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+/*
+ * Copyright (c) 2018, 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 const 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