hotspot/src/share/vm/memory/gcLocker.inline.hpp
author sjohanss
Thu, 13 Feb 2014 10:05:03 +0100
changeset 23540 06f7d6e1f654
parent 11793 49aa0b2124b6
permissions -rw-r--r--
8028498: runtime/SharedArchiveFile/CdsDifferentObjectAlignment.java asserts in RT_Baseline Summary: Preventing GCs to occur before VM is completely initialized. This was previously partly done by one part of the GC locker which not was removed. Reviewed-by: coleenp, pliden

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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