extern DECLARE_THREAD_LOCAL(tid_, int);
int nbd_thread_create (pthread_t *restrict thread, int thread_id, void *(*start_routine)(void *), void *restrict arg);
extern DECLARE_THREAD_LOCAL(tid_, int);
int nbd_thread_create (pthread_t *restrict thread, int thread_id, void *(*start_routine)(void *), void *restrict arg);