Calculate the timeout time once when the async is created.
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c6316bc4ac
commit
21ea8a9107
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@ -47,6 +47,7 @@ struct async
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int count;
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int eventmask;
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struct async *next;
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struct timeval tv;
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struct timeout_user *timeout;
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struct wait_queue_entry wait;
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void *buffer;
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@ -61,6 +62,7 @@ static int async_get_poll_events( struct object *obj );
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static int async_get_fd( struct object *obj );
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static int async_get_info( struct object *obj, struct get_file_info_request *req );
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static void async_poll_event( struct object *obj, int event );
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static void overlapped_timeout (void *private);
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static const struct object_ops async_ops =
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{
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@ -95,8 +97,10 @@ static void async_destroy( struct object *obj )
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assert( obj->ops == &async_ops );
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if(ov->timeout)
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{
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remove_timeout_user(ov->timeout);
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ov->timeout = NULL;
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ov->timeout = NULL;
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}
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}
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struct async *get_async_obj( struct process *process, handle_t handle, unsigned int access )
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@ -198,10 +202,17 @@ DECL_HANDLER(create_async)
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ov->file = obj;
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ov->buffer = req->buffer;
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ov->count = req->count;
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ov->tv.tv_sec = 0;
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ov->tv.tv_usec = 0;
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/* FIXME: this should be a function pointer */
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serial_async_setup(obj,ov);
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if( ov->tv.tv_sec || ov->tv.tv_usec )
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{
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ov->timeout = add_timeout_user(&ov->tv, overlapped_timeout, ov);
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}
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ov->obj.ops->add_queue(&ov->obj,&ov->wait);
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req->ov_handle = alloc_handle( current->process, ov, GENERIC_READ|GENERIC_WRITE, 0 );
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@ -216,6 +227,11 @@ static void async_poll_event( struct object *obj, int event )
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/* queue an APC in the client thread to do our dirty work */
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ov->obj.ops->remove_queue(&ov->obj,&ov->wait);
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if(ov->timeout)
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{
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remove_timeout_user(ov->timeout);
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ov->timeout = NULL;
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}
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/* FIXME: this should be a function pointer */
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event = serial_async_poll_event(obj,event);
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@ -230,6 +246,7 @@ static void overlapped_timeout (void *private)
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struct async *ov = (struct async *) private;
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ov->obj.ops->remove_queue(&ov->obj,&ov->wait);
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ov->timeout = NULL;
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thread_queue_apc(ov->thread, NULL, ov->func, APC_ASYNC, 1, 3,
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ov->client_overlapped,ov->buffer, 0);
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@ -237,11 +254,11 @@ static void overlapped_timeout (void *private)
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void async_add_timeout(struct async *ov, int timeout)
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{
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struct timeval tv;
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gettimeofday(&tv,0);
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add_timeout(&tv,timeout);
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ov->timeout = add_timeout_user(&tv, overlapped_timeout, ov);
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if(timeout)
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{
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gettimeofday(&ov->tv,0);
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add_timeout(&ov->tv,timeout);
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}
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}
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DECL_HANDLER(async_result)
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@ -254,6 +271,10 @@ DECL_HANDLER(async_result)
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if(ov->result == STATUS_PENDING)
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{
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ov->obj.ops->add_queue(&ov->obj,&ov->wait);
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if( (ov->tv.tv_sec || ov->tv.tv_usec) && !ov->timeout)
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{
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ov->timeout = add_timeout_user(&ov->tv, overlapped_timeout, ov);
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}
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}
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release_object( ov );
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}
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