37 lines
745 B
C++
37 lines
745 B
C++
#pragma once
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#include <cstdint> // std::uint64_t
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#include "libipc/def.h"
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namespace ipc {
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namespace sync {
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class semaphore {
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semaphore(semaphore const &) = delete;
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semaphore &operator=(semaphore const &) = delete;
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public:
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semaphore();
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explicit semaphore(char const *name, std::uint32_t count = 0);
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~semaphore();
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void const *native() const noexcept;
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void *native() noexcept;
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bool valid() const noexcept;
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bool open(char const *name, std::uint32_t count = 0) noexcept;
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void close() noexcept;
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bool wait(std::uint64_t tm = ipc::invalid_value) noexcept;
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bool post(std::uint32_t count = 1) noexcept;
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private:
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class semaphore_;
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semaphore_* p_;
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};
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} // namespace sync
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} // namespace ipc
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