69 	mutex_enter(&p->p_sessp->s_lock);  in sess_hold()
71 	mutex_exit(&p->p_sessp->s_lock);  in sess_hold()
79 	mutex_enter(&sp->s_lock);  in sess_rele()
83 		mutex_exit(&sp->s_lock);  in sess_rele()
122 	mutex_destroy(&sp->s_lock);  in sess_rele()
140 		mutex_enter(&sp->s_lock);	/* protect sp->* */  in tty_hold()
163 		if (!cv_wait_sig(&sp->s_exit_cv, &sp->s_lock))  in tty_hold()
171 		mutex_exit(&sp->s_lock);  in tty_hold()
181 	mutex_exit(&sp->s_lock);  in tty_hold()
192 	mutex_enter(&sp->s_lock);  in tty_rele()
195 	mutex_exit(&sp->s_lock);  in tty_rele()
208 	mutex_init(&sp->s_lock, NULL, MUTEX_DEFAULT, NULL);  in sess_create()
258 	    MUTEX_HELD(&sp->s_lock));  in sess_ctty_clear()
278 	    MUTEX_HELD(&p->p_splock) && MUTEX_HELD(&sp->s_lock));  in sess_ctty_set()
321 		mutex_enter(&sp->s_lock);	/* protects sp->* */  in strctty()
327 			mutex_exit(&sp->s_lock);  in strctty()
353 		if (!cv_wait_sig(&sp->s_cnt_cv, &sp->s_lock))  in strctty()
355 		mutex_exit(&sp->s_lock);  in strctty()
365 	mutex_exit(&sp->s_lock);  in strctty()
393 	mutex_enter(&sp->s_lock);		/* protect sp->* */  in freectty_lock()
397 		mutex_exit(&sp->s_lock);  in freectty_lock()
429 	mutex_exit(&sp->s_lock);  in freectty_lock()
437 	mutex_enter(&sp->s_lock);		/* protects sp->* */  in freectty_lock()
449 		mutex_exit(&sp->s_lock);  in freectty_lock()
493 	    MUTEX_HELD(&p->p_splock) && MUTEX_HELD(&sp->s_lock));  in freectty_signal()
512 	mutex_exit(&sp->s_lock);  in freectty_signal()
607 			cv_wait(&sp->s_cnt_cv, &sp->s_lock);  in freectty()
608 			mutex_exit(&sp->s_lock);  in freectty()
612 		if (!cv_wait_sig(&sp->s_cnt_cv, &sp->s_lock)) {  in freectty()
616 		mutex_exit(&sp->s_lock);  in freectty()
640 	mutex_exit(&sp->s_lock);  in freectty()
690 	mutex_enter(&sp->s_lock);	/* protects sp->* */  in cttydev()
695 	mutex_exit(&sp->s_lock);  in cttydev()