/* * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #include "precompiled.hpp" #include "gc/z/zArray.inline.hpp" #include "gc/z/zNMethodAllocator.hpp" #include "memory/allocation.hpp" ZArray ZNMethodAllocator::_deferred_frees; bool ZNMethodAllocator::_defer_frees(false); void ZNMethodAllocator::immediate_free(void* data) { FREE_C_HEAP_ARRAY(uint8_t, data); } void ZNMethodAllocator::deferred_free(void* data) { _deferred_frees.add(data); } void* ZNMethodAllocator::allocate(size_t size) { return NEW_C_HEAP_ARRAY(uint8_t, size, mtGC); } void ZNMethodAllocator::free(void* data) { if (data == NULL) { return; } if (_defer_frees) { deferred_free(data); } else { immediate_free(data); } } void ZNMethodAllocator::activate_deferred_frees() { assert(_deferred_frees.is_empty(), "precondition"); _defer_frees = true; } void ZNMethodAllocator::deactivate_and_process_deferred_frees() { _defer_frees = false; ZArrayIterator iter(&_deferred_frees); for (void* data; iter.next(&data);) { immediate_free(data); } _deferred_frees.clear(); }