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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
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Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
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diff --git a/libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java b/libjava/gnu/java/lang/management/VMThreadMXBeanImpl.java
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-/* VMThreadMXBeanImpl.java - VM impl. of a thread bean
- Copyright (C) 2006 Free Software Foundation
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package gnu.java.lang.management;
-
-import java.lang.management.ThreadInfo;
-
-/**
- * Provides access to information about the threads
- * of the virtual machine. An instance of this bean is
- * obtained by calling
- * {@link ManagementFactory#getThreadMXBean()}.
- * See {@link java.lang.management.ThreadMXBean} for
- * full documentation.
- *
- * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
- * @since 1.5
- */
-final class VMThreadMXBeanImpl
-{
-
- /**
- * Cache of how many threads were found.
- */
- private static int filled;
-
- /**
- * Returns the ids of cycles of deadlocked threads, occurring
- * due to monitor ownership or ownable synchronizer ownership.
- * This will only be called if ownable synchronizer monitoring
- * is supported.
- *
- * @return the ids of the deadlocked threads.
- */
- static native long[] findDeadlockedThreads();
-
- /**
- * Returns the ids of cycles of deadlocked threads, occurring
- * due to monitor ownership.
- *
- * @return the ids of the deadlocked threads.
- */
- static native long[] findMonitorDeadlockedThreads();
-
- /* This is the same as in Thread.getAllStackTraces() */
- static Thread[] getAllThreads()
- {
- ThreadGroup group = Thread.currentThread().getThreadGroup();
- while (group.getParent() != null)
- group = group.getParent();
- int arraySize = group.activeCount();
- Thread[] threadList = new Thread[arraySize];
- filled = group.enumerate(threadList);
- while (filled == arraySize)
- {
- arraySize *= 2;
- threadList = new Thread[arraySize];
- filled = group.enumerate(threadList);
- }
- return threadList;
- }
-
- /**
- * Returns the id of all live threads at the time of execution.
- *
- * @return the live thread ids.
- */
- static long[] getAllThreadIds()
- {
- Thread[] threadList = getAllThreads();
- long[] ids = new long[filled];
- for (int a = 0; a < filled; ++a)
- ids[a] = threadList[a].getId();
- return ids;
- }
-
- /**
- * Returns the number of nanoseconds of CPU time
- * the current thread has used in total. This is
- * only called if this feature is enabled and
- * supported.
- *
- * @return the nanoseconds of CPU time used by
- * the current thread.
- */
- static native long getCurrentThreadCpuTime();
-
- /**
- * Returns the number of nanoseconds of user time
- * the current thread has used in total. This is
- * only called if this feature is enabled and
- * supported.
- *
- * @return the nanoseconds of user time used by
- * the current thread.
- */
- static native long getCurrentThreadUserTime();
-
- /**
- * Returns the number of live daemon threads.
- *
- * @return the number of live daemon threads.
- */
- static int getDaemonThreadCount()
- {
- Thread[] threadList = getAllThreads();
- int daemonCount = 0;
- for (int a = 0; a < filled; ++a)
- {
- if (threadList[a].isDaemon())
- ++daemonCount;
- }
- return daemonCount;
- }
-
- /**
- * Fill out the given {@link ThreadInfo} object
- * with ownable synchronizer usage information.
- * This is only called if ownable synchronizer
- * usage monitoring is supported.
- *
- * @param info the {@link ThreadInfo} object to modify.
- */
- static native void getLockInfo(ThreadInfo info);
-
- /**
- * Fill out the given {@link ThreadInfo} object
- * with monitor usage information. This is only
- * called if monitor usage monitoring is supported.
- *
- * @param info the {@link ThreadInfo} object to modify.
- */
- static native void getMonitorInfo(ThreadInfo info);
-
- /**
- * Returns the current peak number of live threads.
- *
- * @return the peak number of live threads.
- */
- static native int getPeakThreadCount();
-
- /**
- * Returns the number of live threads.
- *
- * @return the number of live threads.
- */
- static int getThreadCount()
- {
- getAllThreads();
- return filled;
- }
-
- /**
- * Returns the number of nanoseconds of CPU time
- * the specified thread has used in total. This is
- * only called if this feature is enabled and
- * supported.
- *
- * @param id the thread to obtain statistics on.
- * @return the nanoseconds of CPU time used by
- * the thread.
- */
- static native long getThreadCpuTime(long id);
-
- /**
- * Returns the {@link java.lang.management.ThreadInfo}
- * which corresponds to the specified id.
- *
- * @param id the id of the thread.
- * @param maxDepth the depth of the stack trace.
- * @return the corresponding <code>ThreadInfo</code>.
- */
- static native ThreadInfo getThreadInfoForId(long id, int maxDepth);
-
- /**
- * Returns the number of nanoseconds of user time
- * the specified thread has used in total. This is
- * only called if this feature is enabled and
- * supported.
- *
- * @param id the thread to obtain statistics on.
- * @return the nanoseconds of user time used by
- * the thread.
- */
- static native long getThreadUserTime(long id);
-
- /**
- * Returns the total number of threads that have
- * been started over the lifetime of the virtual
- * machine.
- *
- * @return the total number of threads started.
- */
- static native long getTotalStartedThreadCount();
-
- /**
- * Resets the peak thread count to the current
- * number of live threads.
- */
- static native void resetPeakThreadCount();
-
-}