490 	struct wl_shm_sigbus_data *sigbus_data =  in sigbus_handler()  local
494 	if (sigbus_data == NULL) {  in sigbus_handler()
499 	pool = sigbus_data->current_pool;  in sigbus_handler()
511 	sigbus_data->fallback_mapping_used = 1;  in sigbus_handler()
526 	struct wl_shm_sigbus_data *sigbus_data = data;  in destroy_sigbus_data()  local
528 	free(sigbus_data);  in destroy_sigbus_data()
586 	struct wl_shm_sigbus_data *sigbus_data;  in wl_shm_buffer_begin_access()  local
593 	sigbus_data = pthread_getspecific(wl_shm_sigbus_data_key);  in wl_shm_buffer_begin_access()
594 	if (sigbus_data == NULL) {  in wl_shm_buffer_begin_access()
595 		sigbus_data = zalloc(sizeof *sigbus_data);  in wl_shm_buffer_begin_access()
596 		if (sigbus_data == NULL)  in wl_shm_buffer_begin_access()
599 		pthread_setspecific(wl_shm_sigbus_data_key, sigbus_data);  in wl_shm_buffer_begin_access()
602 	assert(sigbus_data->current_pool == NULL ||  in wl_shm_buffer_begin_access()
603 	       sigbus_data->current_pool == pool);  in wl_shm_buffer_begin_access()
605 	sigbus_data->current_pool = pool;  in wl_shm_buffer_begin_access()
606 	sigbus_data->access_count++;  in wl_shm_buffer_begin_access()
624 	struct wl_shm_sigbus_data *sigbus_data;  in wl_shm_buffer_end_access()  local
629 	sigbus_data = pthread_getspecific(wl_shm_sigbus_data_key);  in wl_shm_buffer_end_access()
630 	assert(sigbus_data && sigbus_data->access_count >= 1);  in wl_shm_buffer_end_access()
632 	if (--sigbus_data->access_count == 0) {  in wl_shm_buffer_end_access()
633 		if (sigbus_data->fallback_mapping_used) {  in wl_shm_buffer_end_access()
637 			sigbus_data->fallback_mapping_used = 0;  in wl_shm_buffer_end_access()
640 		sigbus_data->current_pool = NULL;  in wl_shm_buffer_end_access()