// PThreadMutexLocker.cxx

#include "dataset_util/PThreadMutexLocker.h"
#include <cassert>

//**********************************************************************
// Methods.
//**********************************************************************

// Constructor from reference.

PThreadMutexLocker::PThreadMutexLocker(PThreadMutex& mtx)
: m_pmtx(&mtx) {
  if ( mtx.is_valid() ) {
    int lstat = mtx.lock();
    assert( lstat == 0 );
  }
}

//**********************************************************************

// Constructor from pointer.

PThreadMutexLocker::PThreadMutexLocker(PThreadMutex* pmtx)
: m_pmtx(pmtx) {
  if ( pmtx!=0 && pmtx->is_valid() ) {
    int lstat = pmtx->lock();
    assert( lstat == 0 );
  }
}

//**********************************************************************

// Destructor.

PThreadMutexLocker::~PThreadMutexLocker() {
  if ( m_pmtx!=0 && m_pmtx->is_valid() ) {
    int ustat = m_pmtx->unlock();
    assert( ustat == 0 );
  }
}

//**********************************************************************