--- /dev/null 2016-12-30 14:52:30.584485998 -0500 +++ new/src/hotspot/os/linux/osContainer_linux.hpp 2017-10-20 09:45:33.024300002 -0400 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2017, 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. + * + */ + +#ifndef OS_LINUX_VM_OSCONTAINER_LINUX_HPP +#define OS_LINUX_VM_OSCONTAINER_LINUX_HPP + +#include "utilities/globalDefinitions.hpp" +#include "utilities/macros.hpp" +#include "memory/allocation.hpp" + +#define OSCONTAINER_ERROR (-2) + +class OSContainer: AllStatic { + + private: + static bool _is_initialized; + static bool _is_containerized; + + public: + static void init(); + static inline bool is_containerized(); + static char * container_type(); + + static jlong memory_limit_in_bytes(); + static jlong memory_and_swap_limit_in_bytes(); + static jlong memory_soft_limit_in_bytes(); + static jlong memory_usage_in_bytes(); + static jlong memory_max_usage_in_bytes(); + + static int active_processor_count(); + + static char * cpu_cpuset_cpus(); + static char * cpu_cpuset_memory_nodes(); + + static int cpu_quota(); + static int cpu_period(); + + static int cpu_shares(); + +}; + +inline bool OSContainer::is_containerized() { + assert(_is_initialized, "OSContainer not initialized"); + return _is_containerized; +} + +#endif // OS_LINUX_VM_OSCONTAINER_LINUX_HPP