src/hotspot/os_cpu/linux_x86/gc/z/zBackingPath_linux_x86.hpp
author pliden
Thu, 25 Apr 2019 08:55:50 +0200
changeset 54617 24f6b0e413a0
parent 53244 9807daeb47c4
permissions -rw-r--r--
8221786: ZGC: Increase max heap size to 16TB Reviewed-by: stefank
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/*
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 * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef OS_CPU_LINUX_X86_GC_Z_ZBACKINGPATH_LINUX_X86_HPP
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#define OS_CPU_LINUX_X86_GC_Z_ZBACKINGPATH_LINUX_X86_HPP
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#include "gc/z/zArray.hpp"
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#include "memory/allocation.hpp"
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class ZBackingPath : public StackObj {
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private:
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  char* _path;
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  char* get_mountpoint(const char* line,
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                       const char* filesystem) const;
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  void get_mountpoints(const char* filesystem,
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                       ZArray<char*>* mountpoints) const;
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  void free_mountpoints(ZArray<char*>* mountpoints) const;
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  char* find_preferred_mountpoint(const char* filesystem,
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                                  ZArray<char*>* mountpoints,
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                                  const char** preferred_mountpoints) const;
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  char* find_mountpoint(const char* filesystem,
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                        const char** preferred_mountpoints) const;
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public:
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  ZBackingPath(const char* filesystem, const char** preferred_mountpoints);
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  ~ZBackingPath();
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  const char* get() const;
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};
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#endif // OS_CPU_LINUX_X86_GC_Z_ZBACKINGPATH_LINUX_X86_HPP