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 #if !defined(AFS_DARWIN80_ENV)
64 lockinit(&afs_global_lock, PLOCK, "afs global lock", 0, 0);
67 #elif defined(AFS_AIX41_ENV)
68 lock_alloc((void *)&afs_global_lock, LOCK_ALLOC_PIN, 1, 1);
69 simple_lock_init((void *)&afs_global_lock);
70 #elif !defined(AFS_LINUX22_ENV)
71 /* Linux initialization in osi directory. Should move the others. */
72 mutex_init(&afs_global_lock, "afs_global_lock", MUTEX_DEFAULT, NULL);
74 /* afs_rxglobal_lock is initialized in rx_Init. */
75 #endif /* AFS_GLOBAL_SUNLOCK */
76 #endif /* AFS_HPUX_ENV */
78 if (!afs_osicred_initialized) {
79 #if defined(AFS_XBSD_ENV)
80 /* Can't just invent one, must use crget() because of mutex */
81 afs_osi_credp = crdup(osi_curcred());
83 memset(&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
84 #if defined(AFS_LINUX26_ENV)
85 afs_osi_cred.cr_group_info = groups_alloc(0);
87 crhold(&afs_osi_cred); /* don't let it evaporate */
88 afs_osi_credp = &afs_osi_cred;
90 afs_osicred_initialized = 1;
93 osi_flid.fl_pid = osi_flid.fl_sysid = 0;
96 init_et_to_sys_error();
100 osi_Active(register struct vcache *avc)
102 AFS_STATCNT(osi_Active);
103 #if defined(AFS_AIX_ENV) || defined(AFS_OSF_ENV) || defined(AFS_SUN5_ENV) || (AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
104 if ((avc->opens > 0) || (avc->states & CMAPPED))
105 return 1; /* XXX: Warning, verify this XXX */
106 #elif defined(AFS_SGI_ENV)
107 if ((avc->opens > 0) || AFS_VN_MAPPED(AFSTOV(avc)))
110 if (avc->opens > 0 || (AFSTOV(avc)->v_flag & VTEXT))
116 /* this call, unlike osi_FlushText, is supposed to discard caches that may
117 contain invalid information if a file is written remotely, but that may
118 contain valid information that needs to be written back if the file is
119 being written locally. It doesn't subsume osi_FlushText, since the latter
120 function may be needed to flush caches that are invalidated by local writes.
122 avc->pvnLock is already held, avc->lock is guaranteed not to be held (by
126 osi_FlushPages(register struct vcache *avc, struct AFS_UCRED *credp)
129 ObtainReadLock(&avc->lock);
130 /* If we've already purged this version, or if we're the ones
131 * writing this version, don't flush it (could lose the
132 * data we're writing). */
133 if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0)
134 || ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
135 ReleaseReadLock(&avc->lock);
138 ReleaseReadLock(&avc->lock);
139 ObtainWriteLock(&avc->lock, 10);
141 if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0)
142 || ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
143 ReleaseWriteLock(&avc->lock);
146 if (hiszero(avc->mapDV)) {
147 hset(avc->mapDV, avc->m.DataVersion);
148 ReleaseWriteLock(&avc->lock);
152 AFS_STATCNT(osi_FlushPages);
153 hset(origDV, avc->m.DataVersion);
154 afs_Trace3(afs_iclSetp, CM_TRACE_FLUSHPAGES, ICL_TYPE_POINTER, avc,
155 ICL_TYPE_INT32, origDV.low, ICL_TYPE_INT32, avc->m.Length);
157 ReleaseWriteLock(&avc->lock);
159 osi_VM_FlushPages(avc, credp);
161 ObtainWriteLock(&avc->lock, 88);
163 /* do this last, and to original version, since stores may occur
164 * while executing above PUTPAGE call */
165 hset(avc->mapDV, origDV);
166 ReleaseWriteLock(&avc->lock);
169 afs_lock_t afs_ftf; /* flush text lock */
173 /* This call is supposed to flush all caches that might be invalidated
174 * by either a local write operation or a write operation done on
175 * another client. This call may be called repeatedly on the same
176 * version of a file, even while a file is being written, so it
177 * shouldn't do anything that would discard newly written data before
178 * it is written to the file system. */
181 osi_FlushText_really(register struct vcache *vp)
183 afs_hyper_t fdv; /* version before which we'll flush */
185 AFS_STATCNT(osi_FlushText);
186 /* see if we've already flushed this data version */
187 if (hcmp(vp->m.DataVersion, vp->flushDV) <= 0)
190 MObtainWriteLock(&afs_ftf, 317);
191 hset(fdv, vp->m.DataVersion);
193 /* why this disgusting code below?
194 * xuntext, called by xrele, doesn't notice when it is called
195 * with a freed text object. Sun continually calls xrele or xuntext
196 * without any locking, as long as VTEXT is set on the
197 * corresponding vnode.
198 * But, if the text object is locked when you check the VTEXT
199 * flag, several processes can wait in xuntext, waiting for the
200 * text lock; when the second one finally enters xuntext's
201 * critical region, the text object is already free, but the check
202 * was already done by xuntext's caller.
203 * Even worse, it turns out that xalloc locks the text object
204 * before reading or stating a file via the vnode layer. Thus, we
205 * could end up in getdcache, being asked to bring in a new
206 * version of a file, but the corresponding text object could be
207 * locked. We can't flush the text object without causing
208 * deadlock, so now we just don't try to lock the text object
209 * unless it is guaranteed to work. And we try to flush the text
210 * when we need to a bit more often at the vnode layer. Sun
211 * really blew the vm-cache flushing interface.
214 #if defined (AFS_HPUX_ENV)
215 if (vp->v.v_flag & VTEXT) {
218 if (vp->v.v_flag & VTEXT) { /* still has a text object? */
219 MReleaseWriteLock(&afs_ftf);
225 /* next do the stuff that need not check for deadlock problems */
228 /* finally, record that we've done it */
229 hset(vp->flushDV, fdv);
230 MReleaseWriteLock(&afs_ftf);
233 #endif /* AFS_TEXT_ENV */
235 /* mask signals in afsds */
237 afs_osi_MaskSignals(void)
239 #ifdef AFS_LINUX22_ENV
244 /* unmask signals in rxk listener */
246 afs_osi_UnmaskRxkSignals(void)
250 /* Two hacks to try and fix afsdb */
252 afs_osi_MaskUserLoop()
254 #ifdef AFS_DARWIN_ENV
256 afs_osi_fullSigMask();
258 afs_osi_MaskSignals();
263 afs_osi_UnmaskUserLoop()
265 #ifdef AFS_DARWIN_ENV
266 afs_osi_fullSigRestore();
270 /* register rxk listener proc info */
272 afs_osi_RxkRegister(void)
274 #ifdef AFS_LINUX22_ENV
279 /* procedure for making our processes as invisible as we can */
281 afs_osi_Invisible(void)
283 #ifdef AFS_LINUX22_ENV
284 afs_osi_MaskSignals();
285 #elif defined(AFS_SUN5_ENV)
286 curproc->p_flag |= SSYS;
287 #elif defined(AFS_HPUX101_ENV) && !defined(AFS_HPUX1123_ENV)
288 set_system_proc(u.u_procp);
289 #elif defined(AFS_DARWIN_ENV)
290 /* maybe call init_process instead? */
291 current_proc()->p_flag |= P_SYSTEM;
292 #elif defined(AFS_XBSD_ENV)
293 curproc->p_flag |= P_SYSTEM;
294 #elif defined(AFS_SGI_ENV)
298 AFS_STATCNT(osi_Invisible);
302 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
303 /* set the real time */
305 afs_osi_SetTime(osi_timeval_t * atv)
307 #if defined(AFS_AIX32_ENV)
308 struct timestruc_t t;
310 t.tv_sec = atv->tv_sec;
311 t.tv_nsec = atv->tv_usec * 1000;
312 ksettimer(&t); /* Was -> settimer(TIMEOFDAY, &t); */
313 #elif defined(AFS_SUN55_ENV)
315 #elif defined(AFS_SUN5_ENV)
317 * To get more than second resolution we can use adjtime. The problem
318 * is that the usecs from the server are wrong (by now) so it isn't
319 * worth complicating the following code.
325 sta.time = atv->tv_sec;
328 #elif defined(AFS_SGI_ENV)
334 sta.time = atv->tv_sec;
337 #elif defined(AFS_DARWIN_ENV)
342 /* stolen from kern_time.c */
344 boottime.tv_sec += atv->tv_sec - time.tv_sec;
348 #if !defined(AFS_HPUX1122_ENV)
349 /* drop the setting of the clock for now. spl7 is not
354 t.tv_sec = atv->tv_sec;
355 t.tv_usec = atv->tv_usec;
372 logtchg(atv->tv_sec);
374 #endif /* AFS_DARWIN_ENV */
375 AFS_STATCNT(osi_SetTime);
377 #endif /* AFS_LINUX20_ENV */
381 afs_osi_Alloc(size_t x)
383 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
384 register struct osimem *tm = NULL;
388 AFS_STATCNT(osi_Alloc);
389 /* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
390 * things so that NULL returned iff an error occurred */
394 AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
395 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
396 #ifdef AFS_LINUX20_ENV
397 return osi_linux_alloc(x, 1);
398 #elif defined(AFS_FBSD_ENV)
399 return osi_fbsd_alloc(x, 1);
402 tm = (struct osimem *)AFS_KALLOC(size);
405 osi_Panic("osi_Alloc: Couldn't allocate %d bytes; out of memory!\n",
412 #if defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV)
415 afs_osi_Alloc_NoSleep(size_t x)
417 register struct osimem *tm;
420 AFS_STATCNT(osi_Alloc);
421 /* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
422 * things so that NULL returned iff an error occurred */
427 AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
428 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
429 tm = (struct osimem *)AFS_KALLOC_NOSLEEP(size);
433 #endif /* SUN || SGI */
436 afs_osi_Free(void *x, size_t asize)
438 AFS_STATCNT(osi_Free);
440 return; /* check for putting memZero back */
442 AFS_STATS(afs_stats_cmperf.OutStandingAllocs--);
443 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage -= asize);
444 #if defined(AFS_LINUX20_ENV)
446 #elif defined(AFS_FBSD_ENV)
449 AFS_KFREE((struct osimem *)x, asize);
454 afs_osi_FreeStr(char *x)
456 afs_osi_Free(x, strlen(x) + 1);
459 /* ? is it moderately likely that there are dirty VM pages associated with
462 * Prereqs: avc must be write-locked
464 * System Dependencies: - *must* support each type of system for which
465 * memory mapped files are supported, even if all
466 * it does is return TRUE;
468 * NB: this routine should err on the side of caution for ProcessFS to work
469 * correctly (or at least, not to introduce worse bugs than already exist)
473 osi_VMDirty_p(struct vcache *avc)
477 if (avc->execsOrWriters <= 0)
478 return 0; /* can't be many dirty pages here, I guess */
480 #if defined (AFS_AIX32_ENV)
482 /* because of the level of hardware involvment with VM and all the
483 * warnings about "This routine must be called at VMM interrupt
484 * level", I thought it would be safest to disable interrupts while
485 * looking at the software page fault table. */
487 /* convert vm handle into index into array: I think that stoinio is
488 * always zero... Look into this XXX */
489 #define VMHASH(handle) ( \
490 ( ((handle) & ~vmker.stoinio) \
491 ^ ((((handle) & ~vmker.stoinio) & vmker.stoimask) << vmker.stoihash) \
495 unsigned int pagef, pri, index, next;
497 index = VMHASH(avc->segid);
498 if (scb_valid(index)) { /* could almost be an ASSERT */
500 pri = disable_ints();
501 for (pagef = scb_sidlist(index); pagef >= 0; pagef = next) {
502 next = pft_sidfwd(pagef);
503 if (pft_modbit(pagef)) { /* has page frame been modified? */
513 #endif /* AFS_AIX32_ENV */
515 #if defined (AFS_SUN5_ENV)
516 if (avc->states & CMAPPED) {
518 for (pg = avc->v.v_s.v_Pages; pg; pg = pg->p_vpnext) {
531 * Solaris osi_ReleaseVM should not drop and re-obtain the vcache entry lock.
532 * This leads to bad races when osi_ReleaseVM() is called from
533 * afs_InvalidateAllSegments().
535 * We can do this because Solaris osi_VM_Truncate() doesn't care whether the
536 * vcache entry lock is held or not.
538 * For other platforms, in some cases osi_VM_Truncate() doesn't care, but
539 * there may be cases where it does care. If so, it would be good to fix
540 * them so they don't care. Until then, we assume the worst.
542 * Locking: the vcache entry lock is held. It is dropped and re-obtained.
545 osi_ReleaseVM(struct vcache *avc, struct AFS_UCRED *acred)
549 osi_VM_Truncate(avc, 0, acred);
552 ReleaseWriteLock(&avc->lock);
554 osi_VM_Truncate(avc, 0, acred);
556 ObtainWriteLock(&avc->lock, 80);
564 AFS_STATCNT(shutdown_osi);
565 if (afs_cold_shutdown) {
566 LOCK_INIT(&afs_ftf, "afs_ftf");
572 afs_osi_suser(void *credp)
574 #if defined(AFS_SUN5_ENV)
575 return afs_suser(credp);
577 return afs_suser(NULL);
584 /* afs_osi_TraverseProcTable() - Walk through the systems process
585 * table, calling afs_GCPAGs_perproc_func() for each process.
588 #if defined(AFS_SUN5_ENV)
590 afs_osi_TraverseProcTable(void)
593 for (prp = practive; prp != NULL; prp = prp->p_next) {
594 afs_GCPAGs_perproc_func(prp);
599 #if defined(AFS_HPUX_ENV)
602 * NOTE: h/proc_private.h gives the process table locking rules
603 * It indicates that access to p_cred must be protected by
605 * mp_mtproc_unlock(p);
607 * The code in sys/pm_prot.c uses pcred_lock() to protect access to
608 * the process creds, and uses mp_mtproc_lock() only for audit-related
609 * changes. To be safe, we use both.
613 afs_osi_TraverseProcTable(void)
618 MP_SPINLOCK(activeproc_lock);
619 MP_SPINLOCK(sched_lock);
623 * Instead of iterating through all of proc[], traverse only
624 * the list of active processes. As an example of this,
625 * see foreach_process() in sys/vm_sched.c.
627 * We hold the locks for the entire scan in order to get a
628 * consistent view of the current set of creds.
631 for (p = proc; endchain == 0; p = &proc[p->p_fandx]) {
632 if (p->p_fandx == 0) {
640 afs_GCPAGs_perproc_func(p);
645 MP_SPINUNLOCK(sched_lock);
646 MP_SPINUNLOCK(activeproc_lock);
650 #if defined(AFS_SGI_ENV)
653 /* TODO: Fix this later. */
655 SGI_ProcScanFunc(void *p, void *arg, int mode)
659 #else /* AFS_SGI65_ENV */
661 SGI_ProcScanFunc(proc_t * p, void *arg, int mode)
663 afs_int32(*perproc_func) (struct proc *) = arg;
665 /* we pass in the function pointer for arg,
666 * mode ==0 for startup call, ==1 for each valid proc,
667 * and ==2 for terminate call.
670 code = perproc_func(p);
674 #endif /* AFS_SGI65_ENV */
677 afs_osi_TraverseProcTable(void)
679 procscan(SGI_ProcScanFunc, afs_GCPAGs_perproc_func);
681 #endif /* AFS_SGI_ENV */
683 #if defined(AFS_AIX_ENV)
685 #define max_proc v.ve_proc
688 afs_osi_TraverseProcTable(void)
694 * For binary compatibility, on AIX we need to be careful to use the
695 * proper size of a struct proc, even if it is different from what
696 * we were compiled with.
698 if (!afs_gcpags_procsize)
701 #ifndef AFS_AIX51_ENV
702 simple_lock(&proc_tbl_lock);
704 for (p = (struct proc *)v.vb_proc, i = 0; p < max_proc;
705 p = (struct proc *)((char *)p + afs_gcpags_procsize), i++) {
708 if (p->p_pvprocp->pv_stat == SNONE)
710 if (p->p_pvprocp->pv_stat == SIDL)
712 if (p->p_pvprocp->pv_stat == SEXIT)
715 if (p->p_stat == SNONE)
717 if (p->p_stat == SIDL)
719 if (p->p_stat == SEXIT)
725 if (PROCMASK(p->p_pid) != i) {
726 afs_gcpags = AFS_GCPAGS_EPIDCHECK;
732 if ((p->p_nice < P_NICE_MIN) || (P_NICE_MAX < p->p_nice)) {
733 afs_gcpags = AFS_GCPAGS_ENICECHECK;
737 afs_GCPAGs_perproc_func(p);
739 #ifndef AFS_AIX51_ENV
740 simple_unlock(&proc_tbl_lock);
745 #if defined(AFS_OSF_ENV)
748 extern struct pid_entry *pidtab;
753 afs_osi_TraverseProcTable(void)
755 struct pid_entry *pe;
757 #define pidNPID (pidtab + npid)
762 for (pe = pidtab; pe < pidNPID; ++pe) {
763 if (pe->pe_proc != PROC_NULL)
764 afs_GCPAGs_perproc_func(pe->pe_proc);
770 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
772 afs_osi_TraverseProcTable(void)
775 LIST_FOREACH(p, &allproc, p_list) {
776 if (p->p_stat == SIDL)
778 if (p->p_stat == SZOMB)
780 if (p->p_flag & P_SYSTEM)
782 afs_GCPAGs_perproc_func(p);
787 #if defined(AFS_LINUX22_ENV)
788 extern rwlock_t tasklist_lock __attribute__((weak));
790 afs_osi_TraverseProcTable()
792 struct task_struct *p;
794 read_lock(&tasklist_lock);
795 #ifdef DEFINED_FOR_EACH_PROCESS
796 for_each_process(p) if (p->pid) {
797 #ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
801 if (p->state & TASK_ZOMBIE)
804 afs_GCPAGs_perproc_func(p);
807 for_each_task(p) if (p->pid) {
808 #ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
812 if (p->state & TASK_ZOMBIE)
815 afs_GCPAGs_perproc_func(p);
819 read_unlock(&tasklist_lock);
823 /* return a pointer (sometimes a static copy ) to the cred for a
825 * subsequent calls may overwrite the previously returned value.
828 #if defined(AFS_SGI65_ENV)
829 const struct AFS_UCRED *
830 afs_osi_proc2cred(AFS_PROC * p)
834 #elif defined(AFS_HPUX_ENV)
835 const struct AFS_UCRED *
836 afs_osi_proc2cred(AFS_PROC * p)
842 * Cannot use afs_warnuser() here, as the code path
843 * eventually wants to grab sched_lock, which is
849 #elif defined(AFS_AIX_ENV)
851 /* GLOBAL DECLARATIONS */
854 * LOCKS: the caller must do
855 * simple_lock(&proc_tbl_lock);
856 * simple_unlock(&proc_tbl_lock);
857 * around calls to this function.
860 const struct AFS_UCRED *
861 afs_osi_proc2cred(AFS_PROC * pproc)
863 struct AFS_UCRED *pcred = 0;
866 * pointer to process user structure valid in *our*
869 * The user structure for a process is stored in the user
870 * address space (as distinct from the kernel address
871 * space), and so to refer to the user structure of a
872 * different process we must employ special measures.
874 * I followed the example used in the AIX getproc() system
875 * call in bos/kernel/proc/getproc.c
877 struct user *xmem_userp;
879 struct xmem dp; /* ptr to xmem descriptor */
880 int xm; /* xmem result */
887 * The process private segment in which the user
888 * area is located may disappear. We need to increment
889 * its use count. Therefore we
890 * - get the proc_tbl_lock to hold the segment.
891 * - get the p_lock to lockout vm_cleardata.
892 * - vm_att to load the segment register (no check)
893 * - xmattach to bump its use count.
894 * - release the p_lock.
895 * - release the proc_tbl_lock.
896 * - do whatever we need.
897 * - xmdetach to decrement the use count.
898 * - vm_det to free the segment register (no check)
903 /* simple_lock(&proc_tbl_lock); */
905 if (pproc->p_adspace != vm_handle(NULLSEGID, (int32long64_t) 0)) {
907 if (pproc->p_adspace != NULLSEGVAL) {
911 simple_lock(&pproc->p_pvprocp->pv_lock);
913 simple_lock(&pproc->p_lock);
916 if (pproc->p_threadcount &&
918 pproc->p_pvprocp->pv_threadlist) {
920 pproc->p_threadlist) {
924 * arbitrarily pick the first thread in pproc
926 struct thread *pproc_thread =
928 pproc->p_pvprocp->pv_threadlist;
934 * location of 'struct user' in pproc's
937 struct user *pproc_userp = pproc_thread->t_userp;
940 * create a pointer valid in my own address space
943 xmem_userp = (struct user *)vm_att(pproc->p_adspace, pproc_userp);
945 dp.aspace_id = XMEM_INVAL;
946 xm = xmattach(xmem_userp, sizeof(*xmem_userp), &dp, SYS_ADSPACE);
950 simple_unlock(&pproc->p_pvprocp->pv_lock);
952 simple_unlock(&pproc->p_lock);
955 /* simple_unlock(&proc_tbl_lock); */
956 if (xm == XMEM_SUCC) {
958 static struct AFS_UCRED cred;
961 * What locking should we use to protect access to the user
962 * area? If needed also change the code in AIX/osi_groups.c.
965 /* copy cred to local address space */
966 cred = *xmem_userp->U_cred;
972 vm_det((void *)xmem_userp);
978 #elif defined(AFS_OSF_ENV)
979 const struct AFS_UCRED *
980 afs_osi_proc2cred(AFS_PROC * pr)
982 struct AFS_UCRED *rv = NULL;
988 if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
989 || (pr->p_stat == SSTOP))
994 #elif defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
995 const struct AFS_UCRED *
996 afs_osi_proc2cred(AFS_PROC * pr)
998 struct AFS_UCRED *rv = NULL;
999 static struct AFS_UCRED cr;
1005 if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
1006 || (pr->p_stat == SSTOP)) {
1009 cr.cr_uid = pr->p_cred->pc_ucred->cr_uid;
1010 cr.cr_ngroups = pr->p_cred->pc_ucred->cr_ngroups;
1011 memcpy(cr.cr_groups, pr->p_cred->pc_ucred->cr_groups,
1012 NGROUPS * sizeof(gid_t));
1019 #elif defined(AFS_LINUX22_ENV)
1020 const struct AFS_UCRED *
1021 afs_osi_proc2cred(AFS_PROC * pr)
1023 struct AFS_UCRED *rv = NULL;
1024 static struct AFS_UCRED cr;
1030 if ((pr->state == TASK_RUNNING) || (pr->state == TASK_INTERRUPTIBLE)
1031 || (pr->state == TASK_UNINTERRUPTIBLE)
1032 || (pr->state == TASK_STOPPED)) {
1034 cr.cr_uid = pr->uid;
1035 #if defined(AFS_LINUX26_ENV)
1036 get_group_info(pr->group_info);
1037 cr.cr_group_info = pr->group_info;
1039 cr.cr_ngroups = pr->ngroups;
1040 memcpy(cr.cr_groups, pr->groups, NGROUPS * sizeof(gid_t));
1048 const struct AFS_UCRED *
1049 afs_osi_proc2cred(AFS_PROC * pr)
1051 struct AFS_UCRED *rv = NULL;
1062 #endif /* AFS_GCPAGS */