SemaphoreImplPosix.cpp

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// this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*-
//----------------------------------------------------------------------
//----------------------------------------------------------------------
#include "SemaphoreImplPosix.h"

#include <errno.h>

namespace icl_core {
namespace logging {

SemaphoreImplPosix::SemaphoreImplPosix(size_t initial_value)
  : m_semaphore(0)
{
  m_semaphore = new sem_t;
  sem_init(m_semaphore, 0, initial_value);
}

SemaphoreImplPosix::~SemaphoreImplPosix()
{
  if (m_semaphore)
  {
    sem_destroy(m_semaphore);
    delete m_semaphore;
    m_semaphore = 0;
  }
}

void SemaphoreImplPosix::post()
{
  sem_post(m_semaphore);
}

bool SemaphoreImplPosix::wait()
{
  int res = sem_wait(m_semaphore);
  return (res == 0);
}

}
}