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1/*-
2 * Copyright (c) 2002 Doug Rabson
3 * Copyright (c) 1994-1995 S�ren Schmidt
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/compat/linux/linux_misc.c 165867 2007-01-07 19:00:38Z netchild $");
31__FBSDID("$FreeBSD: head/sys/compat/linux/linux_misc.c 165869 2007-01-07 19:14:06Z netchild $");
32
33#include "opt_compat.h"
34#include "opt_mac.h"
35
36#include <sys/param.h>
37#include <sys/blist.h>
38#include <sys/fcntl.h>
39#if defined(__i386__)

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1434 struct linux_emuldata *em;
1435
1436#ifdef DEBUG
1437 if (ldebug(getpid))
1438 printf(ARGS(getpid, ""));
1439#endif
1440
1441 if (linux_use26(td)) {
1442 em = em_find(td->td_proc, EMUL_DOLOCK);
1442 em = em_find(td->td_proc, EMUL_DONTLOCK);
1443 KASSERT(em != NULL, ("getpid: emuldata not found.\n"));
1444 td->td_retval[0] = em->shared->group_pid;
1445 EMUL_UNLOCK(&emul_lock);
1445 } else {
1446 td->td_retval[0] = td->td_proc->p_pid;
1447 }
1448
1449 return (0);
1450}
1451
1452int

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1475
1476 if (!linux_use26(td)) {
1477 PROC_LOCK(td->td_proc);
1478 td->td_retval[0] = td->td_proc->p_pptr->p_pid;
1479 PROC_UNLOCK(td->td_proc);
1480 return (0);
1481 }
1482
1484 em = em_find(td->td_proc, EMUL_DOLOCK);
1483 em = em_find(td->td_proc, EMUL_DONTLOCK);
1484
1485 KASSERT(em != NULL, ("getppid: process emuldata not found.\n"));
1486
1487 /* find the group leader */
1488 p = pfind(em->shared->group_pid);
1489
1490 if (p == NULL) {
1491#ifdef DEBUG

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1502 if (pp->p_sysent == &elf_linux_sysvec) {
1503 em = em_find(pp, EMUL_DONTLOCK);
1504 KASSERT(em != NULL, ("getppid: parent emuldata not found.\n"));
1505
1506 td->td_retval[0] = em->shared->group_pid;
1507 } else
1508 td->td_retval[0] = pp->p_pid;
1509
1511 EMUL_UNLOCK(&emul_lock);
1510 PROC_UNLOCK(pp);
1511
1512 return (0);
1513}
1514
1515int
1516linux_getgid(struct thread *td, struct linux_getgid_args *args)
1517{

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