afb81b8278
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48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include <crl/common/crl_common_config.h>
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#ifdef CRL_USE_DISPATCH
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#include <memory>
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namespace crl {
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class semaphore {
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public:
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semaphore() : _handle(implementation::create()) {
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}
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semaphore(const semaphore &other) = delete;
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semaphore &operator=(const semaphore &other) = delete;
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semaphore(semaphore &&other) noexcept
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: _handle(std::move(other._handle)) {
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}
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semaphore &operator=(semaphore &&other) noexcept {
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_handle = std::move(other._handle);
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return *this;
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}
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void acquire();
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void release();
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private:
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// Hide dispatch_semaphore_t
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struct implementation {
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using pointer = void*;
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static pointer create();
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void operator()(pointer value);
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};
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std::unique_ptr<implementation::pointer, implementation> _handle;
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};
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} // namespace crl
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#endif // CRL_USE_DISPATCH
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