sig_cond_wait
extern int sig_cond_wait(cond_t *, mutex_t *);
extern int sig_cond_wait(cond_t *, mutex_t *);
error = sig_cond_wait(&aiowp->work_idle_cv,
uerrno = sig_cond_wait(&_aio_iowait_cv,
err = sig_cond_wait(&head->lio_cond_cv,
err = sig_cond_wait(&head->lio_cond_cv,
cv_err = sig_cond_wait(&_aio_iowait_cv, &__aio_mutex);
error = sig_cond_wait(&_aio_waitn_cv, &__aio_mutex);
(void) sig_cond_wait(&tcdp->tcd_cv, &tcdp->tcd_lock);
(void) sig_cond_wait(&tcdp->tcd_cv, &tcdp->tcd_lock);
(void) sig_cond_wait(&tpool->tp_workcv,
(void) sig_cond_wait(&tpool->tp_waitcv, &tpool->tp_mutex);
(void) sig_cond_wait(&tpool->tp_busycv, &tpool->tp_mutex);
(void) sig_cond_wait(&tpool->tp_waitcv, &tpool->tp_mutex);