191 	for(pw=job.pwlist;pw;pw=pwnext)  in job_chldtrap()
261 …"ksh: job line %4d: reap pid=%d critical=%d signal=%d\n",__LINE__,getpid(),job.in_critical,sig) <=…  in job_reap()
265 	job.savesig = 0;  in job_reap()
274 		if(!(flags&WNOHANG) && !sh.intrap && job.pwlist)  in job_reap()
291 		if(pid<0 && errno==EINTR && (sig||job.savesig))  in job_reap()
296 		job.waitsafe++;  in job_reap()
302 …%4d: reap pid=%d critical=%d unknown job pid=%d pw=%x\n",__LINE__,getpid(),job.in_critical,pid,pw);  in job_reap()
310 			if(job.toclear)  in job_reap()
331 				px->p_nxtjob = job.pwlist;  in job_reap()
332 				job.pwlist = px;  in job_reap()
336 			if(pw->p_pgrp && pw->p_pgrp==job.curpgid && sh_isstate(SH_STOPOK))  in job_reap()
366 				if(pw->p_pgrp && pw->p_pgrp==job.curpgid && pw->p_exit==SIGINT && sh_isstate(SH_STOPOK))  in job_reap()
384 				job.numbjob--;  in job_reap()
407 … with pid %d flags=%o complete with status=%x exit=%d\n",__LINE__,getpid(),job.in_critical,pw->p_j…  in job_reap()
418 				tcsetpgrp(JOBTTY,job.mypid);  in job_reap()
432 		job.numbjob = 0;  in job_reap()
454 	if(job.in_critical || vmbusy())  in job_waitsafe()
456 		job.savesig = sig;  in job_waitsafe()
457 		job.waitsafe++;  in job_waitsafe()
470 	job.fd = JOBTTY;  in job_init()
482 	if((job.linedisc = ioctl(JOBTTY, FIOLOOKLD, 0)) <0)  in job_init()
484 	if(ioctl(JOBTTY,TIOCGETD,&job.linedisc) !=0)  in job_init()
487 	if(job.linedisc!=NTTYDISC && job.linedisc!=OTTYDISC)  in job_init()
495 	if(job.linedisc==NTTYDISC)  in job_init()
496 		job.linedisc = -1;  in job_init()
499 	job.mypgid = getpgrp();  in job_init()
501 	if(job.mypgid<=0)  in job_init()
510                 if(job.mypgid<0 || !(ttynam=ttyname(JOBTTY)))  in job_init()
517                 job.mypgid = shp->pid;  in job_init()
524 	if(possible = (setpgid(0,job.mypgid)>=0) || errno==EPERM)  in job_init()
527 		while((job.mytgid=tcgetpgrp(JOBTTY)) != job.mypgid)  in job_init()
529 			if(job.mytgid == -1)  in job_init()
546 	if(job.linedisc>=0)  in job_init()
555 			ioctl(JOBTTY, FIOPUSHLD, &job.linedisc);  in job_init()
566 			job.linedisc = -1;  in job_init()
592 	job.suspend = (unsigned)my_stty.c_cc[VSUSP];  in job_init()
593 	if(job.suspend == (unsigned char)CNSUSP)  in job_init()
600 	job.jobcontrol++;  in job_init()
601 	job.mypid = shp->pid;  in job_init()
615 	if(possible && !job.jobcontrol)  in job_close()
619 	else if(getpid() != job.mypid)  in job_close()
624 	for(pw=job.pwlist;pw;pw=pw->p_nxtjob)  in job_close()
636 	if(beenhere++ == 0 && job.pwlist)  in job_close()
651 	if(possible && setpgid(0,job.mypgid)>=0)  in job_close()
652 		tcsetpgrp(job.fd,job.mypgid);  in job_close()
655 	if(job.linedisc>=0)  in job_close()
659 		tty_get(job.fd,&my_stty);  in job_close()
660 		if (ioctl(job.fd, FIOPOPLD, 0) < 0)  in job_close()
662 		if (ioctl(job.fd, FIOPUSHLD, &job.linedisc) < 0)  in job_close()
664 			job.linedisc = NTTYDISC;  in job_close()
665 			ioctl(job.fd, FIOPUSHLD, &job.linedisc);  in job_close()
668 		tty_set(job.fd,TCSAFLUSH,&my_stty);  in job_close()
670 		if(ioctl(job.fd,TIOCSETD,&job.linedisc) !=0)  in job_close()
677 	if(possible && job.suspend==CNSUSP)  in job_close()
679 		tty_get(job.fd,&my_stty);  in job_close()
681 		tty_set(job.fd,TCSAFLUSH,&my_stty);  in job_close()
684 	job.jobcontrol = 0;  in job_close()
691 	tty_get(job.fd,&my_stty);  in job_set()
695 		tty_set(job.fd,TCSAFLUSH,&pw->p_stty);  in job_set()
698 	if((pw->p_flag&P_STOPPED) || tcgetpgrp(job.fd) == sh.pid)  in job_set()
699 		tcsetpgrp(job.fd,pw->p_fgrp);  in job_set()
709 	job_fgrp(pw,tcgetpgrp(job.fd));  in job_reset()
710 	if(tcsetpgrp(job.fd,job.mypid) !=0)  in job_reset()
718 		if(tty_get(job.fd,&pw->p_stty) == 0)  in job_reset()
721 		tty_set(job.fd,TCSAFLUSH,&my_stty);  in job_reset()
773 	pw = job.pwlist;  in job_walk()
860 	if((px->p_flag&P_DONE) && job.waitall && !(flag&JOB_LFLAG))  in job_list()
864 	if(px==job.pwlist)  in job_list()
866 	else if(px==job.pwlist->p_nxtjob)  in job_list()
926 	register struct process *pw=job.pwlist;  in job_bystring()
938 			pw = job.pwlist->p_nxtjob;  in job_bystring()
968 		if(pid==0 && job.jobcontrol)  in job_kill()
1051 	register struct process *pw = job.pwlist;  in job_byname()
1090 	for(pw=job.pwlist; pw; pw=pwnext)  in job_clear()
1107 	job.pwlist = NIL(struct process*);  in job_clear()
1108 	job.numpost=0;  in job_clear()
1110 	job.numbjob = 0;  in job_clear()
1112 	job.waitall = 0;  in job_clear()
1113 	job.curpgid = 0;  in job_clear()
1114 	job.toclear = 0;  in job_clear()
1115 	if(!job.freejobs)  in job_clear()
1116 		job.freejobs = (unsigned char*)malloc((unsigned)(j+1));  in job_clear()
1118 		job.freejobs[j--]  = 0;  in job_clear()
1137 	if(job.toclear)  in job_post()
1148 		job.numbjob++;  in job_post()
1158 		if((pw=job_byjid(pw->p_job)) != job.pwlist)  in job_post()
1161 			pw->p_nxtjob = job.pwlist;  in job_post()
1162 			job.pwlist = pw;  in job_post()
1170 	job.numpost++;  in job_post()
1171 	if(join && job.pwlist)  in job_post()
1174 		pw->p_nxtjob = job.pwlist->p_nxtjob;  in job_post()
1175 		pw->p_nxtproc = job.pwlist;  in job_post()
1176 		pw->p_job = job.pwlist->p_job;  in job_post()
1183 		pw->p_nxtjob = job.pwlist;  in job_post()
1186 	job.pwlist = pw;  in job_post()
1189 	if(!sh.outpipe || (sh_isoption(SH_PIPEFAIL) && job.waitall))  in job_post()
1195 		if(killpg(job.curpgid,0)<0 && errno==ESRCH)  in job_post()
1196 			job.curpgid = pid;  in job_post()
1197 		pw->p_fgrp = job.curpgid;  in job_post()
1203 … critical=%d job=%d pid=%d pgid=%d savesig=%d join=%d\n",__LINE__,getpid(),job.in_critical,pw->p_j…  in job_post()
1204 		pw->p_pid,pw->p_pgrp,job.savesig,join);  in job_post()
1245 	for(pw=job.pwlist; pw; pw=pw->p_nxtjob)  in job_bypid()
1261 	for(pw=job.pwlist;pw; pw = pw->p_nxtjob)  in job_byjid()
1334 		if(pw->p_pgrp && job.parent!= (pid_t)-1)  in job_wait()
1339 …: job line %4d: wait pid=%d critical=%d job=%d pid=%d\n",__LINE__,getpid(),job.in_critical,jobid,p…  in job_wait()
1341 …sfprintf(sfstderr,"ksh: job line %4d: wait pid=%d critical=%d flags=%o\n",__LINE__,getpid(),job.in…  in job_wait()
1352 		if(job.waitsafe)  in job_wait()
1354 			for(px=job.pwlist;px; px = px->p_nxtjob)  in job_wait()
1425 				if(!px || !sh_isoption(SH_PIPEFAIL) || !job.waitall)  in job_wait()
1432 		job.waitsafe = 0;  in job_wait()
1433 		nochild = job_reap(job.savesig);  in job_wait()
1434 		if(job.waitsafe)  in job_wait()
1457 			job.parent = 0;  in job_wait()
1473 	if(!job.waitall && sh_isoption(SH_PIPEFAIL))  in job_wait()
1478 		for(pw=job.pwlist; pw; pw=px)  in job_wait()
1523 		pw->p_nxtjob = job.pwlist;  in job_switch()
1524 		job.pwlist = pw;  in job_switch()
1537 		job.waitall = 1;  in job_switch()
1543 		job.waitall = 0;  in job_switch()
1602 …: job line %4d: drop pid=%d critical=%d pid=%d env=%d\n",__LINE__,getpid(),job.in_critical,pwtop->…  in job_unpost()
1631 		job.numpost--;  in job_unpost()
1637 …sfprintf(sfstderr,"ksh: job line %4d: free pid=%d critical=%d job=%d\n",__LINE__,getpid(),job.in_c…  in job_unpost()
1650 	if(pw==job.pwlist)  in job_unlink()
1652 		job.pwlist = pw->p_nxtjob;  in job_unlink()
1653 		job.curpgid = 0;  in job_unlink()
1656 	for(px=job.pwlist;px;px=px->p_nxtjob)  in job_unlink()
1676 	for(j=0;job.freejobs[j] == UCHAR_MAX; j++);  in job_alloc()
1689 	freeword = &job.freejobs[j];  in job_alloc()
1706 	job.freejobs[j]  &= ~mask;  in job_free()
1810 	for(pw=job.pwlist; pw; pw=pwnext)  in job_subrestore()
1831 	return(job.waitsafe);  in sh_waitsafe()
1837 …sfprintf(sfstderr,"ksh: job line %4d: fork pid=%d critical=%d parent=%d\n",__LINE__,getpid(),job.i…  in job_fork()
1846 		job.waitsafe = 0;  in job_fork()
1847 		job.in_critical = 0;  in job_fork()