Quellcode-Bibliothek gcLocker.inline.hpp
Sprache: C
/* * Copyright (c) 2000, 2019, 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 * or visit www.oracle.com if you need additional information or have any * questions. *
*/
void GCLocker::lock_critical(JavaThread* thread) { if (!thread->in_critical()) { if (needs_gc()) { // jni_lock call calls enter_critical under the lock so that the // global lock count and per thread count are in agreement.
jni_lock(thread); return;
}
increment_debug_jni_lock_count();
}
thread->enter_critical();
}
void GCLocker::unlock_critical(JavaThread* thread) { if (thread->in_last_critical()) { if (needs_gc()) { // jni_unlock call calls exit_critical under the lock so that // the global lock count and per thread count are in agreement.
jni_unlock(thread); return;
}
decrement_debug_jni_lock_count();
}
thread->exit_critical();
}
#endif// SHARE_GC_SHARED_GCLOCKER_INLINE_HPP
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