C++ (Cpp) _dbus_print_backtrace Examples

Example #1

File: dbus-memory.c Project: 325116067/semc-qsd8x50

/**
 * Called when about to alloc some memory; if
 * it returns #TRUE, then the allocation should
 * fail. If it returns #FALSE, then the allocation
 * should not fail.
 *
 * @returns #TRUE if this alloc should fail
 */
dbus_bool_t
_dbus_decrement_fail_alloc_counter (void)
{
  _dbus_initialize_malloc_debug ();
  
  if (fail_alloc_counter <= 0)
    {
      if (backtrace_on_fail_alloc)
        _dbus_print_backtrace ();

      _dbus_verbose ("failure %d\n", n_failures_this_failure);
      
      n_failures_this_failure += 1;
      if (n_failures_this_failure >= n_failures_per_failure)
        {
          if (fail_nth >= 0)
            fail_alloc_counter = fail_nth;
          else
            fail_alloc_counter = _DBUS_INT_MAX;

          n_failures_this_failure = 0;

          _dbus_verbose ("reset fail alloc counter to %d\n", fail_alloc_counter);
        }
      
      return TRUE;
    }
  else
    {
      fail_alloc_counter -= 1;
      return FALSE;
    }
}

Example #2

File: dbus-memory.c Project: mirsal/dbus

/**
 * Called when about to alloc some memory; if
 * it returns #TRUE, then the allocation should
 * fail. If it returns #FALSE, then the allocation
 * should not fail.
 *
 * @returns #TRUE if this alloc should fail
 */
dbus_bool_t
_dbus_decrement_fail_alloc_counter (void)
{
  _dbus_initialize_malloc_debug ();
#ifdef DBUS_WIN_FIXME
  {
    static dbus_bool_t called = 0;

    if (!called)
      {
        _dbus_verbose("TODO: memory allocation testing errors disabled for now\n");
        called = 1;
      }
    return FALSE;
  }
#endif

  if (fail_alloc_counter <= 0)
    {
      if (backtrace_on_fail_alloc)
        _dbus_print_backtrace ();

      _dbus_verbose ("failure %d\n", n_failures_this_failure);
      
      n_failures_this_failure += 1;
      if (n_failures_this_failure >= n_failures_per_failure)
        {
          if (fail_nth >= 0)
            fail_alloc_counter = fail_nth;
          else
            fail_alloc_counter = _DBUS_INT_MAX;

          n_failures_this_failure = 0;

          _dbus_verbose ("reset fail alloc counter to %d\n", fail_alloc_counter);
        }
      
      return TRUE;
    }
  else
    {
      fail_alloc_counter -= 1;
      return FALSE;
    }
}

Example #3

File: dbus-sysdeps.c Project: 13824125580/hello-world

/**
 * Aborts the program with SIGABRT (dumping core).
 */
void
_dbus_abort (void)
{
  const char *s;
  
  _dbus_print_backtrace ();
  
  s = _dbus_getenv ("DBUS_BLOCK_ON_ABORT");
  if (s && *s)
    {
      /* don't use _dbus_warn here since it can _dbus_abort() */
      fprintf (stderr, "  Process %lu sleeping for gdb attach\n", _dbus_pid_for_log ());
      _dbus_sleep_milliseconds (1000 * 180);
    }
  
  abort ();
  _dbus_exit (1); /* in case someone manages to ignore SIGABRT ? */
}