Пример #1
0
//--------------------------------------------------------------------------
static char *get_thr_events_str(const td_thr_events_t &set)
{
  static char buf[MAXSTR];
  char *ptr = buf;
  char *end = buf + sizeof(buf);
  for ( int i=TD_MIN_EVENT_NUM; i <= TD_MAX_EVENT_NUM; i++ )
  {
    if ( td_eventismember(&set, i) )
    {
      if ( ptr != buf )
        APPCHAR(ptr, end, ' ');
      APPEND(ptr, end, tdb_event_name(i));
    }
  }
  return buf;
}
Пример #2
0
/*
 * Threaded process initialization.
 *
 * This is only called under two conditions:
 *
 *   1) Some thread routines have detected that the library hasn't yet
 *      been initialized (_thr_initial == NULL && curthread == NULL), or
 *
 *   2) An explicit call to reinitialize after a fork (indicated
 *      by curthread != NULL)
 */
void
_libpthread_init(struct pthread *curthread)
{
	int fd, first = 0;
	sigset_t sigset, oldset;

	/* Check if this function has already been called: */
	if ((_thr_initial != NULL) && (curthread == NULL))
		/* Only initialize the threaded application once. */
		return;

	/*
	 * Check for the special case of this process running as
	 * or in place of init as pid = 1:
	 */
	if ((_thr_pid = getpid()) == 1) {
		/*
		 * Setup a new session for this process which is
		 * assumed to be running as root.
		 */
		if (setsid() == -1)
			PANIC("Can't set session ID");
		if (revoke(_PATH_CONSOLE) != 0)
			PANIC("Can't revoke console");
		if ((fd = __sys_open(_PATH_CONSOLE, O_RDWR)) < 0)
			PANIC("Can't open console");
		if (setlogin("root") == -1)
			PANIC("Can't set login to root");
		if (__sys_ioctl(fd, TIOCSCTTY, NULL) == -1)
			PANIC("Can't set controlling terminal");
	}

	/* Initialize pthread private data. */
	init_private();

	/* Set the initial thread. */
	if (curthread == NULL) {
		first = 1;
		/* Create and initialize the initial thread. */
		curthread = _thr_alloc(NULL);
		if (curthread == NULL)
			PANIC("Can't allocate initial thread");
		init_main_thread(curthread);
	}
	/*
	 * Add the thread to the thread list queue.
	 */
	THR_LIST_ADD(curthread);
	_thread_active_threads = 1;

	/* Setup the thread specific data */
	tls_set_tcb(curthread->tcb);

	if (first) {
		SIGFILLSET(sigset);
		__sys_sigprocmask(SIG_SETMASK, &sigset, &oldset);
		_thr_signal_init();
		_thr_initial = curthread;
		SIGDELSET(oldset, SIGCANCEL);
		__sys_sigprocmask(SIG_SETMASK, &oldset, NULL);
		if (td_eventismember(&_thread_event_mask, TD_CREATE))
			_thr_report_creation(curthread, curthread);
	}
}