void BLI_init_threads(ListBase *threadbase, void *(*do_thread)(void *), int tot)
{
int a;
if (threadbase != NULL && tot > 0) {
BLI_listbase_clear(threadbase);
if (tot > RE_MAX_THREAD) tot = RE_MAX_THREAD;
else if (tot < 1) tot = 1;
for (a = 0; a < tot; a++) {
ThreadSlot *tslot = MEM_callocN(sizeof(ThreadSlot), "threadslot");
BLI_addtail(threadbase, tslot);
tslot->do_thread = do_thread;
tslot->avail = 1;
}
}
if (thread_levels == 0) {
MEM_set_lock_callback(BLI_lock_malloc_thread, BLI_unlock_malloc_thread);
#ifdef USE_APPLE_OMP_FIX
/* workaround for Apple gcc 4.2.1 omp vs background thread bug,
* we copy gomp thread local storage pointer to setting it again
* inside the thread that we start */
thread_tls_data = pthread_getspecific(gomp_tls_key);
#endif
}
thread_levels++;
}
void BLI_init_threads(ListBase *threadbase, void *(*do_thread)(void *), int tot)
{
int a;
if(threadbase != NULL && tot > 0) {
threadbase->first= threadbase->last= NULL;
if(tot>RE_MAX_THREAD) tot= RE_MAX_THREAD;
else if(tot<1) tot= 1;
for(a=0; a<tot; a++) {
ThreadSlot *tslot= MEM_callocN(sizeof(ThreadSlot), "threadslot");
BLI_addtail(threadbase, tslot);
tslot->do_thread= do_thread;
tslot->avail= 1;
}
}
if(thread_levels == 0) {
MEM_set_lock_callback(BLI_lock_malloc_thread, BLI_unlock_malloc_thread);
#if defined(__APPLE__) && (PARALLEL == 1) && (__GNUC__ == 4) && (__GNUC_MINOR__ == 2)
/* workaround for Apple gcc 4.2.1 omp vs background thread bug,
we copy gomp thread local storage pointer to setting it again
inside the thread that we start */
thread_tls_data = pthread_getspecific(gomp_tls_key);
#endif
}
thread_levels++;
}
void BLI_end_threaded_malloc(void)
{
/* Used for debug only */
/* BLI_assert(thread_levels >= 0); */
thread_levels--;
if (thread_levels == 0)
MEM_set_lock_callback(NULL, NULL);
}
void BLI_begin_threaded_malloc(void)
{
/* Used for debug only */
/* BLI_assert(thread_levels >= 0); */
if (thread_levels == 0) {
MEM_set_lock_callback(BLI_lock_malloc_thread, BLI_unlock_malloc_thread);
}
thread_levels++;
}
void BLI_end_threads(ListBase *threadbase)
{
ThreadSlot *tslot;
/* only needed if there's actually some stuff to end
* this way we don't end up decrementing thread_levels on an empty threadbase
* */
if (threadbase && (BLI_listbase_is_empty(threadbase) == false)) {
for (tslot = threadbase->first; tslot; tslot = tslot->next) {
if (tslot->avail == 0) {
pthread_join(tslot->pthread, NULL);
}
}
BLI_freelistN(threadbase);
}
thread_levels--;
if (thread_levels == 0)
MEM_set_lock_callback(NULL, NULL);
}
