/* * Copyright (c) 2005, 2013, 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_GLOBALS_LINUX_HPP #define OS_LINUX_VM_GLOBALS_LINUX_HPP // // Defines Linux specific flags. They are not available on other platforms. // #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \ product(bool, UseOprofile, false, \ "enable support for Oprofile profiler") \ \ product(bool, UseLinuxPosixThreadCPUClocks, true, \ "enable fast Linux Posix clocks where available") \ /* NB: The default value of UseLinuxPosixThreadCPUClocks may be \ overridden in Arguments::parse_each_vm_init_arg. */ \ \ product(bool, UseHugeTLBFS, false, \ "Use MAP_HUGETLB for large pages") \ \ product(bool, LoadExecStackDllInVMThread, true, \ "Load DLLs with executable-stack attribute in the VM Thread") \ \ product(bool, UseSHM, false, \ "Use SYSV shared memory for large pages") // // Defines Linux-specific default values. The flags are available on all // platforms, but they may have different default values on other platforms. // define_pd_global(bool, UseLargePages, true); define_pd_global(bool, UseLargePagesIndividualAllocation, false); define_pd_global(bool, UseOSErrorReporting, false); define_pd_global(bool, UseThreadPriorities, true) ; #endif // OS_LINUX_VM_GLOBALS_LINUX_HPP