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