linuxrendezvous.h

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#pragma once
//------------------------------------------------------------------------------
#include "core/types.h"
#include <semaphore.h>
 
//------------------------------------------------------------------------------
namespace Linux
{
class LinuxRendezvous
{
public:
    LinuxRendezvous();
    ~LinuxRendezvous();

    void MasterArrive();
    void SlaveArrive();
 
private:
    sem_t semMaster;
    sem_t semSlave;
};
 
//------------------------------------------------------------------------------
inline
LinuxRendezvous::LinuxRendezvous()
{
    int res;
    res = sem_init(&this->semMaster, 0, 0);
    n_assert(0 == res);
    res = sem_init(&this->semSlave, 0, 0);
    n_assert(0 == res);
}
 
//------------------------------------------------------------------------------
inline
LinuxRendezvous::~LinuxRendezvous()
{
    sem_destroy(&this->semMaster);
    sem_destroy(&this->semSlave);
}
 
//------------------------------------------------------------------------------
inline void
LinuxRendezvous::MasterArrive()
{
    n_assert(sem_post(&this->semMaster) == 0);
    n_assert(sem_wait(&this->semSlave) == 0);
}
 
//------------------------------------------------------------------------------
inline void
LinuxRendezvous::SlaveArrive()
{
    n_assert(sem_post(&this->semSlave) == 0);
    n_assert(sem_wait(&this->semMaster) == 0);
}
 
} // namespace Linux
//------------------------------------------------------------------------------