Fri, 08 Feb 2013 12:48:24 +0100
8006423: SA: NullPointerException in sun.jvm.hotspot.debugger.bsd.BsdThread.getContext(BsdThread.java:67)
Summary: Do not rely on mach thread port names to identify threads from SA
Reviewed-by: dholmes, minqi, rbackman
1 /*
2 * Copyright (c) 2000, 2012, 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.
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23 */
25 #ifndef OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP
26 #define OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP
28 //
29 // Sets the default values for platform dependent flags used by the runtime system.
30 // (see globals.hpp)
31 //
32 define_pd_global(bool, DontYieldALot, false);
33 #ifdef AMD64
34 define_pd_global(intx, ThreadStackSize, 1024); // 0 => use system default
35 define_pd_global(intx, VMThreadStackSize, 1024);
36 #else
37 // ThreadStackSize 320 allows a couple of test cases to run while
38 // keeping the number of threads that can be created high. System
39 // default ThreadStackSize appears to be 512 which is too big.
40 define_pd_global(intx, ThreadStackSize, 320);
41 define_pd_global(intx, VMThreadStackSize, 512);
42 #endif // AMD64
44 define_pd_global(intx, CompilerThreadStackSize, 0);
45 define_pd_global(intx, SurvivorRatio, 8);
47 define_pd_global(uintx, JVMInvokeMethodSlack, 8192);
49 // Used on 64 bit platforms for UseCompressedOops base address or CDS
50 define_pd_global(uintx, HeapBaseMinAddress, 2*G);
52 #endif // OS_CPU_BSD_X86_VM_GLOBALS_BSD_X86_HPP