2 * Definitions for the client side of the Wine server communication
4 * Copyright (C) 1998 Alexandre Julliard
7 #ifndef __WINE_WINE_SERVER_H
8 #define __WINE_WINE_SERVER_H
12 #include "wine/exception.h"
13 #include "wine/server_protocol.h"
15 /* client communication functions */
17 extern unsigned int wine_server_call( union generic_request *req, size_t size );
18 extern void server_protocol_error( const char *err, ... ) WINE_NORETURN;
19 extern void server_protocol_perror( const char *err ) WINE_NORETURN;
20 extern void wine_server_alloc_req( union generic_request *req, size_t size );
21 extern void wine_server_send_fd( int fd );
22 extern int wine_server_recv_fd( handle_t handle );
23 extern const char *get_config_dir(void);
25 /* do a server call and set the last error code */
26 inline static unsigned int __server_call_err( union generic_request *req, size_t size )
28 unsigned int res = wine_server_call( req, size );
29 if (res) SetLastError( RtlNtStatusToDosError(res) );
33 /* get a pointer to the variable part of the request */
34 inline static void *server_data_ptr( const void *req )
36 return (char *)NtCurrentTeb()->buffer + ((struct request_header *)req)->var_offset;
39 /* get the size of the variable part of the request */
40 inline static size_t server_data_size( const void *req )
42 return ((struct request_header *)req)->var_size;
46 /* exception support for server calls */
48 extern DWORD __wine_server_exception_handler( PEXCEPTION_RECORD record, EXCEPTION_FRAME *frame,
49 CONTEXT *context, EXCEPTION_FRAME **pdispatcher );
51 struct __server_exception_frame
53 EXCEPTION_FRAME frame;
54 unsigned int buffer_pos; /* saved buffer position */
58 /* macros for server requests */
60 #define SERVER_START_REQ(type) \
62 union generic_request __req; \
63 struct type##_request * const req = &__req.type; \
64 __req.header.req = REQ_##type; \
65 __req.header.var_size = 0; \
68 #define SERVER_END_REQ \
72 #define SERVER_START_VAR_REQ(type,size) \
74 struct __server_exception_frame __f; \
75 union generic_request __req; \
76 struct type##_request * const req = &__req.type; \
77 __f.frame.Handler = __wine_server_exception_handler; \
78 __f.buffer_pos = NtCurrentTeb()->buffer_pos; \
79 __wine_push_frame( &__f.frame ); \
80 __req.header.req = REQ_##type; \
81 wine_server_alloc_req( &__req, (size) ); \
84 #define SERVER_END_VAR_REQ \
86 NtCurrentTeb()->buffer_pos = __f.buffer_pos; \
87 __wine_pop_frame( &__f.frame ); \
90 #define SERVER_CALL() (wine_server_call( &__req, sizeof(*req) ))
91 #define SERVER_CALL_ERR() (__server_call_err( &__req, sizeof(*req) ))
94 extern void CLIENT_InitServer(void);
95 extern void CLIENT_InitThread(void);
96 extern void CLIENT_BootDone( int debug_level );
97 extern int CLIENT_IsBootThread(void);
99 #endif /* __WINE_WINE_SERVER_H */