static void CmiDestroyLocks()
{
CmiDestroyLock(comm_mutex);
CmiDestroyLock(CmiMemLock_lock);
CmiMemLock_lock = 0;
pthread_mutex_destroy(&barrier_mutex);
#ifdef CMK_NO_ASM_AVAILABLE
pthread_mutex_destroy(cmiMemoryLock);
#endif
}
CkArrayReductionMgr::~CkArrayReductionMgr() {
CmiDestroyLock(lockCount);
}
static void CmiStartThreads(char **argv)
{
pthread_t pid;
size_t i;
int ok, tocreate;
pthread_attr_t attr;
MACHSTATE(4,"CmiStartThreads")
CmiMemLock_lock=CmiCreateLock();
comm_mutex=CmiCreateLock();
_smp_mutex = CmiCreateLock();
#if defined(CMK_NO_ASM_AVAILABLE) && CMK_PCQUEUE_LOCK
cmiMemoryLock = CmiCreateLock();
if (CmiMyNode()==0) printf("Charm++ warning> fences and atomic operations not available in native assembly\n");
#endif
#if ! (CMK_HAS_TLS_VARIABLES && !CMK_NOT_USE_TLS_THREAD)
pthread_key_create(&Cmi_state_key, 0);
Cmi_state_vector =
(CmiState)calloc(_Cmi_mynodesize+1, sizeof(struct CmiStateStruct));
for (i=0; i<_Cmi_mynodesize; i++)
CmiStateInit(i+Cmi_nodestart, i, CmiGetStateN(i));
/*Create a fake state structure for the comm. thread*/
/* CmiStateInit(-1,_Cmi_mynodesize,CmiGetStateN(_Cmi_mynodesize)); */
CmiStateInit(_Cmi_mynode+CmiNumPes(),_Cmi_mynodesize,CmiGetStateN(_Cmi_mynodesize));
#else
/* for main thread */
Cmi_state_vector = (CmiState *)calloc(_Cmi_mynodesize+1, sizeof(CmiState));
#if CMK_CONVERSE_MPI
/* main thread is communication thread */
CmiStateInit(_Cmi_mynode+CmiNumPes(), _Cmi_mynodesize, &Cmi_mystate);
Cmi_state_vector[_Cmi_mynodesize] = &Cmi_mystate;
#else
/* main thread is of rank 0 */
CmiStateInit(Cmi_nodestart, 0, &Cmi_mystate);
Cmi_state_vector[0] = &Cmi_mystate;
#endif
#endif
#if CMK_MULTICORE || CMK_SMP_NO_COMMTHD
if (!Cmi_commthread)
tocreate = _Cmi_mynodesize-1;
else
#endif
tocreate = _Cmi_mynodesize;
#if CMK_CONVERSE_MPI
for (i=0; i<=tocreate-1; i++) { /* skip comm thread */
#else
for (i=1; i<=tocreate; i++) { /* skip rank 0 main thread */
#endif
pthread_attr_init(&attr);
pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
ok = pthread_create(&pid, &attr, call_startfn, (void *)i);
if (ok<0) PerrorExit("pthread_create");
pthread_attr_destroy(&attr);
}
#if ! (CMK_HAS_TLS_VARIABLES && !CMK_NOT_USE_TLS_THREAD)
#if CMK_CONVERSE_MPI
pthread_setspecific(Cmi_state_key, Cmi_state_vector+_Cmi_mynodesize);
#else
pthread_setspecific(Cmi_state_key, Cmi_state_vector);
#endif
#endif
MACHSTATE(4,"CmiStartThreads done")
}
static void CmiDestoryLocks()
{
CmiDestroyLock(comm_mutex);
CmiDestroyLock(CmiMemLock_lock);
CmiMemLock_lock = 0;
pthread_mutex_destroy(&barrier_mutex);
#ifdef CMK_NO_ASM_AVAILABLE
pthread_mutex_destroy(cmiMemoryLock);
#endif
}
