39 lines
716 B
C++
39 lines
716 B
C++
#pragma once
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#include <cstdint> // std::uint64_t
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#include <system_error>
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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 mutex {
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mutex(mutex const &) = delete;
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mutex &operator=(mutex const &) = delete;
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public:
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mutex();
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explicit mutex(char const *name);
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~mutex();
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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) noexcept;
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void close() noexcept;
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bool lock(std::uint64_t tm = ipc::invalid_value) noexcept;
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bool try_lock() noexcept(false); // std::system_error
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bool unlock() noexcept;
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private:
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class mutex_;
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mutex_* p_;
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};
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} // namespace sync
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} // namespace ipc
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