jdk/src/hotspot/os/posix/gc/x/xUtils_posix.cpp
Stefan Karlsson d20034b09c 8307058: Implementation of Generational ZGC
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org>
Co-authored-by: Per Liden <pliden@openjdk.org>
Co-authored-by: Stefan Johansson <sjohanss@openjdk.org>
Co-authored-by: Albert Mingkun Yang <ayang@openjdk.org>
Co-authored-by: Erik Helin <ehelin@openjdk.org>
Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org>
Co-authored-by: Nils Eliasson <neliasso@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Leslie Zhai <lzhai@openjdk.org>
Co-authored-by: Fei Yang <fyang@openjdk.org>
Co-authored-by: Yadong Wang <yadongwang@openjdk.org>
Reviewed-by: eosterlund, aboldtch, rcastanedalo
2023-05-11 13:59:37 +00:00

44 lines
1.5 KiB
C++

/*
* Copyright (c) 2015, 2023, 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/x/xUtils.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"
#include <stdlib.h>
uintptr_t XUtils::alloc_aligned(size_t alignment, size_t size) {
void* res = nullptr;
// Use raw posix_memalign as long as we have no wrapper for it
ALLOW_C_FUNCTION(::posix_memalign, int rc = posix_memalign(&res, alignment, size);)
if (rc != 0) {
fatal("posix_memalign() failed");
}
memset(res, 0, size);
return (uintptr_t)res;
}