RunOnce.hh

 
#ifndef GRAMODS_CORE_RUNONCE
#define GRAMODS_CORE_RUNONCE
 
#define GM_RUNONCE(CODE)                        \
  {                                             \
  static bool _gramods_executed = false;        \
  if (!_gramods_executed) {                     \
  _gramods_executed = true;                     \
  CODE;                                         \
  }                                             \
  }
 
#define GM_RUNONCE_BEGIN                        \
  {                                             \
  static bool _gramods_executed = false;        \
  if (!_gramods_executed) {                     \
  _gramods_executed = true;
 
#define GM_RUNONCE_END }}//
 
#endif