void* thread_worker( void *a )
{
Huint tid;
argument *arg;
tid = hthread_self();
arg = (argument*)a;
printf( "Starting Worker Thread: (TID=%u)\n", tid );
while( 1 )
{
hthread_mutex_lock( arg->mutex );
while( arg->jobs == 0 )
{
//printf( "Queue Empty: (TID=%u)\n", tid );
hthread_cond_wait( arg->cond_notempty, arg->mutex );
}
arg->jobs = arg->jobs - 1;
//printf( "Queue Not Full: (TID=%u) (JOBS=%u)\n",tid, arg->jobs );
hthread_cond_signal( arg->cond_notfull );
printf( "Running Job: (TID=%u) (JOBS=%u)\n",tid,arg->jobs );
hthread_yield();
hthread_mutex_unlock( arg->mutex );
}
printf( "Exiting Worker Thread: (TID=%u)\n", tid );
return NULL;
}
void* thread_dispatcher( void *a )
{
Huint tid;
argument *arg;
tid = hthread_self();
arg = (argument*)a;
printf( "Starting Dispatcher Thread: (TID=%u)\n", tid );
while( 1 )
{
hthread_mutex_lock( arg->mutex );
while( arg->jobs >= 10 )
{
//printf( "Queue Full: (JOBS=%u)\n", arg->jobs );
hthread_cond_wait( arg->cond_notfull, arg->mutex );
}
printf( "Creating Job: (TID=%u) (JOBS=%u)\n", tid, arg->jobs );
arg->jobs = arg->jobs + 1;
//printf( "Queue Not Empty: (TID=%u) (JOBS=%u)\n", tid, arg->jobs );
hthread_cond_signal( arg->cond_notempty );
hthread_yield();
hthread_mutex_unlock( arg->mutex );
}
printf( "Exiting Dispatcher Thread: (TID=%u)\n", tid );
return NULL;
}
void cons_start( cons_struct *cons )
{
hthread_mutex_lock( cons->mutex );
while( *cons->ready == 0 ) hthread_cond_wait( cons->start, cons->mutex );
*cons->ready = 0;
hthread_mutex_unlock( cons->mutex );
}
/*-------------------------------------------------------------------*/
DLL_EXPORT int hthread_wait_condition( COND* plc, LOCK* plk, const char* location )
{
int rc;
ILOCK* ilk;
ilk = (ILOCK*) plk->ilk;
PTTRACE( "wait before", plk, plc, location, PTT_MAGIC );
rc = hthread_cond_wait( plc, &ilk->lock );
PTTRACE( "wait after", plk, plc, location, rc );
if (rc)
loglock( ilk, rc, "wait_condition", location );
return rc;
}
void * a_thread_function(void * arg) {
struct testdata * data = (struct testdata *) arg;
printf( "Thread %d Running\n", (int)hthread_self() );
hthread_mutex_lock( data->mutex );
*(data->start_num) += 1;
hthread_cond_wait( data->cond, data->mutex );
*(data->waken_num) += 1;
hthread_mutex_unlock( data->mutex);
return NULL;
}
void * testThread ( void * arg ) {
int retVal;
struct test_data * data = (struct test_data *) arg;
hthread_mutex_lock( data->mutex );
hthread_create( &data->thread, NULL, data->function, (void *) data );
retVal = hthread_cond_wait( data->cond, data->mutex );
hthread_mutex_unlock( data->mutex );
hthread_join( data->thread, NULL );
hthread_exit( (void *) retVal );
return NULL;
}
void *handle_requests_loop(void *data)
{
int rs;
struct task *task;
struct threadpool * tp = (struct threadpool *)data;
// Pre-lock mutex
rs = hthread_mutex_lock(tp->task_queue_mutex);
while (1) {
// Check to see if there are any tasks to execute
if (tp->total_tasks > 0) {
// If so, then grab one
task = get_task(tp);
aprintf("TID %d, got task!\n",hthread_self());
if (task) {
// If the task is valid, then release lock
rs = hthread_mutex_unlock(tp->task_queue_mutex);
// Execute task
execute_task(task);
free(task);
// Yield to allow another thread to do some work if possible
hthread_yield();
// Re-acquire for next round
rs = hthread_mutex_lock(tp->task_queue_mutex);
} else {
// Otherwise, wait for tasks
rs = hthread_cond_wait(tp->active_task, tp->task_queue_mutex);
}
} else {
// Release lock and processor, let someone else do some work
hthread_mutex_unlock(tp->task_queue_mutex);
hthread_yield();
// Re-acquire
hthread_mutex_lock(tp->task_queue_mutex);
}
}
return (void*)99;
}
