Cross Reference: /src/sys/kern/kern

Lines Matching defs:pgrp
132  * (an orphaned pgrp will lock the slot, a session will lock
133  * the pgrp with the same number.)
147 	struct pgrp	*pt_pgrp;
196 struct pgrp pgrp0 = {
259 static struct pgrp *	pg_remove(pid_t);
261 static void		orphanpg(struct pgrp *);
468 	  KERN_PROC_PGRP pgrp
487 	struct pgrp *pg;
596 	struct pgrp *pg;
602 	 * We keep the pgrp with the same id as the session in order to
603 	 * stop a process being given the same pid.  Since the pgrp holds
604 	 * a reference to the session, it must be a 'zombie' pgrp by now.
616 		kmem_free(pg, sizeof(struct pgrp));
630 	struct pgrp *pgrp;
644 		pgrp = p1->p_pgrp;
646 		pgrp = pgrp_find(pg_id);
647 		if (pgrp == NULL) {
652 	session = pgrp->pg_session;
929 struct pgrp *
932 	struct pgrp *pg;
954 	struct pgrp *pgrp;
995 		pgrp = pid_table[i].pt_pgrp;
1001 			if (pgrp)
1002 				pid = pgrp->pg_id;
1010 		n_pt[pid & pt_size].pt_pgrp = pgrp;
1283  * If we are creating a new pgrp, the pgid should equal
1294 	struct pgrp *new_pgrp, *pgrp;
1306 	/* Check pgrp exists or can be created */
1307 	pgrp = pid_table[pgid & pid_tbl_mask].pt_pgrp;
1308 	if (pgrp != NULL && pgrp->pg_id != pgid)
1323 		if (pgrp != NULL && pgrp->pg_session != p->p_session)
1331 		/* ... setsid() cannot re-enter a pgrp */
1341 		if (sess == NULL && p->p_pgrp == pgrp) {
1350 	if (pgrp == NULL && pgid != pid)
1353 	/* Can only create a session if creating pgrp */
1354 	if (sess != NULL && pgrp != NULL)
1357 	/* Check we allocated memory for a pgrp... */
1358 	if (pgrp == NULL && new_pgrp == NULL)
1361 	/* Don't attach to 'zombie' pgrp */
1362 	if (pgrp != NULL && LIST_EMPTY(&pgrp->pg_members))
1368 	if (pgrp == p->p_pgrp)
1374 	if (pgrp == NULL) {
1375 		pgrp = new_pgrp;
1391 		pgrp->pg_session = sess;
1394 		pgrp->pg_id = pgid;
1395 		LIST_INIT(&pgrp->pg_members);
1398 			panic("enterpgrp: pgrp table slot in use");
1402 		pid_table[pgid & pid_tbl_mask].pt_pgrp = pgrp;
1403 		pgrp->pg_jobc = 0;
1411 	fixjobc(p, pgrp, 1);
1422 	p->p_pgrp = pgrp;
1423 	LIST_INSERT_HEAD(&pgrp->pg_members, p, p_pglist);
1457 	struct pgrp *pgrp;
1463 	pgrp = p->p_pgrp;
1468 	if (LIST_EMPTY(&pgrp->pg_members)) {
1470 		pg_delete(pgrp->pg_id);
1481 static struct pgrp *
1484 	struct pgrp *pgrp;
1490 	pgrp = pt->pt_pgrp;
1492 	KASSERT(pgrp != NULL);
1493 	KASSERT(pgrp->pg_id == pg_id);
1494 	KASSERT(LIST_EMPTY(&pgrp->pg_members));
1499 		/* Orphaned pgrp, put slot onto free list. */
1508 	return pgrp;
1518 	struct pgrp *pg;
1550 		kmem_free(pg, sizeof(struct pgrp));
1555  * Adjust pgrp jobc counters when specified process changes process group.
1567 fixjobc(struct proc *p, struct pgrp *pgrp, int entering)
1569 	struct pgrp *hispgrp;
1570 	struct session *mysession = pgrp->pg_session;
1580 	if (hispgrp != pgrp && hispgrp->pg_session == mysession) {
1582 			pgrp->pg_jobc++;
1585 			/* KASSERT(pgrp->pg_jobc > 0); */
1586 			if (--pgrp->pg_jobc == 0)
1587 				orphanpg(pgrp);
1598 		if (hispgrp != pgrp && hispgrp->pg_session == mysession &&
1620 orphanpg(struct pgrp *pg)
1643 	struct pgrp *pgrp;
1669 		if ((pgrp = pt->pt_pgrp)) {
1671 			    pgrp->pg_session, pgrp->pg_session->s_sid,
1672 			    pgrp->pg_session->s_count,
1673 			    pgrp->pg_session->s_login);
1675 			    pgrp, pgrp->pg_id, pgrp->pg_jobc,
1676 			    LIST_FIRST(&pgrp->pg_members));
1677 			LIST_FOREACH(p, &pgrp->pg_members, p_pglist) {
1678 				db_printf("\t\tpid %d addr %p pgrp %p %s\n",