1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os/linux/vm/osContainer_linux.hpp Fri Jul 06 18:50:13 2018 +0000
1.3 @@ -0,0 +1,68 @@
1.4 +/*
1.5 + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef OS_LINUX_VM_OSCONTAINER_LINUX_HPP
1.29 +#define OS_LINUX_VM_OSCONTAINER_LINUX_HPP
1.30 +
1.31 +#include "utilities/globalDefinitions.hpp"
1.32 +#include "utilities/macros.hpp"
1.33 +#include "memory/allocation.hpp"
1.34 +
1.35 +#define OSCONTAINER_ERROR (-2)
1.36 +
1.37 +class OSContainer: AllStatic {
1.38 +
1.39 + private:
1.40 + static bool _is_initialized;
1.41 + static bool _is_containerized;
1.42 +
1.43 + public:
1.44 + static void init();
1.45 + static inline bool is_containerized();
1.46 + static const char * container_type();
1.47 +
1.48 + static jlong memory_limit_in_bytes();
1.49 + static jlong memory_and_swap_limit_in_bytes();
1.50 + static jlong memory_soft_limit_in_bytes();
1.51 + static jlong memory_usage_in_bytes();
1.52 + static jlong memory_max_usage_in_bytes();
1.53 +
1.54 + static int active_processor_count();
1.55 +
1.56 + static char * cpu_cpuset_cpus();
1.57 + static char * cpu_cpuset_memory_nodes();
1.58 +
1.59 + static int cpu_quota();
1.60 + static int cpu_period();
1.61 +
1.62 + static int cpu_shares();
1.63 +
1.64 +};
1.65 +
1.66 +inline bool OSContainer::is_containerized() {
1.67 + assert(_is_initialized, "OSContainer not initialized");
1.68 + return _is_containerized;
1.69 +}
1.70 +
1.71 +#endif // OS_LINUX_VM_OSCONTAINER_LINUX_HPP
