jdk-24/test/hotspot/jtreg/runtime/handshake/libHandshakeTransitionTest.c
Robbin Ehn 104ecb2dd1 8189941: Implementation JEP 312: Thread-local handshake
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.

Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Reviewed-by: mdoerr, neliasso, acorn, aph, coleenp, dholmes
2017-08-31 10:00:28 +02:00

41 lines
1.3 KiB
C

/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#include <jni.h>
#ifdef WINDOWS
#include <windows.h>
#else
#include <unistd.h>
#endif
JNIEXPORT void JNICALL Java_HandshakeTransitionTest_someTime
(JNIEnv *env, jclass jc, jint ms)
{
#ifdef WINDOWS
Sleep(ms);
#else
usleep(ms*1000);
#endif
}