This probe injects a C++ exception.

test.cpp:

--------

#include <iostream>

#include <stdexcept>

using namespace std;

void report_error( const char* msg )

{

  throw runtime_error( msg );

}

void print_msg( const char* msg )

{

  cout << "msg: " << string(msg) << endl;

}

void test( int p )

{

  if ( p == 0 )

  {

    report_error( "test: bad parameter" );

  }

}

int main()

{

  print_msg( "from main");

  try

  {

    test( 0 );

  }

  catch( const exception& e )

  {

    cout << "Caught:" << e.what() << endl;

  }

  return 0;

}

apc:

---

#include <unistd.h>

probe thread

{

  probe extern:"::test(int)"

  {

    on_entry

    {

      log( "OK ", $p );

      sleep(10);

      $print_msg( "from probe" );

      $report_error( "fault injection" );

    }

  }

}