Mercurial > hg > graal-compiler
view src/share/vm/utilities/array.cpp @ 7471:4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
Summary: Print an error message and exit the VM if UseParallalGC is combined with ParllelGCThreads==0. Also reviewed by vitalyd@gmail.com.
Reviewed-by: stefank, ehelin
author | brutisso |
---|---|
date | Wed, 09 Jan 2013 09:48:58 +0100 |
parents | f34d701e952e |
children |
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/* * Copyright (c) 2000, 2012, 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 "memory/resourceArea.hpp" #include "runtime/thread.inline.hpp" #include "utilities/array.hpp" #ifdef ASSERT void ResourceArray::init_nesting() { _nesting = Thread::current()->resource_area()->nesting(); } #endif void ResourceArray::sort(size_t esize, ftype f) { if (!is_empty()) qsort(_data, length(), esize, f); } template <MEMFLAGS F> void CHeapArray<F>::sort(size_t esize, ftype f) { if (!is_empty()) qsort(_data, length(), esize, f); } void ResourceArray::expand(size_t esize, int i, int& size) { // make sure we are expanding within the original resource mark assert( _nesting == Thread::current()->resource_area()->nesting(), "allocating outside original resource mark" ); // determine new size if (size == 0) size = 4; // prevent endless loop while (i >= size) size *= 2; // allocate and initialize new data section void* data = resource_allocate_bytes(esize * size); memcpy(data, _data, esize * length()); _data = data; } template <MEMFLAGS F> void CHeapArray<F>::expand(size_t esize, int i, int& size) { // determine new size if (size == 0) size = 4; // prevent endless loop while (i >= size) size *= 2; // allocate and initialize new data section void* data = NEW_C_HEAP_ARRAY(char*, esize * size, F); memcpy(data, _data, esize * length()); FREE_C_HEAP_ARRAY(char*, _data, F); _data = data; } void ResourceArray::remove_at(size_t esize, int i) { assert(0 <= i && i < length(), "index out of bounds"); _length--; void* dst = (char*)_data + i*esize; void* src = (char*)dst + esize; size_t cnt = (length() - i)*esize; memmove(dst, src, cnt); } template <MEMFLAGS F> void CHeapArray<F>::remove_at(size_t esize, int i) { assert(0 <= i && i < length(), "index out of bounds"); _length--; void* dst = (char*)_data + i*esize; void* src = (char*)dst + esize; size_t cnt = (length() - i)*esize; memmove(dst, src, cnt); }