Sese Framework  2.3.0
A cross-platform framework
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Semaphore.h
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1// Copyright 2024 libsese
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
19
20#ifndef SESE_CORE_SEMAPHORE_H
21#define SESE_CORE_SEMAPHORE_H
22
23#include <sese/Config.h>
24
25#include <chrono>
26
27#ifndef SESE_PLATFORM_WINDOWS
28#include <semaphore.h>
29#endif
30
31namespace sese::system {
32
34class Semaphore final {
35public:
36 using Ptr = std::unique_ptr<Semaphore>;
37
42 static Semaphore::Ptr create(std::string name, uint32_t initial_count = 1);
43
44 ~Semaphore();
45
47 bool lock();
48
50 bool unlock();
51
55 bool tryLock(std::chrono::milliseconds ms);
56
57private:
58 Semaphore() = default;
59
60#ifdef SESE_PLATFORM_WINDOWS
61 HANDLE hSemaphore{};
62#else
63 std::string sem_name{};
64 sem_t *semaphore{};
65#endif
66};
67
68}
69
70#endif //SESE_CORE_SEMAPHORE_H
71