ScarabDatum *scarab_destroy_lock(ScarabDatum *datum){
#ifdef THREAD_SAFE_SCARAB_DATUM
if(datum != NULL && datum->mutex != NULL){
pthread_mutex_destroy(datum->mutex);
scarab_mem_free(datum->mutex);
}
#endif
}
DataFileIndexer::DataFileIndexer(const boost::filesystem::path &data_file) :
number_of_events(0),
events_per_block(0)
{
const std::string uri("ldobinary:file_readonly://" + data_file.string());
session = scarab_session_connect(uri.c_str());
if ((session == NULL) || (scarab_session_geterr(session) != 0)) {
scarab_mem_free(session);
throw DataFileIndexerError(boost::format("Cannot open file \"%s\"") % data_file.string());
}
}
void scarab_free_datum(ScarabDatum *d){
int i;
if(d == NULL) return;
// Unnecessary checking? Actually accounts for 16% of the time in this
// call, and this call is made frequently...
//if(d->mutex != NULL){
pthread_mutex_lock(d->mutex); // lock just THIS mutex
//} else {
//???
//}
//scarab_lock_datum(d);
// One fewer reference to this object
d->ref_count--;
// If the thing is no longer referenced, kill it
if((d->ref_count) == 0){
switch (d->type)
{
case SCARAB_DICT:
// free sub-data
for(i = 0; i < d->data.dict->tablesize; i++){
scarab_free_datum(d->data.dict->keys[i]);
scarab_free_datum(d->data.dict->values[i]);
}
// Free the parts
scarab_mem_free(d->data.dict->keys);
scarab_mem_free(d->data.dict->values);
scarab_mem_free(d->data.dict);
break;
case SCARAB_LIST:
// free sub-data
for(i = 0; i < d->data.list->size; i++){
scarab_free_datum(d->data.list->values[i]);
}
// free parts
scarab_mem_free(d->data.list->values);
scarab_mem_free(d->data.list);
break;
case SCARAB_FLOAT_OPAQUE:
case SCARAB_OPAQUE:
// free opaque data
if(d->data.opaque.data != NULL){
scarab_mem_free(d->data.opaque.data );
}
break;
default:
break;
}
//scarab_unlock_datum(d);
//scarab_destroy_lock(d);
// Take the lock out of the ScarabDatum, we want to hang onto it
// until we're done
pthread_mutex_t *lock = d->mutex;
scarab_mem_free(d);
// now, release the lock and destroy it
pthread_mutex_unlock(lock);
pthread_mutex_destroy(lock);
free(lock);
return;
}
// Unnecessary checking?
// if(d->mutex != NULL){
pthread_mutex_unlock(d->mutex);
// } else {
//???
// }
//scarab_unlock_datum(d);
}
void scarab_free_datum(ScarabDatum *d){
int i;
if(d == NULL) return;
#ifdef THREAD_SAFE_SCARAB_DATUM
pthread_mutex_lock(d->mutex);
#endif
// One fewer reference to this object
d->ref_count--;
// If the thing is no longer referenced, kill it
if((d->ref_count) == 0){
switch (d->type)
{
case SCARAB_DICT:
// free sub-data
for(i = 0; i < d->data.dict->tablesize; i++){
scarab_free_datum(d->data.dict->keys[i]);
scarab_free_datum(d->data.dict->values[i]);
}
// Free the parts
scarab_mem_free(d->data.dict->keys);
scarab_mem_free(d->data.dict->values);
scarab_mem_free(d->data.dict);
break;
case SCARAB_LIST:
// free sub-data
for(i = 0; i < d->data.list->size; i++){
scarab_free_datum(d->data.list->values[i]);
}
// free parts
scarab_mem_free(d->data.list->values);
scarab_mem_free(d->data.list);
break;
case SCARAB_OPAQUE:
// free opaque data
if(d->data.opaque.data != NULL){
scarab_mem_free(d->data.opaque.data );
}
break;
default:
break;
}
#ifdef THREAD_SAFE_SCARAB_DATUM
// Take the lock out of the ScarabDatum, we want to hang onto it
// until we're done
pthread_mutex_t *lock = d->mutex;
#endif
scarab_mem_free(d);
#ifdef THREAD_SAFE_SCARAB_DATUM
// now, release the lock and destroy it
pthread_mutex_unlock(lock);
pthread_mutex_destroy(lock);
scarab_mem_free(lock);
#endif
return;
}
#ifdef THREAD_SAFE_SCARAB_DATUM
pthread_mutex_unlock(d->mutex);
#endif
}