static int triggerPipe = -1;

/*
 * The notifierMutex locks access to all of the global notifier state.
 */

pthread_mutex_t notifierInitMutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t notifierMutex     = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t notifierInitMutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t notifierMutex     = PTHREAD_MUTEX_INITIALIZER;
/*
 * The following static indicates if the notifier thread is running.
 *
 * You must hold the notifierInitMutex before accessing this variable.
 */

static int notifierThreadRunning = 0;