CSemaphore Class Reference

#include <RioSemaphore.h>

Public Member Functions
	CSemaphore (int InitialValue, int MaxValue)
virtual	~CSemaphore ()
bool	IsOpen ()
void	P ()
void	V ()
Private Attributes
sem_t	m_Semaphore
bool	m_isopen

---

Detailed Description

Definition at line 32 of file RioSemaphore.h.

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Constructor & Destructor Documentation

CSemaphore::CSemaphore	(	int	InitialValue,
		int	MaxValue
	)

Definition at line 49 of file RioSemaphore.cpp.

{
#ifdef WINDOWS
  // WINDOWS32 implementation
  m_handle = CreateSemaphore(NULL,InitialValue,MaxValue,NULL);
  if(m_handle == INVALID_HANDLE_VALUE)
  {
    m_isopen = false;
  }
  else
  {
    m_isopen = true;
  }
#else
  // UNIX implementation
  int result = sem_init(&m_Semaphore,0,InitialValue);
  if(result == 0)
  {
    m_isopen = true;
  }
  else
  {
    m_isopen = false;
  }
#endif

}

CSemaphore::~CSemaphore

(

)

[virtual]

Definition at line 77 of file RioSemaphore.cpp.

{
  if(m_isopen)
  {
#ifdef WINDOWS
    // WINDOWS32 implementation
    CloseHandle (m_handle);
        m_isopen = false;
#else
  // UNIX implementation
        sem_destroy(&m_Semaphore);
        m_isopen = false;
#endif
  }
}

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Member Function Documentation

bool CSemaphore::IsOpen

(

)

Definition at line 93 of file RioSemaphore.cpp.

{
  return m_isopen;
}

void CSemaphore::P

(

)

Definition at line 99 of file RioSemaphore.cpp.

{

#ifdef WINDOWS
  // WINDOWS32 implementation
  WaitForSingleObject(m_handle,INFINITE);
#else
  // UNIX implementation
  sem_wait(&m_Semaphore);
#endif
}

void CSemaphore::V

(

)

Definition at line 111 of file RioSemaphore.cpp.

{
#ifdef WINDOWS
  // WINDOWS32 implementation
  ReleaseSemaphore(m_handle,1,NULL);
#else
  // UNIX implementation
  sem_post(&m_Semaphore);
#endif
}

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Field Documentation

bool CSemaphore::m_isopen [private]

Definition at line 42 of file RioSemaphore.h.

sem_t CSemaphore::m_Semaphore [private]

Definition at line 40 of file RioSemaphore.h.

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The documentation for this class was generated from the following files:

• RioSemaphore.h
• RioSemaphore.cpp