65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
/****************************************************************************
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* drivers/ipcc/ipcc_priv.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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/ipcc.h>
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#include <nuttx/mutex.h>
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#include <stdio.h>
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Driver state structure */
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struct ipcc_driver_s
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{
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FAR struct pollfd *fds[CONFIG_IPCC_NPOLLWAITERS];
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FAR struct ipcc_lower_s *ipcc; /* Lower half driver state */
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int crefs; /* Count number of open references */
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int unlinked; /* 1 - driver has been unlinked */
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mutex_t lock; /* Mutual exclusion for driver */
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sem_t rxsem; /* Data ready to read semaphore */
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sem_t txsem; /* Data ready to send semaphore */
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};
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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int ipcc_open(FAR struct file *filep);
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int ipcc_close(FAR struct file *filep);
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int ipcc_ioctl(FAR struct file *filep, int cmd, unsigned long arg);
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ssize_t ipcc_read(FAR struct file *filep, FAR char *buffer, size_t buflen);
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ssize_t ipcc_write(FAR struct file *filep, FAR const char *buffer,
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size_t buflen);
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int ipcc_poll(FAR struct file *filep, FAR struct pollfd *fds,
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bool setup);
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#ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
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int ipcc_unlink(FAR struct inode *inode);
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#endif
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void ipcc_pollnotify(FAR struct ipcc_driver_s *ipcc, pollevent_t eventset);
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void ipcc_cleanup(FAR struct ipcc_driver_s *priv);
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