68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/****************************************************************************
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* libs/libc/wqueue/wqueue.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 __LIBS_LIBC_WQUEUE_WQUEUE_H
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#define __LIBS_LIBC_WQUEUE_WQUEUE_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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#include <semaphore.h>
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#include <pthread.h>
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#include <nuttx/wqueue.h>
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#if defined(CONFIG_LIBC_USRWORK) && !defined(__KERNEL__)
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/* This structure defines the state of one user-modework queue. */
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struct usr_wqueue_s
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{
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struct sq_queue_s q; /* The queue of pending work */
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sem_t lock; /* exclusive access to user-mode work queue */
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sem_t wake; /* The wake-up semaphore of the usrthread */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* The state of the user mode work queue */
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extern struct usr_wqueue_s g_usrwork;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#endif /* CONFIG_LIBC_USRWORK && !__KERNEL__*/
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#endif /* __LIBS_LIBC_WQUEUE_WQUEUE_H */
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