87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/****************************************************************************
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* drivers/serial/pty.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __DRIVERS_SERIAL_PTY_H
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#define __DRIVERS_SERIAL_PTY_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: ptmx_minor_free
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*
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* Description:
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* De-allocate a PTY minor number.
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*
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* Assumptions:
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* Caller hold the px_exclsem
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*
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****************************************************************************/
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#ifdef CONFIG_PSEUDOTERM_SUSV1
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void ptmx_minor_free(uint8_t minor);
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#endif
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/****************************************************************************
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* Name: pty_register
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*
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* Description:
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* Create and register PTY master and slave devices. The master device
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* will be registered at /dev/ptyN and slave at /dev/pts/N where N is
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* the provided minor number.
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*
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* The slave side of the interface is always locked initially. The
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* master must call unlockpt() before the slave device can be opened.
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*
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* Input Parameters:
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* minor - The number that qualifies the naming of the created devices.
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* any failure.
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*
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****************************************************************************/
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#ifdef CONFIG_PSEUDOTERM_SUSV1
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int pty_register(int minor);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __DRIVERS_SERIAL_PTY_H */
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