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#ifndef QRK_SEMAPHORE_H
#define QRK_SEMAPHORE_H
/*!
\file
\brief Z}tHǗ
\author Satofumi KAMIMURA
$Id: Semaphore.h 783 2009-05-05 08:56:26Z satofumi $
hLǵASDL }jAQlɂĂ
*/
#include <memory>
namespace qrk
{
/*!
\brief Z}tHǗ
*/
class Semaphore
{
Semaphore(void);
Semaphore(const Semaphore& rhs);
Semaphore& operator = (const Semaphore& rhs);
struct pImpl;
const std::auto_ptr<pImpl> pimpl;
public:
/*!
\brief RXgN^
\param[in] initial_value l
*/
explicit Semaphore(size_t initial_value);
~Semaphore(void);
/*!
\brief fNg
Z}tHbNAZ}tH̒l[̂Ƃ́AXbh~
*/
void wait(void);
/*!
\brief Xbh~ȂfNg
Xbh~ɁAZ}tH̃bN݂
\retval true bNɐ
\retval false bNɎs or G[
*/
bool tryWait(void);
/*!
\brief CNg
Z}tH̒lZ
*/
void post(void);
/*!
\brief Z}tHl̎擾
\return Z}tHl
*/
size_t value(void);
};
}
#endif /*! QRK_SEMAPHORE_H */
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