Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/heapRegion.inline.hpp @ 1751:2528b5bd749c
6980262: Memory leak when exception is thrown in static initializer
Summary: Use resource memory instead of c-heap for the exception message
Reviewed-by: phh, jmasa
author | kamg |
---|---|
date | Fri, 27 Aug 2010 15:05:28 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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/* * Copyright (c) 2001, 2007, 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. * */ inline HeapWord* G1OffsetTableContigSpace::allocate(size_t size) { HeapWord* res = ContiguousSpace::allocate(size); if (res != NULL) { _offsets.alloc_block(res, size); } return res; } // Because of the requirement of keeping "_offsets" up to date with the // allocations, we sequentialize these with a lock. Therefore, best if // this is used for larger LAB allocations only. inline HeapWord* G1OffsetTableContigSpace::par_allocate(size_t size) { MutexLocker x(&_par_alloc_lock); // This ought to be just "allocate", because of the lock above, but that // ContiguousSpace::allocate asserts that either the allocating thread // holds the heap lock or it is the VM thread and we're at a safepoint. // The best I (dld) could figure was to put a field in ContiguousSpace // meaning "locking at safepoint taken care of", and set/reset that // here. But this will do for now, especially in light of the comment // above. Perhaps in the future some lock-free manner of keeping the // coordination. HeapWord* res = ContiguousSpace::par_allocate(size); if (res != NULL) { _offsets.alloc_block(res, size); } return res; } inline HeapWord* G1OffsetTableContigSpace::block_start(const void* p) { return _offsets.block_start(p); } inline HeapWord* G1OffsetTableContigSpace::block_start_const(const void* p) const { return _offsets.block_start_const(p); }