mirror of https://github.com/ARMmbed/mbed-os.git
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
/* Copyright (c) 2019 ARM Limited
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SEMAPHORE_H
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#define SEMAPHORE_H
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#include <stdint.h>
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#include "cmsis_os2.h"
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namespace rtos {
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class Semaphore {
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public:
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Semaphore(int32_t count = 0);
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Semaphore(int32_t count, uint16_t max_count);
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void acquire();
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bool try_acquire();
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bool try_acquire_for(uint32_t millisec);
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bool try_acquire_until(uint64_t millisec);
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osStatus release(void);
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};
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}
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#endif
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