QDianaProcessStatus.cc

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/*
* APOLLO: A complete DAQ and Online Data Analysis Framework for Diana 
* $Id: QDianaProcessStatus.cc 557 2006-12-14 17:00:51Z giacher $
* M.P. created 26/5/4
* 
* Class QDianaProcessStatus: class that describes the status of a process
* and provides the signal handler for the relevant signals.
* For the description of the signal table and its meaning see 
* header file QDianaProcessStatus.hh
*
*/
 
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <string>
#include <iostream>
#include "QDianaProcessStatus.hh"
 
 
QDianaProcessStatus& QDianaProcessStatus::GetInstance()
{
  static QDianaProcessStatus instance;
  return instance;
}
 
 
// ctor
QDianaProcessStatus::QDianaProcessStatus() : 
  QNamed( ""), 
  QId( ::getpid() ), 
  state(QRunning_s) {
  
  signal(SIGINT,ProcessControlSignalHandler);  // die
  //  signal(SIGSEGV,ProcessControlSignalHandler); // error 
  //  signal(SIGFPE,ProcessControlSignalHandler);  // error 
    
  std::string s1("");
  SetError(s1);
}
 
void ProcessControlSignalHandler( int SignalId ) {
  QDianaProcessStatus &s = QDianaProcessStatus::GetInstance();
      
//   // SIGSEGV, SIGFPE: set status to QError_s and set error string
//   if ( SignalId == SIGSEGV || SignalId == SIGFPE ) {
//     s.SetState( QDianaProcessStatus::QError_s );
//     if(SIGSEGV == SignalId) {
//       s1 = "Segmentation Violation Detected";
//       s.SetError(s1);
//     }
//     if(SIGFPE == SignalId) {
//       s1 = "Floating Point Exception Detected";
//       s.SetError(s1);
//     }
//     return;
//   }
 
 
  // SIGINT set status to QExiting
  if ( SIGINT == SignalId ) {
    s.SetState( QDianaProcessStatus::QExiting_s );
    return;
  }
    
}