62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/****************************************************************************
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* wireless/bluetooth/bt_atomic.h
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* Linux like atomic operations
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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 __WIRELESS_BLUETOOTH_BT_ATOMIC_H
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#define __WIRELESS_BLUETOOTH_BT_ATOMIC_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 <nuttx/compiler.h>
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#include <stdint.h>
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#include <stdbool.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define bt_atomic_set(ptr, value) (*(ptr) = (value))
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#define bt_atomic_get(ptr) (*(ptr))
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#define bt_atomic_testbit(ptr, bitno) ((*(ptr) & (1 << (bitno))) != 0)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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typedef uint8_t bt_atomic_t;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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bt_atomic_t bt_atomic_incr(FAR bt_atomic_t *ptr);
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bt_atomic_t bt_atomic_decr(FAR bt_atomic_t *ptr);
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bt_atomic_t bt_atomic_setbit(FAR bt_atomic_t *ptr, bt_atomic_t bitno);
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bt_atomic_t bt_atomic_clrbit(FAR bt_atomic_t *ptr, bt_atomic_t bitno);
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bool bt_atomic_testsetbit(FAR bt_atomic_t *ptr, bt_atomic_t bitno);
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bool bt_atomic_testclrbit(FAR bt_atomic_t *ptr, bt_atomic_t bitno);
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#endif /* __WIRELESS_BLUETOOTH_BT_ATOMIC_H */
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