cmd/ttymon/tmhandler.c

63 fork_tmchild(pmptr)
64 struct	pmtab	*pmptr;
75 	pmptr->p_inservice = FALSE;
95 		pmptr->p_status = VALID;
96 		pmptr->p_pid = 0;
107 		 * Close all file descriptors except pmptr->p_fd
110 		pcsync_close(pcpipe0, pcpipe1, pid, pmptr->p_fd);
112 		tmchild(pmptr);
114 		fatal("tmchild for <%s> returns unexpected", pmptr->p_device);
118 		pmptr->p_status = VALID;
119 		pmptr->p_pid = 0;
126 		pmptr->p_pid = pid;
128 	if (pmptr->p_fd > 0) {
129 		(void)close(pmptr->p_fd);
130 		pmptr->p_fd = 0;
136 	pcsync_close(pcpipe0, pcpipe1, pid, pmptr->p_fd);
148 got_carrier(pmptr)
149 struct	pmtab	*pmptr;
151 	flush_input(pmptr->p_fd);
153 	if (pmptr->p_ttyflags & R_FLAG) {
159 	else if ((pmptr->p_ttyflags & (C_FLAG|B_FLAG)) &&
161 		(!(pmptr->p_flags & X_FLAG))) {
162 		fork_tmchild(pmptr);
164 	else if (pmptr->p_ttyflags & A_FLAG) {
170 	else if (pmptr->p_timeout) {
171 		fork_tmchild(pmptr);
173 	else if ( ! (pmptr->p_ttyflags & X_FLAG) ) {
174 		write_prompt(pmptr->p_fd,pmptr,TRUE,TRUE);
182 got_data(pmptr)
183 struct	pmtab	*pmptr;
187 	if (tm_checklock(pmptr->p_fd) != 0) {
188 		pmptr->p_status = LOCKED;
189 		(void)close(pmptr->p_fd);
190 		pmptr->p_fd = 0;
201 		fork_tmchild(pmptr);
207 got_hup(pmptr)
208 struct	pmtab	*pmptr;
213 	(void)close(pmptr->p_fd);
214 	pmptr->p_fd = 0;
215 	pmptr->p_inservice = 0;
231 	struct	pmtab	*pmptr;
245 			if ((pmptr = find_fd(fdp->fd)) == NULL) {
251 				got_hup(pmptr);
257 				got_data(pmptr);
276 	struct	pmtab	*pmptr;
310 		if ((pmptr = find_pid(pid)) == NULL) {
321 			if (pmptr->p_flags & U_FLAG)
323 			pmptr->p_status = VALID;
324 			pmptr->p_fd = 0;
325 			pmptr->p_pid = 0;
326 			pmptr->p_inservice = 0;
348 	struct pmtab *pmptr;
368 	for (pmptr = PMtab; pmptr; pmptr = pmptr->p_next) {
369 		if ((pmptr->p_fd > 0) && (pmptr->p_pid == 0)) {
370 			(void)close(pmptr->p_fd);
371 			pmptr->p_fd = 0;
426 	struct pmtab *pmptr;
428 	for (pmptr = PMtab; pmptr; pmptr = pmptr->p_next) {
429 		if (pmptr->p_pid == pid) {
430 			return(pmptr);
443 	struct pmtab *pmptr;
445 	for (pmptr = PMtab; pmptr; pmptr = pmptr->p_next) {
446 		if (pmptr->p_fd == fd) {
447 			return(pmptr);
461 	struct pmtab *pmptr;
462 	for (pmptr = PMtab; pmptr; pmptr = pmptr->p_next) {
463 		if (pmptr->p_status == VALID)
465 		if ((pmptr->p_fd > 0) && (pmptr->p_pid == 0)) {
466 			(void)close(pmptr->p_fd);
467 			pmptr->p_fd = 0;
469 		else if ((pmptr->p_fd == 0) && (pmptr->p_pid > 0)
470 			&& (pmptr->p_inservice == FALSE)) {
471 			(void)kill(pmptr->p_pid, SIGTERM);
480 	struct	pmtab	*pmptr;
484 	if ((pmptr = find_pid(pid)) == NULL) {
488 	pmptr->p_inservice = TRUE;
553 	struct pmtab *pmptr;
561 	for (pmptr = PMtab; pmptr; pmptr = pmptr->p_next) {
562 		if ((pmptr->p_status == LOCKED) && (pmptr->p_fd == 0)) {
563 			if ((fd=open(pmptr->p_device,O_RDWR|O_NONBLOCK)) == -1){
564 				log("open (%s) failed: %s", pmptr->p_device,
566 				pmptr->p_status = VALID;
573 					pmptr->p_fd = fd;
580 		else if ((pmptr->p_status == SESSION) && (pmptr->p_fd == 0)) {
581 			if ((fd=open(pmptr->p_device,O_RDWR|O_NONBLOCK)) == -1){
582 				log("open (%s) failed: %s", pmptr->p_device,
584 				pmptr->p_status = VALID;
591 					pmptr->p_fd = fd;
598 		else if ((pmptr->p_status == UNACCESS) && (pmptr->p_fd == 0)) {
599 			if ((fd=open(pmptr->p_device,O_RDWR|O_NONBLOCK)) == -1){
600 				log("open (%s) failed: %s", pmptr->p_device,
602 				pmptr->p_status = VALID;
608 				pmptr->p_fd = fd;