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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/os/linux/osContainer_linux.hpp
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/*

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 * Copyright (c) 2017, 2020, 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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 */

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#ifndef OS_LINUX_OSCONTAINER_LINUX_HPP

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#define OS_LINUX_OSCONTAINER_LINUX_HPP

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#include "utilities/globalDefinitions.hpp"

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#include "utilities/macros.hpp"

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#include "memory/allocation.hpp"

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#define OSCONTAINER_ERROR (-2)

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// 20ms timeout between re-reads of memory limit and _active_processor_count.

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#define OSCONTAINER_CACHE_TIMEOUT (NANOSECS_PER_SEC/50)

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class OSContainer: AllStatic {

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 private:

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  static bool   _is_initialized;

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  static bool   _is_containerized;

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  static int    _active_processor_count;

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 public:

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  static void init();

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  static inline bool is_containerized();

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  static const char * container_type();

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  static jlong memory_limit_in_bytes();

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  static jlong memory_and_swap_limit_in_bytes();

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  static jlong memory_soft_limit_in_bytes();

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  static jlong memory_usage_in_bytes();

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  static jlong memory_max_usage_in_bytes();

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  static int active_processor_count();

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  static char * cpu_cpuset_cpus();

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  static char * cpu_cpuset_memory_nodes();

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  static int cpu_quota();

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  static int cpu_period();

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  static int cpu_shares();

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};

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inline bool OSContainer::is_containerized() {

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  return _is_containerized;

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}

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#endif // OS_LINUX_OSCONTAINER_LINUX_HPP

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