Exemple #1
0
void
erts_cleanup_offheap(ErlOffHeap *offheap)
{
    union erl_off_heap_ptr u;

    for (u.hdr = offheap->first; u.hdr; u.hdr = u.hdr->next) {
	switch (thing_subtag(u.hdr->thing_word)) {
	case REFC_BINARY_SUBTAG:
            erts_bin_release(u.pb->val);
	    break;
	case FUN_SUBTAG:
	    if (erts_refc_dectest(&u.fun->fe->refc, 0) == 0) {
		erts_erase_fun_entry(u.fun->fe);		    
	    }
	    break;
	case REF_SUBTAG:
	    ASSERT(is_magic_ref_thing(u.hdr));
            erts_bin_release((Binary *)u.mref->mb);
	    break;
	default:
	    ASSERT(is_external_header(u.hdr->thing_word));
	    erts_deref_node_entry(u.ext->node);
	    break;
	}
    }
}
Exemple #2
0
static void
insert_offheap(ErlOffHeap *oh, int type, Eterm id)
{
    union erl_off_heap_ptr u;
    struct insert_offheap2_arg a;
    a.type = BIN_REF;

    for (u.hdr = oh->first; u.hdr; u.hdr = u.hdr->next) {
	switch (thing_subtag(u.hdr->thing_word)) {
	case REFC_BINARY_SUBTAG:
	    if(IsMatchProgBinary(u.pb->val)) {
		InsertedBin *ib;
		int insert_bin = 1;
		for (ib = inserted_bins; ib; ib = ib->next)
		    if(ib->bin_val == u.pb->val) {
			insert_bin = 0;
			break;
		    }
		if (insert_bin) {
#if HALFWORD_HEAP
		    UWord val = (UWord) u.pb->val;
		    DeclareTmpHeapNoproc(id_heap,BIG_UINT_HEAP_SIZE*2); /* extra place allocated */
#else
		    DeclareTmpHeapNoproc(id_heap,BIG_UINT_HEAP_SIZE);
#endif
		    Uint *hp = &id_heap[0];
		    InsertedBin *nib;
#if HALFWORD_HEAP
		    int actual_need = BIG_UWORD_HEAP_SIZE(val);
		    ASSERT(actual_need <= (BIG_UINT_HEAP_SIZE*2));
		    UseTmpHeapNoproc(actual_need);
		    a.id = erts_bld_uword(&hp, NULL, (UWord) val);
#else
		    UseTmpHeapNoproc(BIG_UINT_HEAP_SIZE);
		    a.id = erts_bld_uint(&hp, NULL, (Uint) u.pb->val);
#endif
		    erts_match_prog_foreach_offheap(u.pb->val,
						    insert_offheap2,
						    (void *) &a);
		    nib = erts_alloc(ERTS_ALC_T_NC_TMP, sizeof(InsertedBin));
		    nib->bin_val = u.pb->val;
		    nib->next = inserted_bins;
		    inserted_bins = nib;
#if HALFWORD_HEAP
		    UnUseTmpHeapNoproc(actual_need);
#else
		    UnUseTmpHeapNoproc(BIG_UINT_HEAP_SIZE);
#endif
		}
	    }		
	    break;
	case FUN_SUBTAG:
	    break; /* No need to */
	default:
	    ASSERT(is_external_header(u.hdr->thing_word));
	    insert_node(u.ext->node, type, id);
	    break;
	}
    }
}