681 	xenbus_transaction_t xbt;  in xen_sysrq_handler()  local
686 	if (xenbus_transaction_start(&xbt)) {  in xen_sysrq_handler()
691 	if ((ret = xenbus_scanf(xbt, "control", "sysrq", "%c", &key)) != 0) {  in xen_sysrq_handler()
701 	if ((ret = xenbus_rm(xbt, "control", "sysrq")) != 0) {  in xen_sysrq_handler()
706 	if (xenbus_transaction_end(xbt, 0) == EAGAIN)  in xen_sysrq_handler()
721 	(void) xenbus_transaction_end(xbt, 1);  in xen_sysrq_handler()
812 	xenbus_transaction_t xbt;  in xen_shutdown_handler()  local
817 	err = xenbus_transaction_start(&xbt);  in xen_shutdown_handler()
820 	if (xenbus_read(xbt, "control", "shutdown", (void *)&str, &slen)) {  in xen_shutdown_handler()
821 		(void) xenbus_transaction_end(xbt, 1);  in xen_shutdown_handler()
832 		(void) xenbus_transaction_end(xbt, 0);  in xen_shutdown_handler()
851 	(void) xenbus_write(xbt, "control", "shutdown", "");  in xen_shutdown_handler()
852 	err = xenbus_transaction_end(xbt, 0);  in xen_shutdown_handler()