test/hotspot/jtreg/runtime/handshake/HandshakeWalkStackFallbackTest.java
author rehn
Thu, 31 Aug 2017 10:00:28 +0200
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child 48791 6e079ff6c83c
permissions -rw-r--r--
8189941: Implementation JEP 312: Thread-local handshake Summary: Introduce a way to execute a callback on threads without performing a global VM safepoint. Make it both possible and cheap to stop individual threads and not just all threads or none. Reviewed-by: mdoerr, neliasso, acorn, aph, coleenp, dholmes Contributed-by: mikael.gerdin@oracle.com, erik.osterlund@oracle.com, robbin.ehn@oracle.com
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/*
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 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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/*
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 * @test HandshakeWalkStackFallbackTest
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 * @summary This test the global safepoint fallback path for handshakes
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 * @library /testlibrary /test/lib
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 * @build HandshakeWalkStackTest
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 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-ThreadLocalHandshakes HandshakeWalkStackTest
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 */
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