Sweden-Number/include/wine/server.h

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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
#ifndef __WINE_WINE_SERVER_H
#define __WINE_WINE_SERVER_H
#include "thread.h"
#include "wine/exception.h"
#include "wine/server_protocol.h"
/* client communication functions */
struct __server_iovec
{
const void *ptr;
unsigned int size;
};
#define __SERVER_MAX_DATA 5
struct __server_request_info
{
union
{
union generic_request req; /* request structure */
union generic_reply reply; /* reply structure */
} u;
size_t size; /* size of request structure */
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 );
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extern void wine_server_send_fd( int fd );
extern int wine_server_fd_to_handle( int fd, unsigned int access, int inherit, obj_handle_t *handle );
extern int wine_server_handle_to_fd( obj_handle_t handle, unsigned int access, int *unix_fd,
enum fd_type *type, int *flags );
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/* do a server call and set the last error code */
inline static unsigned int wine_server_call_err( void *req_ptr )
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{
unsigned int res = wine_server_call( req_ptr );
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if (res) SetLastError( RtlNtStatusToDosError(res) );
return res;
}
/* get the size of the variable part of the returned reply */
inline static size_t wine_server_reply_size( const void *reply )
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{
return ((struct reply_header *)reply)->reply_size;
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}
/* add some data to be sent along with the request */
inline static void wine_server_add_data( void *req_ptr, const void *ptr, unsigned int size )
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{
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;
}
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}
/* set the pointer and max size for the reply var data */
inline static void wine_server_set_reply( void *req_ptr, void *ptr, unsigned int max_size )
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{
struct __server_request_info * const req = req_ptr;
req->reply_data = ptr;
req->u.req.request_header.reply_size = max_size;
}
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/* 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; \
__req.u.req.request_header.req = REQ_##type; \
__req.u.req.request_header.request_size = 0; \
__req.u.req.request_header.reply_size = 0; \
__req.size = sizeof(*req); \
__req.data_count = 0; \
(void)reply; \
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do
#define SERVER_END_REQ \
while(0); \
} while(0)
/* non-exported functions */
extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
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extern void CLIENT_InitServer(void);
extern void CLIENT_InitThread(void);
extern void CLIENT_BootDone( int debug_level );
extern int CLIENT_IsBootThread(void);
#endif /* __WINE_WINE_SERVER_H */