polsem.h

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#ifndef POLSEM_H
#define POLSEM_H

// TODO: encapsulate the "locker" variable to remove those includes from here. Would a size_t work?
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#else
#include <pthread.h>
#include <unistd.h>
#endif
#include <atomic>

namespace Pol
{
namespace Core
{
void init_ipc_vars();
void deinit_ipc_vars();

void send_pulse();
void wait_for_pulse( unsigned int millis );

void wake_tasks_thread();
void tasks_thread_sleep( unsigned int millis );

void send_ClientTransmit_pulse();
void wait_for_ClientTransmit_pulse( unsigned int millis );

extern size_t locker;
#ifdef _WIN32
extern CRITICAL_SECTION cs;
#else
extern pthread_mutex_t polsem;
#endif  // not _WIN32

void polsem_lock();
void polsem_unlock();

class PolLock
{
public:
  PolLock() { polsem_lock(); }
  ~PolLock() { polsem_unlock(); }
};

class PolLock2
{
public:
  PolLock2() : locked_( true ) { polsem_lock(); }
  ~PolLock2()
  {
    if ( locked_ )
      polsem_unlock();
    locked_ = false;
  }

  void unlock()
  {
    polsem_unlock();
    locked_ = false;
  }
  void lock()
  {
    polsem_lock();
    locked_ = true;
  }

private:
  bool locked_;
};
}
}
#endif  // POLSEM_H