Shared Library

The shared library is just a trivial implementation of the native method 'WorldOfC'. The function simply returns zero. Within the function a C++ exception is thrown and caught. The library consists of a header file Test.h and implementation file called Test.cpp

This is the header file (as generated by the javah tool):

/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class Test */

#ifndef _Included_Test
#define _Included_Test
#ifdef __cplusplus
extern "C" {
#endif
/*
 * Class:     Test
 * Method:    WorldOfC
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_Test_WorldOfC
  (JNIEnv *, jobject);
#ifdef __cplusplus
}
#endif
#endif

The Test.cpp file contains the actual implementation of the function:

#include "Test.h"

// Dilbert is just a dummy class that we 
// will throw and catch.
class Dilbert
{
public:
   Dilbert() {}
   ~Dilbert() {}

   Dilbert(const Dilbert& Orig) {}
private:
   Dilbert& operator=(const Dilbert& Orig);
};

JNIEXPORT jint JNICALL Java_Test_WorldOfC
(
   JNIEnv* env,
   jobject object
)
{
   try
   {
      throw Dilbert();
   }
   catch (const Dilbert& D)
   {
     // We don't actually do anything with
     // the exception, we just need to confirm
     // the code will not cause a segmentation fault.
   }
   return 0;
}

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Shared Library