Quelle safepointVerifiers.hpp Sprache: C

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#ifndef SHARE_RUNTIME_SAFEPOINTVERIFIERS_HPP
#define SHARE_RUNTIME_SAFEPOINTVERIFIERS_HPP

#include "memory/allocation.hpp"
#include "runtime/javaThread.hpp"

// A NoSafepointVerifier object will throw an assertion failure if
// the current thread passes a possible safepoint while this object is
// instantiated. A safepoint, will either be: an oop allocation, blocking
// on a Mutex or JavaLock, or executing a VM operation.
//
class NoSafepointVerifier : public StackObj {
friend class PauseNoSafepointVerifier;

private:
  Thread *_thread;
public:
  NoSafepointVerifier()  NOT_DEBUG_RETURN;
  ~NoSafepointVerifier() NOT_DEBUG_RETURN;
};

// A PauseNoSafepointVerifier is used to temporarily pause the
// behavior of a NoSafepointVerifier object.

class PauseNoSafepointVerifier : public StackObj {
private:
  NoSafepointVerifier* _nsv;

public:
  PauseNoSafepointVerifier(NoSafepointVerifier* nsv) NOT_DEBUG_RETURN;
  ~PauseNoSafepointVerifier() NOT_DEBUG_RETURN;
};

#endif // SHARE_RUNTIME_SAFEPOINTVERIFIERS_HPP

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