2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include "afs/param.h"
16 #include "afs/sysincludes.h" /* Standard vendor system headers */
17 #include "afsincludes.h" /* Afs-based standard headers */
18 #include "afs/afs_stats.h" /* afs statistics */
20 #include <sys/adspace.h> /* for vm_att(), vm_det() */
23 static char memZero; /* address of 0 bytes for kmem_alloc */
29 /* osi_Init -- do once per kernel installation initialization.
30 * -- On Solaris this is called from modload initialization.
31 * -- On AIX called from afs_config.
32 * -- On HP called from afsc_link.
33 * -- On SGI called from afs_init. */
36 lock_t afs_event_lock;
43 struct AFS_UCRED *afs_osi_credp;
49 if (once++ > 0) /* just in case */
51 #if defined(AFS_HPUX_ENV)
53 #else /* AFS_HPUX_ENV */
54 #if defined(AFS_GLOBAL_SUNLOCK)
55 #if defined(AFS_SGI62_ENV)
56 mutex_init(&afs_global_lock, MUTEX_DEFAULT, "afs_global_lock");
57 #elif defined(AFS_OSF_ENV)
58 usimple_lock_init(&afs_global_lock);
59 afs_global_owner = (thread_t) 0;
60 #elif defined(AFS_FBSD50_ENV)
61 mtx_init(&afs_global_mtx, "AFS global lock", NULL, MTX_DEF);
62 #elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
63 lockinit(&afs_global_lock, PLOCK, "afs global lock", 0, 0);
65 #elif defined(AFS_AIX41_ENV)
66 lock_alloc((void *)&afs_global_lock, LOCK_ALLOC_PIN, 1, 1);
67 simple_lock_init((void *)&afs_global_lock);
68 #elif !defined(AFS_LINUX22_ENV)
69 /* Linux initialization in osi directory. Should move the others. */
70 mutex_init(&afs_global_lock, "afs_global_lock", MUTEX_DEFAULT, NULL);
72 /* afs_rxglobal_lock is initialized in rx_Init. */
73 #endif /* AFS_GLOBAL_SUNLOCK */
74 #endif /* AFS_HPUX_ENV */
76 if (!afs_osicred_initialized) {
77 #if defined(AFS_XBSD_ENV)
78 /* Can't just invent one, must use crget() because of mutex */
79 afs_osi_credp = crdup(osi_curcred());
81 memset(&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
82 #if defined(AFS_LINUX26_ENV)
83 afs_osi_cred.cr_group_info = groups_alloc(0);
85 crhold(&afs_osi_cred); /* don't let it evaporate */
86 afs_osi_credp = &afs_osi_cred;
88 afs_osicred_initialized = 1;
91 osi_flid.fl_pid = osi_flid.fl_sysid = 0;
94 init_et_to_sys_error();
98 osi_Active(register struct vcache *avc)
100 AFS_STATCNT(osi_Active);
101 #if defined(AFS_AIX_ENV) || defined(AFS_OSF_ENV) || defined(AFS_SUN5_ENV) || (AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
102 if ((avc->opens > 0) || (avc->states & CMAPPED))
103 return 1; /* XXX: Warning, verify this XXX */
104 #elif defined(AFS_SGI_ENV)
105 if ((avc->opens > 0) || AFS_VN_MAPPED(AFSTOV(avc)))
108 if (avc->opens > 0 || (AFSTOV(avc)->v_flag & VTEXT))
114 /* this call, unlike osi_FlushText, is supposed to discard caches that may
115 contain invalid information if a file is written remotely, but that may
116 contain valid information that needs to be written back if the file is
117 being written locally. It doesn't subsume osi_FlushText, since the latter
118 function may be needed to flush caches that are invalidated by local writes.
120 avc->pvnLock is already held, avc->lock is guaranteed not to be held (by
124 osi_FlushPages(register struct vcache *avc, struct AFS_UCRED *credp)
127 ObtainReadLock(&avc->lock);
128 /* If we've already purged this version, or if we're the ones
129 * writing this version, don't flush it (could lose the
130 * data we're writing). */
131 if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0)
132 || ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
133 ReleaseReadLock(&avc->lock);
136 ReleaseReadLock(&avc->lock);
137 ObtainWriteLock(&avc->lock, 10);
139 if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0)
140 || ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
141 ReleaseWriteLock(&avc->lock);
144 if (hiszero(avc->mapDV)) {
145 hset(avc->mapDV, avc->m.DataVersion);
146 ReleaseWriteLock(&avc->lock);
150 AFS_STATCNT(osi_FlushPages);
151 hset(origDV, avc->m.DataVersion);
152 afs_Trace3(afs_iclSetp, CM_TRACE_FLUSHPAGES, ICL_TYPE_POINTER, avc,
153 ICL_TYPE_INT32, origDV.low, ICL_TYPE_INT32, avc->m.Length);
155 ReleaseWriteLock(&avc->lock);
157 osi_VM_FlushPages(avc, credp);
159 ObtainWriteLock(&avc->lock, 88);
161 /* do this last, and to original version, since stores may occur
162 * while executing above PUTPAGE call */
163 hset(avc->mapDV, origDV);
164 ReleaseWriteLock(&avc->lock);
167 afs_lock_t afs_ftf; /* flush text lock */
171 /* This call is supposed to flush all caches that might be invalidated
172 * by either a local write operation or a write operation done on
173 * another client. This call may be called repeatedly on the same
174 * version of a file, even while a file is being written, so it
175 * shouldn't do anything that would discard newly written data before
176 * it is written to the file system. */
179 osi_FlushText_really(register struct vcache *vp)
181 afs_hyper_t fdv; /* version before which we'll flush */
183 AFS_STATCNT(osi_FlushText);
184 /* see if we've already flushed this data version */
185 if (hcmp(vp->m.DataVersion, vp->flushDV) <= 0)
188 MObtainWriteLock(&afs_ftf, 317);
189 hset(fdv, vp->m.DataVersion);
191 /* why this disgusting code below?
192 * xuntext, called by xrele, doesn't notice when it is called
193 * with a freed text object. Sun continually calls xrele or xuntext
194 * without any locking, as long as VTEXT is set on the
195 * corresponding vnode.
196 * But, if the text object is locked when you check the VTEXT
197 * flag, several processes can wait in xuntext, waiting for the
198 * text lock; when the second one finally enters xuntext's
199 * critical region, the text object is already free, but the check
200 * was already done by xuntext's caller.
201 * Even worse, it turns out that xalloc locks the text object
202 * before reading or stating a file via the vnode layer. Thus, we
203 * could end up in getdcache, being asked to bring in a new
204 * version of a file, but the corresponding text object could be
205 * locked. We can't flush the text object without causing
206 * deadlock, so now we just don't try to lock the text object
207 * unless it is guaranteed to work. And we try to flush the text
208 * when we need to a bit more often at the vnode layer. Sun
209 * really blew the vm-cache flushing interface.
212 #if defined (AFS_HPUX_ENV)
213 if (vp->v.v_flag & VTEXT) {
216 if (vp->v.v_flag & VTEXT) { /* still has a text object? */
217 MReleaseWriteLock(&afs_ftf);
223 /* next do the stuff that need not check for deadlock problems */
226 /* finally, record that we've done it */
227 hset(vp->flushDV, fdv);
228 MReleaseWriteLock(&afs_ftf);
231 #endif /* AFS_TEXT_ENV */
233 /* mask signals in afsds */
235 afs_osi_MaskSignals(void)
237 #ifdef AFS_LINUX22_ENV
242 /* unmask signals in rxk listener */
244 afs_osi_UnmaskRxkSignals(void)
248 /* Two hacks to try and fix afsdb */
250 afs_osi_MaskUserLoop()
252 #ifdef AFS_DARWIN_ENV
254 afs_osi_fullSigMask();
256 afs_osi_MaskSignals();
261 afs_osi_UnmaskUserLoop()
263 #ifdef AFS_DARWIN_ENV
264 afs_osi_fullSigRestore();
268 /* register rxk listener proc info */
270 afs_osi_RxkRegister(void)
272 #ifdef AFS_LINUX22_ENV
277 /* procedure for making our processes as invisible as we can */
279 afs_osi_Invisible(void)
281 #ifdef AFS_LINUX22_ENV
282 afs_osi_MaskSignals();
283 #elif defined(AFS_SUN5_ENV)
284 curproc->p_flag |= SSYS;
285 #elif defined(AFS_HPUX101_ENV) && !defined(AFS_HPUX1123_ENV)
286 set_system_proc(u.u_procp);
287 #elif defined(AFS_DARWIN_ENV)
288 /* maybe call init_process instead? */
289 current_proc()->p_flag |= P_SYSTEM;
290 #elif defined(AFS_XBSD_ENV)
291 curproc->p_flag |= P_SYSTEM;
292 #elif defined(AFS_SGI_ENV)
296 AFS_STATCNT(osi_Invisible);
300 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
301 /* set the real time */
303 afs_osi_SetTime(osi_timeval_t * atv)
305 #if defined(AFS_AIX32_ENV)
306 struct timestruc_t t;
308 t.tv_sec = atv->tv_sec;
309 t.tv_nsec = atv->tv_usec * 1000;
310 ksettimer(&t); /* Was -> settimer(TIMEOFDAY, &t); */
311 #elif defined(AFS_SUN55_ENV)
313 #elif defined(AFS_SUN5_ENV)
315 * To get more than second resolution we can use adjtime. The problem
316 * is that the usecs from the server are wrong (by now) so it isn't
317 * worth complicating the following code.
323 sta.time = atv->tv_sec;
326 #elif defined(AFS_SGI_ENV)
332 sta.time = atv->tv_sec;
335 #elif defined(AFS_DARWIN_ENV)
340 /* stolen from kern_time.c */
342 boottime.tv_sec += atv->tv_sec - time.tv_sec;
346 #if !defined(AFS_HPUX1122_ENV)
347 /* drop the setting of the clock for now. spl7 is not
352 t.tv_sec = atv->tv_sec;
353 t.tv_usec = atv->tv_usec;
370 logtchg(atv->tv_sec);
372 #endif /* AFS_DARWIN_ENV */
373 AFS_STATCNT(osi_SetTime);
375 #endif /* AFS_LINUX20_ENV */
379 afs_osi_Alloc(size_t x)
381 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
382 register struct osimem *tm = NULL;
386 AFS_STATCNT(osi_Alloc);
387 /* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
388 * things so that NULL returned iff an error occurred */
392 AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
393 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
394 #ifdef AFS_LINUX20_ENV
395 return osi_linux_alloc(x, 1);
396 #elif defined(AFS_FBSD_ENV)
397 return osi_fbsd_alloc(x, 1);
400 tm = (struct osimem *)AFS_KALLOC(size);
403 osi_Panic("osi_Alloc: Couldn't allocate %d bytes; out of memory!\n",
410 #if defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV)
413 afs_osi_Alloc_NoSleep(size_t x)
415 register struct osimem *tm;
418 AFS_STATCNT(osi_Alloc);
419 /* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
420 * things so that NULL returned iff an error occurred */
425 AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
426 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
427 tm = (struct osimem *)AFS_KALLOC_NOSLEEP(size);
431 #endif /* SUN || SGI */
434 afs_osi_Free(void *x, size_t asize)
436 AFS_STATCNT(osi_Free);
438 return; /* check for putting memZero back */
440 AFS_STATS(afs_stats_cmperf.OutStandingAllocs--);
441 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage -= asize);
442 #if defined(AFS_LINUX20_ENV)
444 #elif defined(AFS_FBSD_ENV)
447 AFS_KFREE((struct osimem *)x, asize);
452 afs_osi_FreeStr(char *x)
454 afs_osi_Free(x, strlen(x) + 1);
457 /* ? is it moderately likely that there are dirty VM pages associated with
460 * Prereqs: avc must be write-locked
462 * System Dependencies: - *must* support each type of system for which
463 * memory mapped files are supported, even if all
464 * it does is return TRUE;
466 * NB: this routine should err on the side of caution for ProcessFS to work
467 * correctly (or at least, not to introduce worse bugs than already exist)
471 osi_VMDirty_p(struct vcache *avc)
475 if (avc->execsOrWriters <= 0)
476 return 0; /* can't be many dirty pages here, I guess */
478 #if defined (AFS_AIX32_ENV)
480 /* because of the level of hardware involvment with VM and all the
481 * warnings about "This routine must be called at VMM interrupt
482 * level", I thought it would be safest to disable interrupts while
483 * looking at the software page fault table. */
485 /* convert vm handle into index into array: I think that stoinio is
486 * always zero... Look into this XXX */
487 #define VMHASH(handle) ( \
488 ( ((handle) & ~vmker.stoinio) \
489 ^ ((((handle) & ~vmker.stoinio) & vmker.stoimask) << vmker.stoihash) \
493 unsigned int pagef, pri, index, next;
495 index = VMHASH(avc->segid);
496 if (scb_valid(index)) { /* could almost be an ASSERT */
498 pri = disable_ints();
499 for (pagef = scb_sidlist(index); pagef >= 0; pagef = next) {
500 next = pft_sidfwd(pagef);
501 if (pft_modbit(pagef)) { /* has page frame been modified? */
511 #endif /* AFS_AIX32_ENV */
513 #if defined (AFS_SUN5_ENV)
514 if (avc->states & CMAPPED) {
516 for (pg = avc->v.v_s.v_Pages; pg; pg = pg->p_vpnext) {
529 * Solaris osi_ReleaseVM should not drop and re-obtain the vcache entry lock.
530 * This leads to bad races when osi_ReleaseVM() is called from
531 * afs_InvalidateAllSegments().
533 * We can do this because Solaris osi_VM_Truncate() doesn't care whether the
534 * vcache entry lock is held or not.
536 * For other platforms, in some cases osi_VM_Truncate() doesn't care, but
537 * there may be cases where it does care. If so, it would be good to fix
538 * them so they don't care. Until then, we assume the worst.
540 * Locking: the vcache entry lock is held. It is dropped and re-obtained.
543 osi_ReleaseVM(struct vcache *avc, struct AFS_UCRED *acred)
547 osi_VM_Truncate(avc, 0, acred);
550 ReleaseWriteLock(&avc->lock);
552 osi_VM_Truncate(avc, 0, acred);
554 ObtainWriteLock(&avc->lock, 80);
562 AFS_STATCNT(shutdown_osi);
563 if (afs_cold_shutdown) {
564 LOCK_INIT(&afs_ftf, "afs_ftf");
570 afs_osi_suser(void *credp)
572 #if defined(AFS_SUN5_ENV)
573 return afs_suser(credp);
575 return afs_suser(NULL);
582 /* afs_osi_TraverseProcTable() - Walk through the systems process
583 * table, calling afs_GCPAGs_perproc_func() for each process.
586 #if defined(AFS_SUN5_ENV)
588 afs_osi_TraverseProcTable(void)
591 for (prp = practive; prp != NULL; prp = prp->p_next) {
592 afs_GCPAGs_perproc_func(prp);
597 #if defined(AFS_HPUX_ENV)
600 * NOTE: h/proc_private.h gives the process table locking rules
601 * It indicates that access to p_cred must be protected by
603 * mp_mtproc_unlock(p);
605 * The code in sys/pm_prot.c uses pcred_lock() to protect access to
606 * the process creds, and uses mp_mtproc_lock() only for audit-related
607 * changes. To be safe, we use both.
611 afs_osi_TraverseProcTable(void)
616 MP_SPINLOCK(activeproc_lock);
617 MP_SPINLOCK(sched_lock);
621 * Instead of iterating through all of proc[], traverse only
622 * the list of active processes. As an example of this,
623 * see foreach_process() in sys/vm_sched.c.
625 * We hold the locks for the entire scan in order to get a
626 * consistent view of the current set of creds.
629 for (p = proc; endchain == 0; p = &proc[p->p_fandx]) {
630 if (p->p_fandx == 0) {
638 afs_GCPAGs_perproc_func(p);
643 MP_SPINUNLOCK(sched_lock);
644 MP_SPINUNLOCK(activeproc_lock);
648 #if defined(AFS_SGI_ENV)
651 /* TODO: Fix this later. */
653 SGI_ProcScanFunc(void *p, void *arg, int mode)
657 #else /* AFS_SGI65_ENV */
659 SGI_ProcScanFunc(proc_t * p, void *arg, int mode)
661 afs_int32(*perproc_func) (struct proc *) = arg;
663 /* we pass in the function pointer for arg,
664 * mode ==0 for startup call, ==1 for each valid proc,
665 * and ==2 for terminate call.
668 code = perproc_func(p);
672 #endif /* AFS_SGI65_ENV */
675 afs_osi_TraverseProcTable(void)
677 procscan(SGI_ProcScanFunc, afs_GCPAGs_perproc_func);
679 #endif /* AFS_SGI_ENV */
681 #if defined(AFS_AIX_ENV)
683 #define max_proc v.ve_proc
686 afs_osi_TraverseProcTable(void)
692 * For binary compatibility, on AIX we need to be careful to use the
693 * proper size of a struct proc, even if it is different from what
694 * we were compiled with.
696 if (!afs_gcpags_procsize)
699 #ifndef AFS_AIX51_ENV
700 simple_lock(&proc_tbl_lock);
702 for (p = (struct proc *)v.vb_proc, i = 0; p < max_proc;
703 p = (struct proc *)((char *)p + afs_gcpags_procsize), i++) {
706 if (p->p_pvprocp->pv_stat == SNONE)
708 if (p->p_pvprocp->pv_stat == SIDL)
710 if (p->p_pvprocp->pv_stat == SEXIT)
713 if (p->p_stat == SNONE)
715 if (p->p_stat == SIDL)
717 if (p->p_stat == SEXIT)
723 if (PROCMASK(p->p_pid) != i) {
724 afs_gcpags = AFS_GCPAGS_EPIDCHECK;
730 if ((p->p_nice < P_NICE_MIN) || (P_NICE_MAX < p->p_nice)) {
731 afs_gcpags = AFS_GCPAGS_ENICECHECK;
735 afs_GCPAGs_perproc_func(p);
737 #ifndef AFS_AIX51_ENV
738 simple_unlock(&proc_tbl_lock);
743 #if defined(AFS_OSF_ENV)
746 extern struct pid_entry *pidtab;
751 afs_osi_TraverseProcTable(void)
753 struct pid_entry *pe;
755 #define pidNPID (pidtab + npid)
760 for (pe = pidtab; pe < pidNPID; ++pe) {
761 if (pe->pe_proc != PROC_NULL)
762 afs_GCPAGs_perproc_func(pe->pe_proc);
768 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
770 afs_osi_TraverseProcTable(void)
773 LIST_FOREACH(p, &allproc, p_list) {
774 if (p->p_stat == SIDL)
776 if (p->p_stat == SZOMB)
778 if (p->p_flag & P_SYSTEM)
780 afs_GCPAGs_perproc_func(p);
785 #if defined(AFS_LINUX22_ENV)
786 extern rwlock_t tasklist_lock __attribute__((weak));
788 afs_osi_TraverseProcTable()
790 struct task_struct *p;
792 read_lock(&tasklist_lock);
793 #ifdef DEFINED_FOR_EACH_PROCESS
794 for_each_process(p) if (p->pid) {
795 #ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
799 if (p->state & TASK_ZOMBIE)
802 afs_GCPAGs_perproc_func(p);
805 for_each_task(p) if (p->pid) {
806 #ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
810 if (p->state & TASK_ZOMBIE)
813 afs_GCPAGs_perproc_func(p);
817 read_unlock(&tasklist_lock);
821 /* return a pointer (sometimes a static copy ) to the cred for a
823 * subsequent calls may overwrite the previously returned value.
826 #if defined(AFS_SGI65_ENV)
827 const struct AFS_UCRED *
828 afs_osi_proc2cred(AFS_PROC * p)
832 #elif defined(AFS_HPUX_ENV)
833 const struct AFS_UCRED *
834 afs_osi_proc2cred(AFS_PROC * p)
840 * Cannot use afs_warnuser() here, as the code path
841 * eventually wants to grab sched_lock, which is
847 #elif defined(AFS_AIX_ENV)
849 /* GLOBAL DECLARATIONS */
852 * LOCKS: the caller must do
853 * simple_lock(&proc_tbl_lock);
854 * simple_unlock(&proc_tbl_lock);
855 * around calls to this function.
858 const struct AFS_UCRED *
859 afs_osi_proc2cred(AFS_PROC * pproc)
861 struct AFS_UCRED *pcred = 0;
864 * pointer to process user structure valid in *our*
867 * The user structure for a process is stored in the user
868 * address space (as distinct from the kernel address
869 * space), and so to refer to the user structure of a
870 * different process we must employ special measures.
872 * I followed the example used in the AIX getproc() system
873 * call in bos/kernel/proc/getproc.c
875 struct user *xmem_userp;
877 struct xmem dp; /* ptr to xmem descriptor */
878 int xm; /* xmem result */
885 * The process private segment in which the user
886 * area is located may disappear. We need to increment
887 * its use count. Therefore we
888 * - get the proc_tbl_lock to hold the segment.
889 * - get the p_lock to lockout vm_cleardata.
890 * - vm_att to load the segment register (no check)
891 * - xmattach to bump its use count.
892 * - release the p_lock.
893 * - release the proc_tbl_lock.
894 * - do whatever we need.
895 * - xmdetach to decrement the use count.
896 * - vm_det to free the segment register (no check)
901 /* simple_lock(&proc_tbl_lock); */
903 if (pproc->p_adspace != vm_handle(NULLSEGID, (int32long64_t) 0)) {
905 if (pproc->p_adspace != NULLSEGVAL) {
909 simple_lock(&pproc->p_pvprocp->pv_lock);
911 simple_lock(&pproc->p_lock);
914 if (pproc->p_threadcount &&
916 pproc->p_pvprocp->pv_threadlist) {
918 pproc->p_threadlist) {
922 * arbitrarily pick the first thread in pproc
924 struct thread *pproc_thread =
926 pproc->p_pvprocp->pv_threadlist;
932 * location of 'struct user' in pproc's
935 struct user *pproc_userp = pproc_thread->t_userp;
938 * create a pointer valid in my own address space
941 xmem_userp = (struct user *)vm_att(pproc->p_adspace, pproc_userp);
943 dp.aspace_id = XMEM_INVAL;
944 xm = xmattach(xmem_userp, sizeof(*xmem_userp), &dp, SYS_ADSPACE);
948 simple_unlock(&pproc->p_pvprocp->pv_lock);
950 simple_unlock(&pproc->p_lock);
953 /* simple_unlock(&proc_tbl_lock); */
954 if (xm == XMEM_SUCC) {
956 static struct AFS_UCRED cred;
959 * What locking should we use to protect access to the user
960 * area? If needed also change the code in AIX/osi_groups.c.
963 /* copy cred to local address space */
964 cred = *xmem_userp->U_cred;
970 vm_det((void *)xmem_userp);
976 #elif defined(AFS_OSF_ENV)
977 const struct AFS_UCRED *
978 afs_osi_proc2cred(AFS_PROC * pr)
980 struct AFS_UCRED *rv = NULL;
986 if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
987 || (pr->p_stat == SSTOP))
992 #elif defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
993 const struct AFS_UCRED *
994 afs_osi_proc2cred(AFS_PROC * pr)
996 struct AFS_UCRED *rv = NULL;
997 static struct AFS_UCRED cr;
1003 if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
1004 || (pr->p_stat == SSTOP)) {
1007 cr.cr_uid = pr->p_cred->pc_ucred->cr_uid;
1008 cr.cr_ngroups = pr->p_cred->pc_ucred->cr_ngroups;
1009 memcpy(cr.cr_groups, pr->p_cred->pc_ucred->cr_groups,
1010 NGROUPS * sizeof(gid_t));
1017 #elif defined(AFS_LINUX22_ENV)
1018 const struct AFS_UCRED *
1019 afs_osi_proc2cred(AFS_PROC * pr)
1021 struct AFS_UCRED *rv = NULL;
1022 static struct AFS_UCRED cr;
1028 if ((pr->state == TASK_RUNNING) || (pr->state == TASK_INTERRUPTIBLE)
1029 || (pr->state == TASK_UNINTERRUPTIBLE)
1030 || (pr->state == TASK_STOPPED)) {
1032 cr.cr_uid = pr->uid;
1033 #if defined(AFS_LINUX26_ENV)
1034 get_group_info(pr->group_info);
1035 cr.cr_group_info = pr->group_info;
1037 cr.cr_ngroups = pr->ngroups;
1038 memcpy(cr.cr_groups, pr->groups, NGROUPS * sizeof(gid_t));
1046 const struct AFS_UCRED *
1047 afs_osi_proc2cred(AFS_PROC * pr)
1049 struct AFS_UCRED *rv = NULL;
1060 #endif /* AFS_GCPAGS */