Exemple #1
0
static tb_bool_t tb_default_allocator_free(tb_allocator_ref_t self, tb_pointer_t data __tb_debug_decl__)
{
    // check
    tb_default_allocator_ref_t allocator = (tb_default_allocator_ref_t)self;
    tb_assert_and_check_return_val(allocator, tb_false);

    // check
    tb_assert_and_check_return_val(allocator->large_allocator && allocator->small_allocator && data, tb_false);

    // done
    tb_bool_t ok = tb_false;
    do
    {
        // the data head
        tb_pool_data_head_t* data_head = &(((tb_pool_data_head_t*)data)[-1]);
        tb_assertf(data_head->debug.magic == TB_POOL_DATA_MAGIC, "free invalid data: %p", data);

        // free it
        ok = (data_head->size <= TB_SMALL_ALLOCATOR_DATA_MAXN)? tb_allocator_free_(allocator->small_allocator, data __tb_debug_args__) : tb_allocator_large_free_(allocator->large_allocator, data __tb_debug_args__);

    } while (0);

    // ok?
    return ok;
}
Exemple #2
0
tb_bool_t tb_pool_free_(tb_pool_ref_t pool, tb_pointer_t data __tb_debug_decl__)
{
    // check
    tb_pool_impl_t* impl = (tb_pool_impl_t*)pool;
    tb_assert_and_check_return_val(impl, tb_false);
 
    // uses allocator?
    if (impl->allocator) return tb_allocator_free_(impl->allocator, data __tb_debug_args__);

    // check
    tb_assert_and_check_return_val(impl->large_pool && impl->small_pool && data, tb_false);

    // enter
    tb_spinlock_enter(&impl->lock);

    // done
    tb_bool_t ok = tb_false;
    do
    {
        // the data head
        tb_pool_data_head_t* data_head = &(((tb_pool_data_head_t*)data)[-1]);
        tb_assertf_break(data_head->debug.magic == TB_POOL_DATA_MAGIC, "free invalid data: %p", data);

        // free it
        ok = (data_head->size <= TB_SMALL_POOL_DATA_SIZE_MAXN)? tb_small_pool_free_(impl->small_pool, data __tb_debug_args__) : tb_large_pool_free_(impl->large_pool, data __tb_debug_args__);

    } while (0);

    // failed? dump it
#ifdef __tb_debug__
    if (!ok) 
    {
        // trace
        tb_trace_e("free(%p) failed! at %s(): %lu, %s", data, func_, line_, file_);

        // dump data
        tb_pool_data_dump((tb_byte_t const*)data, tb_true, "[pool]: [error]: ");

        // abort
        tb_abort();
    }
#endif

    // leave
    tb_spinlock_leave(&impl->lock);

    // ok?
    return ok;
}
Exemple #3
0
static tb_pointer_t tb_default_allocator_ralloc(tb_allocator_ref_t self, tb_pointer_t data, tb_size_t size __tb_debug_decl__)
{
    // check
    tb_default_allocator_ref_t allocator = (tb_default_allocator_ref_t)self;
    tb_assert_and_check_return_val(allocator, tb_null);

    // check
    tb_assert_and_check_return_val(allocator && allocator->large_allocator && allocator->small_allocator && size, tb_null);

    // done
    tb_pointer_t data_new = tb_null;
    do
    {
        // no data?
        if (!data)
        {
            // malloc it directly
            data_new = size <= TB_SMALL_ALLOCATOR_DATA_MAXN? tb_allocator_malloc_(allocator->small_allocator, size __tb_debug_args__) : tb_allocator_large_malloc_(allocator->large_allocator, size, tb_null __tb_debug_args__);
            break;
        }

        // the data head
        tb_pool_data_head_t* data_head = &(((tb_pool_data_head_t*)data)[-1]);
        tb_assertf(data_head->debug.magic == TB_POOL_DATA_MAGIC, "ralloc invalid data: %p", data);
        tb_assert_and_check_break(data_head->size);

        // small => small
        if (data_head->size <= TB_SMALL_ALLOCATOR_DATA_MAXN && size <= TB_SMALL_ALLOCATOR_DATA_MAXN)
            data_new = tb_allocator_ralloc_(allocator->small_allocator, data, size __tb_debug_args__);
        // small => large
        else if (data_head->size <= TB_SMALL_ALLOCATOR_DATA_MAXN)
        {
            // make the new data
            data_new = tb_allocator_large_malloc_(allocator->large_allocator, size, tb_null __tb_debug_args__);
            tb_assert_and_check_break(data_new);

            // copy the old data
            tb_memcpy_(data_new, data, tb_min(data_head->size, size));

            // free the old data
            tb_allocator_free_(allocator->small_allocator, data __tb_debug_args__);
        }
        // large => small
        else if (size <= TB_SMALL_ALLOCATOR_DATA_MAXN)
        {
            // make the new data
            data_new = tb_allocator_malloc_(allocator->small_allocator, size __tb_debug_args__);
            tb_assert_and_check_break(data_new);

            // copy the old data
            tb_memcpy_(data_new, data, tb_min(data_head->size, size));

            // free the old data
            tb_allocator_large_free_(allocator->large_allocator, data __tb_debug_args__);
        }
        // large => large
        else data_new = tb_allocator_large_ralloc_(allocator->large_allocator, data, size, tb_null __tb_debug_args__);

    } while (0);

    // ok?
    return data_new;
}