jdk-24/hotspot/src/share/vm/memory/gcLocker.inline.hpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
#define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP

#include "memory/gcLocker.hpp"

inline void GC_locker::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();
}

inline void GC_locker::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_VM_MEMORY_GCLOCKER_INLINE_HPP