ(type) \
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do { \
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struct __server_request_info __req; \
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struct type##_request * const req = &__req.u.req.type##_request; \
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const struct type##_reply * const reply = &__req.u.reply.type##_reply; \
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memset( &__req.u.req, 0, sizeof(__req.u.req) ); \
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__req.u.req.request_header.req = REQ_##type; \
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__req.data_count = 0; \
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(void)reply; \
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do
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#define SERVER_END_REQ \
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while(0); \
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} while(0)
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#endif /* __WINE_WINE_SERVER_H */
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