Cross Reference: /illumos-gate/usr/src/uts/common/io/signalfd.c

Lines Matching refs:state
78  * will clear out on its own.  Any remaining per-process state which remains
81  * The structures associated with signalfd state are designed to operate
132  * Protects global state in signalfd_devi, signalfd_minor, signalfd_softstate,
139 static list_t		signalfd_state;		/* global list of state */
144 signalfd_state_enter_locked(signalfd_state_t *state)
146 	ASSERT(MUTEX_HELD(&state->sfd_lock));
147 	ASSERT(state->sfd_count > 0);
148 	VERIFY(state->sfd_valid == B_TRUE);
150 	state->sfd_count++;
154 signalfd_state_release(signalfd_state_t *state, boolean_t force_invalidate)
156 	mutex_enter(&state->sfd_lock);
159 		state->sfd_valid = B_FALSE;
162 	ASSERT(state->sfd_count > 0);
163 	if (state->sfd_count == 1) {
164 		VERIFY(state->sfd_valid == B_FALSE);
165 		mutex_exit(&state->sfd_lock);
172 			list_remove(&signalfd_state, state);
176 			list_remove(&signalfd_state, state);
179 		kmem_free(state, sizeof (*state));
182 	state->sfd_count--;
183 	mutex_exit(&state->sfd_lock);
187 signalfd_wake_list_add(sigfd_proc_state_t *pstate, signalfd_state_t *state)
193 		if (pw->spw_state == state)
200 		mutex_enter(&state->sfd_lock);
201 		signalfd_state_enter_locked(state);
202 		pw->spw_state = state;
203 		mutex_exit(&state->sfd_lock);
210 signalfd_wake_list_rm(sigfd_proc_state_t *pstate, signalfd_state_t *state)
216 		if (pw->spw_state == state) {
224 		signalfd_state_release(state, B_FALSE);
242 		signalfd_state_t *state = pw->spw_state;
245 		signalfd_state_release(state, B_FALSE);
277 	signalfd_state_t *state = pw->spw_state;
280 	signalfd_state_release(state, B_FALSE);
289  * signal state elements so that we don't have to look at every file descriptor
312 		signalfd_state_t *state = pw->spw_state;
315 		mutex_enter(&state->sfd_lock);
316 		if (!state->sfd_valid) {
318 		} else if (sigismember(&state->sfd_set, sig)) {
321 			mutex_exit(&state->sfd_lock);
325 		mutex_exit(&state->sfd_lock);
345 	signalfd_state_t *state, **sstate;
361 	state = kmem_zalloc(sizeof (*state), KM_SLEEP);
362 	state->sfd_valid = B_TRUE;
363 	state->sfd_count = 1;
364 	list_insert_head(&signalfd_state, (void *)state);
367 	*sstate = state;
496 	signalfd_state_t *state, **sstate;
507 	state = *sstate;
512 	mutex_enter(&state->sfd_lock);
513 	set = state->sfd_set;
514 	mutex_exit(&state->sfd_lock);
534 			mutex_enter(&state->sfd_lock);
535 			set = state->sfd_set;
536 			mutex_exit(&state->sfd_lock);
568 	signalfd_state_t *state, **sstate;
575 	state = *sstate;
577 	mutex_enter(&state->sfd_lock);
579 	if (signalfd_sig_pending(p, t, state->sfd_set) != 0)
582 	mutex_exit(&state->sfd_lock);
613 		pw = signalfd_wake_list_add(pstate, state);
625 	signalfd_state_t *state, **sstate;
630 	state = *sstate;
638 		mutex_enter(&state->sfd_lock);
639 		sigutok(&mask, &state->sfd_set);
640 		mutex_exit(&state->sfd_lock);
655 	signalfd_state_t *state, **sstate;
661 	state = *sstate;
663 	/* Make sure state is removed from this proc's pollwake list. */
668 		pw = signalfd_wake_list_rm(pstate, state);
687 	signalfd_state_release(state, B_TRUE);
711 		cmn_err(CE_WARN, "signalfd failed to create soft state");