From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- libjava/gnu/gcj/util/GCInfo.java | 79 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 libjava/gnu/gcj/util/GCInfo.java (limited to 'libjava/gnu/gcj/util/GCInfo.java') diff --git a/libjava/gnu/gcj/util/GCInfo.java b/libjava/gnu/gcj/util/GCInfo.java new file mode 100644 index 000000000..73f4718f9 --- /dev/null +++ b/libjava/gnu/gcj/util/GCInfo.java @@ -0,0 +1,79 @@ +/* GCInfo.java -- Support for creating heap dumps. + Copyright (C) 2007 Free Software Foundation + + This file is part of libgcj. + + This software is copyrighted work licensed under the terms of the + Libgcj License. Please consult the file "LIBGCJ_LICENSE" for + details. */ + +package gnu.gcj.util; + +public class GCInfo +{ + private GCInfo() + { + } + + /** + * @throws SecurityException if there is a SecurityManager installed + * and UtilPermission("dumpHeap") is not granted. + */ + private static void checkPermission() + { + SecurityManager sm = System.getSecurityManager(); + if (sm != null) + sm.checkPermission(new UtilPermission("dumpHeap")); + } + + + /** + * Dump a description of the heap state. + * + * @param namePrefix The filename prefix for the dump files. + * + * @throws SecurityException if there is a SecurityManager installed + * and UtilPermission("dumpHeap") is not granted. + */ + public static synchronized void dump(String name) + { + checkPermission(); + dump0(name); + } + + private static native void dump0(String name); + + + /** + * Create a heap dump. + * + * @param namePrefix The filename prefix for the dump files. + * + * @throws SecurityException if there is a SecurityManager installed + * and UtilPermission("dumpHeap") is not granted. + */ + public static synchronized void enumerate(String namePrefix) + { + checkPermission(); + enumerate0(namePrefix); + } + + private static native void enumerate0(String namePrefix); + + /** + * Cause a heap dump if out-of-memory condition occurs. + * + * @param namePrefix The filename prefix for the dump files. If + * null no dumps are created. + * + * @throws SecurityException if there is a SecurityManager installed + * and UtilPermission("dumpHeap") is not granted. + */ + public static synchronized void setOOMDump(String namePrefix) + { + checkPermission(); + setOOMDump0(namePrefix); + } + + private static native void setOOMDump0(String namePrefix); +} -- cgit v1.2.3