/* allocated as a small object. */
void * GC_gcj_fast_malloc(size_t lw, void * ptr_to_struct_containing_descr)
{
ptr_t op;
ptr_t * opp;
DCL_LOCK_STATE;
opp = &(GC_gcjobjfreelist[lw]);
LOCK();
op = *opp;
if( EXPECT(op == 0, 0) ) {
maybe_finalize();
op = (ptr_t)GC_clear_stack(
GC_generic_malloc_words_small_inner(lw, GC_gcj_kind));
if (0 == op) {
UNLOCK();
return GC_oom_fn(WORDS_TO_BYTES(lw));
}
} else {
*opp = obj_link(op);
GC_words_allocd += lw;
}
*(void **)op = ptr_to_struct_containing_descr;
UNLOCK();
return((GC_PTR) op);
}
GC_API void * GC_CALL GC_finalized_malloc(size_t lb,
const struct GC_finalizer_closure *fclos)
#endif
{
ptr_t op;
word lg;
DCL_LOCK_STATE;
lb += sizeof(void *);
GC_ASSERT(done_init);
if (SMALL_OBJ(lb)) {
GC_DBG_COLLECT_AT_MALLOC(lb);
lg = GC_size_map[lb];
LOCK();
op = GC_finalized_objfreelist[lg];
if (EXPECT(0 == op, FALSE)) {
UNLOCK();
op = GC_generic_malloc(lb, GC_finalized_kind);
if (NULL == op)
return NULL;
/* GC_generic_malloc has extended the size map for us. */
lg = GC_size_map[lb];
} else {
GC_finalized_objfreelist[lg] = obj_link(op);
obj_link(op) = 0;
GC_bytes_allocd += GRANULES_TO_BYTES(lg);
UNLOCK();
}
GC_ASSERT(lg > 0);
((const void **)op)[GRANULES_TO_WORDS(lg) - 1] = fclos;
} else {
size_t op_sz;
op = GC_generic_malloc(lb, GC_finalized_kind);
if (NULL == op)
return NULL;
op_sz = GC_size(op);
GC_ASSERT(op_sz >= lb);
((const void **)op)[op_sz / sizeof(void *) - 1] = fclos;
}
return GC_clear_stack(op);
}
