globals_linux.hpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25//
26// Defines Linux specific flags. They are not available on other platforms.
27//
28#define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
29  product(bool, UseOprofile, false,                                 \
30        "enable support for Oprofile profiler")                     \
31                                                                    \
32  product(bool, UseLinuxPosixThreadCPUClocks, false,                \
33          "enable fast Linux Posix clocks where available")         \
34
35
36//
37// Defines Linux-specific default values. The flags are available on all
38// platforms, but they may have different default values on other platforms.
39//
40define_pd_global(bool, UseLargePages, false);
41define_pd_global(bool, UseLargePagesIndividualAllocation, false);
42define_pd_global(bool, UseOSErrorReporting, false);
43define_pd_global(bool, UseThreadPriorities, true) ;
44