condition.h

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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#ifndef Pegasus_Condition_h
#define Pegasus_Condition_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/Linkage.h>
#include <Pegasus/Common/Mutex.h>
#include <Pegasus/Common/AtomicInt.h>

#if defined(PEGASUS_HAVE_PTHREADS)
# include <pthread.h>
#elif defined(PEGASUS_HAVE_WINDOWS_THREADS)
# include <windows.h>
# include "List.h"
#else
# error "<Pegasus/Common/Condition.h>: not implemented"
#endif

PEGASUS_NAMESPACE_BEGIN

//==============================================================================
//
// ConditionRep
//
//==============================================================================

#if defined(PEGASUS_HAVE_PTHREADS)

struct ConditionRep
{
    pthread_cond_t cond;
};

#endif /* PEGASUS_HAVE_PTHREADS */

#if defined(PEGASUS_HAVE_WINDOWS_THREADS)

struct ConditionWaiter : public Linkable
{
    HANDLE event;
};

struct ConditionRep
{
    List<ConditionWaiter,Mutex> waiters;
};

#endif /* PEGASUS_HAVE_WINDOWS_THREADS */

//==============================================================================
//
// Condition
//
//==============================================================================

class PEGASUS_COMMON_LINKAGE Condition
{
public:

    Condition();

    ~Condition();

    void signal();

    void wait(Mutex& mutex);

private:
    Condition(const Condition&);
    Condition& operator=(const Condition&);
    ConditionRep _rep;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_Condition_h */