tcsh-65/tcsh/sh.proc.c

1715  *	-1:	leave tty alone; inherit pgrp from parent
1726     pid_t pgrp;
1771 	pgrp = pcurrjob ? pcurrjob->p_jobid : getpid();
1804 	pgetty(wanttty, pgrp);
1845 	    pgrp = pcurrjob ? pcurrjob->p_jobid : pid;
1846 	    if (setpgid(pid, pgrp) == -1 && errno == EPERM) {
1852 		(void) setpgid(pid, pgrp = pid);
1897 setttypgrp(int pgrp)
1904      * pgrp ourselves. If that happens, then the process will be still
1912     if (tcgetpgrp(FSHTTY) != pgrp) {
1923 	(void) tcsetpgrp(FSHTTY, pgrp);
1941 pgetty(int wanttty, pid_t pgrp)
1948     jobdebug_xprintf(("wanttty %d pid %d opgrp%d pgrp %d tpgrp %d\n",
1949 		      wanttty, (int)getpid(), (int)pgrp, (int)mygetpgrp(),
1967 	setttypgrp(pgrp);
1977 	if (setpgid(0, pgrp) == -1) {
1980 	    if (setpgid(0, pgrp = getpid()) == -1) {
1986 	    wanttty = pgrp;  /* Now we really want the tty, since we became the
1995 	setttypgrp(pgrp);
2000     jobdebug_xprintf(("wanttty %d pid %d pgrp %d tpgrp %d\n",