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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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.
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package sun.jvm.hotspot.debugger.bsd;

import sun.jvm.hotspot.debugger.*;

class BsdThread implements ThreadProxy {
    private BsdDebugger debugger;
    private int         thread_id;
    private long        unique_thread_id;

    
The address argument must be the address of the _thread_id in the OSThread. It's value is result ::gettid() call.
/** The address argument must be the address of the _thread_id in the OSThread. It's value is result ::gettid() call. */
BsdThread(BsdDebugger debugger, Address threadIdAddr, Address uniqueThreadIdAddr) { this.debugger = debugger; // FIXME: size of data fetched here should be configurable. // However, making it so would produce a dependency on the "types" // package from the debugger package, which is not desired. this.thread_id = (int) threadIdAddr.getCIntegerAt(0, 4, true); this.unique_thread_id = uniqueThreadIdAddr.getCIntegerAt(0, 8, true); } BsdThread(BsdDebugger debugger, long id) { this.debugger = debugger; // use unique_thread_id to identify thread this.unique_thread_id = id; } public boolean equals(Object obj) { if ((obj == null) || !(obj instanceof BsdThread)) { return false; } return (((BsdThread) obj).unique_thread_id == unique_thread_id); } public int hashCode() { return thread_id; } public String toString() { return Integer.toString(thread_id); } public ThreadContext getContext() throws IllegalThreadStateException { long[] data = debugger.getThreadIntegerRegisterSet(unique_thread_id); ThreadContext context = BsdThreadContextFactory.createThreadContext(debugger); // null means we failed to get the register set for some reason. The caller // is responsible for dealing with the set of null registers in that case. if (data != null) { for (int i = 0; i < data.length; i++) { context.setRegister(i, data[i]); } } return context; } public boolean canSetContext() throws DebuggerException { return false; } public void setContext(ThreadContext context) throws IllegalThreadStateException, DebuggerException { throw new DebuggerException("Unimplemented"); }
this is not interface function, used in core file to get unique thread id on Macosx
/** this is not interface function, used in core file to get unique thread id on Macosx*/
public long getUniqueThreadId() { return unique_thread_id; } }