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/* Copyright (c) 2003 Juan Lang
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __NBCMDQUEUE_H__
#define __NBCMDQUEUE_H__
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "nb30.h"
/* This file defines a queue of pending NetBIOS commands. The queue operations
* are thread safe, with the exception of NBCmdQueueDestroy: ensure no other
* threads are manipulating the queue when calling NBCmdQueueDestroy.
*/
struct NBCmdQueue;
/* Allocates a new command queue from heap. */
struct NBCmdQueue *NBCmdQueueCreate(HANDLE heap) DECLSPEC_HIDDEN;
/* Adds ncb to queue. Assumes queue is not NULL, and ncb is not already in the
* queue. If ncb is already in the queue, returns NRC_TOOMANY.
*/
UCHAR NBCmdQueueAdd(struct NBCmdQueue *queue, PNCB ncb) DECLSPEC_HIDDEN;
/* Cancels the given ncb. Blocks until the command completes. Implicitly
* removes ncb from the queue. Assumes queue and ncb are not NULL, and that
* ncb has been added to queue previously.
* Returns NRC_CMDCAN on a successful cancellation, NRC_CMDOCCR if the command
* completed before it could be cancelled, and various other return values for
* different failures.
*/
UCHAR NBCmdQueueCancel(struct NBCmdQueue *queue, PNCB ncb) DECLSPEC_HIDDEN;
/* Sets the return code of the given ncb, and implicitly removes the command
* from the queue. Assumes queue and ncb are not NULL, and that ncb has been
* added to queue previously.
* Returns NRC_GOODRET on success.
*/
UCHAR NBCmdQueueComplete(struct NBCmdQueue *queue, PNCB ncb, UCHAR retcode) DECLSPEC_HIDDEN;
/* Cancels all pending commands in the queue (useful for a RESET or a shutdown).
* Returns when all commands have been completed.
*/
UCHAR NBCmdQueueCancelAll(struct NBCmdQueue *queue) DECLSPEC_HIDDEN;
/* Frees all memory associated with the queue. Blocks until all commands
* pending in the queue have been completed.
*/
void NBCmdQueueDestroy(struct NBCmdQueue *queue) DECLSPEC_HIDDEN;
#endif /* __NBCMDQUEUE_H__ */