ThreadSupervisor::ThreadSupervisor(int targetNumThreads):
m_TargetNumThreads(targetNumThreads),m_ThreadLocalIdCounter(1)
{
threadSupervisor=this;
//if using get specific, create the thread specific key for the thread local memory block
#ifdef GETSPECIFICTHREADLOCAL
//create key, abort on error
if(pthread_key_create(&m_ThreadSpecificKey,NULL))
abort();
//create new thread local memory block
m_LocalThreadMemory = new void*[ThreadSupervisor::s_MaxThreadLocalIdCounter];
//make really really sure it is zero
memset(m_LocalThreadMemory,0,sizeof(void*)*ThreadSupervisor::s_MaxThreadLocalIdCounter);
//set memory block location for main thread. Main thread doesn't do anything, so not really used.
//however, there are plenty of initializations in it anyway.
if(pthread_setspecific(threadSupervisor->m_ThreadSpecificKey,m_LocalThreadMemory))
abort();
#endif
//if not using get specific no initialization is necessary
//initialize task waiting condition
if(pthread_cond_init(&m_TaskWaitingCondition,NULL))
abort();
//force everything to get done just in case there is some weird GC issue.
AO_compiler_barrier();
//once everything is done initialize statics
staticThreadLocalInit();
}
/* collector has been explicitly initialized. */
GC_API GC_ATTR_MALLOC void * GC_CALL GC_gcj_malloc(size_t bytes,
void * ptr_to_struct_containing_descr)
{
if (EXPECT(GC_incremental, FALSE)) {
return GC_core_gcj_malloc(bytes, ptr_to_struct_containing_descr);
} else {
size_t granules = ROUNDED_UP_GRANULES(bytes);
void *result;
void **tiny_fl = ((GC_tlfs)GC_getspecific(GC_thread_key))
-> gcj_freelists;
GC_ASSERT(GC_gcj_malloc_initialized);
GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES,
GC_gcj_kind,
GC_core_gcj_malloc(bytes,
ptr_to_struct_containing_descr),
{AO_compiler_barrier();
*(void **)result = ptr_to_struct_containing_descr;});
SupervisorThread::SupervisorThread(int localThreadId):m_KeepRunning(true),m_LocalThreadId(localThreadId)
{
m_ThreadLocal = new void*[ThreadSupervisor::s_MaxThreadLocalIdCounter];
AO_compiler_barrier();
}
