mirror of
https://github.com/reactos/wine.git
synced 2024-11-26 13:10:28 +00:00
ebe29ef376
- merged request and reply structures - build requests directly into the buffer to avoid a copy
117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
/*
|
|
* Server-side request handling
|
|
*
|
|
* Copyright (C) 1998 Alexandre Julliard
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <signal.h>
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <unistd.h>
|
|
|
|
#include "winerror.h"
|
|
#include "winnt.h"
|
|
#include "winbase.h"
|
|
#include "wincon.h"
|
|
#include "thread.h"
|
|
#include "server.h"
|
|
#define WANT_REQUEST_HANDLERS
|
|
#include "request.h"
|
|
|
|
struct thread *current = NULL; /* thread handling the current request */
|
|
|
|
/* complain about a protocol error and terminate the client connection */
|
|
void fatal_protocol_error( struct thread *thread, const char *err, ... )
|
|
{
|
|
va_list args;
|
|
|
|
va_start( args, err );
|
|
fprintf( stderr, "Protocol error:%p: ", thread );
|
|
vfprintf( stderr, err, args );
|
|
va_end( args );
|
|
remove_client( thread->client, PROTOCOL_ERROR );
|
|
}
|
|
|
|
/* call a request handler */
|
|
void call_req_handler( struct thread *thread, enum request req, int fd )
|
|
{
|
|
current = thread;
|
|
clear_error();
|
|
|
|
if (debug_level) trace_request( req, fd );
|
|
|
|
if (req < REQ_NB_REQUESTS)
|
|
{
|
|
req_handlers[req].handler( current->buffer, fd );
|
|
if (current && current->state != SLEEPING) send_reply( current );
|
|
current = NULL;
|
|
return;
|
|
}
|
|
fatal_protocol_error( current, "bad request %d\n", req );
|
|
}
|
|
|
|
/* handle a client timeout */
|
|
void call_timeout_handler( void *thread )
|
|
{
|
|
current = (struct thread *)thread;
|
|
if (debug_level) trace_timeout();
|
|
clear_error();
|
|
thread_timeout();
|
|
current = NULL;
|
|
}
|
|
|
|
/* a thread has been killed */
|
|
void call_kill_handler( struct thread *thread, int exit_code )
|
|
{
|
|
/* must be reentrant WRT call_req_handler */
|
|
struct thread *old_current = current;
|
|
current = thread;
|
|
if (current)
|
|
{
|
|
if (debug_level) trace_kill( exit_code );
|
|
thread_killed( current, exit_code );
|
|
}
|
|
current = (old_current != thread) ? old_current : NULL;
|
|
}
|
|
|
|
/* set the fd to pass to the thread */
|
|
void set_reply_fd( struct thread *thread, int pass_fd )
|
|
{
|
|
client_pass_fd( thread->client, pass_fd );
|
|
}
|
|
|
|
/* send a reply to a thread */
|
|
void send_reply( struct thread *thread )
|
|
{
|
|
if (thread->state == SLEEPING) thread->state = RUNNING;
|
|
client_reply( thread->client, thread->error );
|
|
}
|
|
|
|
/* set the debug level */
|
|
DECL_HANDLER(set_debug)
|
|
{
|
|
debug_level = req->level;
|
|
/* Make sure last_req is initialized */
|
|
current->last_req = REQ_SET_DEBUG;
|
|
}
|
|
|
|
/* debugger support operations */
|
|
DECL_HANDLER(debugger)
|
|
{
|
|
switch ( req->op )
|
|
{
|
|
case DEBUGGER_FREEZE_ALL:
|
|
suspend_all_threads();
|
|
break;
|
|
|
|
case DEBUGGER_UNFREEZE_ALL:
|
|
resume_all_threads();
|
|
break;
|
|
}
|
|
}
|