108 static void orphanpg(struct pgrp *pg);
230 pgrpinsertinit(struct pgrp *pg)  in pgrpinsertinit()
637 pgref(struct pgrp *pgrp)  in pgref()  argument
639           refcount_acquire(&pgrp->pg_refs);  in pgref()
643 pgrel(struct pgrp *pgrp)  in pgrel()  argument
649           n = PGRP_HASH(pgrp->pg_id);  in pgrel()
653                     count = pgrp->pg_refs;  in pgrel()
658                               if (atomic_cmpset_int(&pgrp->pg_refs, 1, 0))  in pgrel()
663                               if (atomic_cmpset_int(&pgrp->pg_refs, count, count - 1))  in pgrel()
672           LIST_REMOVE(pgrp, pg_list);  in pgrel()
673           if (pid_doms[pgrp->pg_id % PIDSEL_DOMAINS] != (uint8_t)time_second)  in pgrel()
674                     pid_doms[pgrp->pg_id % PIDSEL_DOMAINS] = (uint8_t)time_second;  in pgrel()
680           funsetownlst(&pgrp->pg_sigiolst);  in pgrel()
682           if (pgrp->pg_session->s_ttyp != NULL &&  in pgrel()
683               pgrp->pg_session->s_ttyp->t_pgrp == pgrp) {  in pgrel()
684                     pgrp->pg_session->s_ttyp->t_pgrp = NULL;  in pgrel()
688           sess_rele(pgrp->pg_session);  in pgrel()
689           kfree(pgrp, M_PGRP);  in pgrel()
699 struct pgrp *
702           struct pgrp *pgrp;  in pgfind()  local
710           LIST_FOREACH(pgrp, &prg->allpgrp, pg_list) {  in pgfind()
711                     if (pgrp->pg_id == pgid) {  in pgfind()
712                               refcount_acquire(&pgrp->pg_refs);  in pgfind()
714                               return (pgrp);  in pgfind()
729           struct pgrp *pgrp;  in enterpgrp()  local
730           struct pgrp *opgrp;  in enterpgrp()
733           pgrp = pgfind(pgid);  in enterpgrp()
735           KASSERT(pgrp == NULL || !mksess,  in enterpgrp()
740           if (pgrp == NULL) {  in enterpgrp()
751                     pgrp = kmalloc(sizeof(struct pgrp), M_PGRP, M_WAITOK | M_ZERO);  in enterpgrp()
752                     pgrp->pg_id = pgid;  in enterpgrp()
753                     LIST_INIT(&pgrp->pg_members);  in enterpgrp()
754                     pgrp->pg_jobc = 0;  in enterpgrp()
755                     SLIST_INIT(&pgrp->pg_sigiolst);  in enterpgrp()
756                     lwkt_token_init(&pgrp->pg_token, "pgrp_token");  in enterpgrp()
757                     refcount_init(&pgrp->pg_refs, 1);  in enterpgrp()
758                     lockinit(&pgrp->pg_lock, "pgwt", 0, 0);  in enterpgrp()
766                               kfree(pgrp, M_PGRP);  in enterpgrp()
788                               pgrp->pg_session = sess;  in enterpgrp()
796                               pgrp->pg_session = p->p_session;  in enterpgrp()
797                               sess_hold(pgrp->pg_session);  in enterpgrp()
800                     LIST_INSERT_HEAD(&prg->allpgrp, pgrp, pg_list);  in enterpgrp()
803           } else if (pgrp == p->p_pgrp) {  in enterpgrp()
804                     pgrel(pgrp);  in enterpgrp()
808           lwkt_gettoken(&pgrp->pg_token);  in enterpgrp()
825           p->p_pgrp = pgrp;  in enterpgrp()
826           LIST_INSERT_HEAD(&pgrp->pg_members, p, p_pglist);  in enterpgrp()
833           fixjobc(p, pgrp, 1);  in enterpgrp()
841           lwkt_reltoken(&pgrp->pg_token);  in enterpgrp()
856           struct pgrp *pg = p->p_pgrp;  in leavepgrp()
963 fixjobc(struct proc *p, struct pgrp *pgrp, int entering)  in fixjobc()  argument
965           struct pgrp *hispgrp;  in fixjobc()
974           lwkt_gettoken(&pgrp->pg_token);  in fixjobc()
976           mysession = pgrp->pg_session;  in fixjobc()
977           if ((hispgrp = p->p_pptr->p_pgrp) != pgrp &&  in fixjobc()
980                               pgrp->pg_jobc++;  in fixjobc()
981                     else if (--pgrp->pg_jobc == 0)  in fixjobc()
982                               orphanpg(pgrp);  in fixjobc()
993                     if ((hispgrp = np->p_pgrp) != pgrp &&  in fixjobc()
1008           KKASSERT(pgrp->pg_refs > 0);  in fixjobc()
1009           lwkt_reltoken(&pgrp->pg_token);  in fixjobc()
1021 orphanpg(struct pgrp *pg)  in orphanpg()
1070           struct pgrp *pg;  in proc_makepid()
1561           struct pgrp *pgrp;  in DB_SHOW_COMMAND()  local
1572                     LIST_FOREACH(pgrp, &prg->allpgrp, pg_list) {  in DB_SHOW_COMMAND()
1575                                         (void *)pgrp, (long)pgrp->pg_id,  in DB_SHOW_COMMAND()
1576                                         (void *)pgrp->pg_session,  in DB_SHOW_COMMAND()
1577                                         pgrp->pg_session->s_count,  in DB_SHOW_COMMAND()
1578                                         (void *)LIST_FIRST(&pgrp->pg_members));  in DB_SHOW_COMMAND()
1579                               LIST_FOREACH(p, &pgrp->pg_members, p_pglist) {  in DB_SHOW_COMMAND()
2199 SYSCTL_KERN_PROC_ALLFLAGS(KERN_PROC_PGRP, pgrp);