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#include <iostream>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "debug.h"
using namespace std;
using namespace std;
#include "ptmutex.h"
// #if defined HAVE_LIBPTHREAD || defined HAVE_LIBPTHREADGC2
// pthreads-based implementation
PTMutex::PTMutex()
{
pthread_mutexattr_t pmi;
pthread_mutexattr_init(&pmi);
pthread_mutexattr_settype(&pmi,PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&mutex,&pmi);
}
PTMutex::~PTMutex()
{
pthread_mutex_destroy(&mutex);
}
void PTMutex::ObtainMutex()
{
pthread_mutex_lock(&mutex);
}
bool PTMutex::AttemptMutex()
{
int result=pthread_mutex_trylock(&mutex);
if(result==0)
return(true);
else
return(false);
}
void PTMutex::ReleaseMutex()
{
pthread_mutex_unlock(&mutex);
}
// #else
#if 0
// Dummy implementation. Obtaining the mutex always succeeds.
PTMutex::PTMutex()
{
Debug[TRACE] << "Warning - building a dummy mutex" << endl;
}
PTMutex::~PTMutex()
{
}
void PTMutex::ObtainMutex()
{
Debug[TRACE] << "Warning - obtaining a dummy mutex" << endl;
}
bool PTMutex::AttemptMutex()
{
Debug[TRACE] << "Warning - attempting a dummy mutex" << endl;
return(true);
}
void PTMutex::ReleaseMutex()
{
Debug[TRACE] << "Warning - releasing a dummy mutex" << endl;
}
#endif
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