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_DARWIN80_ENV)
290 #elif defined(AFS_DARWIN_ENV)
291 /* maybe call init_process instead? */
292 current_proc()->p_flag |= P_SYSTEM;
293 #elif defined(AFS_XBSD_ENV)
294 curproc->p_flag |= P_SYSTEM;
295 #elif defined(AFS_SGI_ENV)
299 AFS_STATCNT(osi_Invisible);
303 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
304 /* set the real time */
306 afs_osi_SetTime(osi_timeval_t * atv)
308 #if defined(AFS_AIX32_ENV)
309 struct timestruc_t t;
311 t.tv_sec = atv->tv_sec;
312 t.tv_nsec = atv->tv_usec * 1000;
313 ksettimer(&t); /* Was -> settimer(TIMEOFDAY, &t); */
314 #elif defined(AFS_SUN55_ENV)
316 #elif defined(AFS_SUN5_ENV)
318 * To get more than second resolution we can use adjtime. The problem
319 * is that the usecs from the server are wrong (by now) so it isn't
320 * worth complicating the following code.
326 sta.time = atv->tv_sec;
329 #elif defined(AFS_SGI_ENV)
335 sta.time = atv->tv_sec;
338 #elif defined(AFS_DARWIN_ENV)
343 /* stolen from kern_time.c */
345 boottime.tv_sec += atv->tv_sec - time.tv_sec;
349 #if !defined(AFS_HPUX1122_ENV)
350 /* drop the setting of the clock for now. spl7 is not
355 t.tv_sec = atv->tv_sec;
356 t.tv_usec = atv->tv_usec;
373 logtchg(atv->tv_sec);
375 #endif /* AFS_DARWIN_ENV */
376 AFS_STATCNT(osi_SetTime);
378 #endif /* AFS_LINUX20_ENV */
382 afs_osi_Alloc(size_t x)
384 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
385 register struct osimem *tm = NULL;
389 AFS_STATCNT(osi_Alloc);
390 /* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
391 * things so that NULL returned iff an error occurred */
395 AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
396 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
397 #ifdef AFS_LINUX20_ENV
398 return osi_linux_alloc(x, 1);
399 #elif defined(AFS_FBSD_ENV)
400 return osi_fbsd_alloc(x, 1);
403 tm = (struct osimem *)AFS_KALLOC(size);
406 osi_Panic("osi_Alloc: Couldn't allocate %d bytes; out of memory!\n",
413 #if defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV)
416 afs_osi_Alloc_NoSleep(size_t x)
418 register struct osimem *tm;
421 AFS_STATCNT(osi_Alloc);
422 /* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
423 * things so that NULL returned iff an error occurred */
428 AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
429 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
430 tm = (struct osimem *)AFS_KALLOC_NOSLEEP(size);
434 #endif /* SUN || SGI */
437 afs_osi_Free(void *x, size_t asize)
439 AFS_STATCNT(osi_Free);
441 return; /* check for putting memZero back */
443 AFS_STATS(afs_stats_cmperf.OutStandingAllocs--);
444 AFS_STATS(afs_stats_cmperf.OutStandingMemUsage -= asize);
445 #if defined(AFS_LINUX20_ENV)
447 #elif defined(AFS_FBSD_ENV)
450 AFS_KFREE((struct osimem *)x, asize);
455 afs_osi_FreeStr(char *x)
457 afs_osi_Free(x, strlen(x) + 1);
460 /* ? is it moderately likely that there are dirty VM pages associated with
463 * Prereqs: avc must be write-locked
465 * System Dependencies: - *must* support each type of system for which
466 * memory mapped files are supported, even if all
467 * it does is return TRUE;
469 * NB: this routine should err on the side of caution for ProcessFS to work
470 * correctly (or at least, not to introduce worse bugs than already exist)
474 osi_VMDirty_p(struct vcache *avc)
478 if (avc->execsOrWriters <= 0)
479 return 0; /* can't be many dirty pages here, I guess */
481 #if defined (AFS_AIX32_ENV)
483 /* because of the level of hardware involvment with VM and all the
484 * warnings about "This routine must be called at VMM interrupt
485 * level", I thought it would be safest to disable interrupts while
486 * looking at the software page fault table. */
488 /* convert vm handle into index into array: I think that stoinio is
489 * always zero... Look into this XXX */
490 #define VMHASH(handle) ( \
491 ( ((handle) & ~vmker.stoinio) \
492 ^ ((((handle) & ~vmker.stoinio) & vmker.stoimask) << vmker.stoihash) \
496 unsigned int pagef, pri, index, next;
498 index = VMHASH(avc->segid);
499 if (scb_valid(index)) { /* could almost be an ASSERT */
501 pri = disable_ints();
502 for (pagef = scb_sidlist(index); pagef >= 0; pagef = next) {
503 next = pft_sidfwd(pagef);
504 if (pft_modbit(pagef)) { /* has page frame been modified? */
514 #endif /* AFS_AIX32_ENV */
516 #if defined (AFS_SUN5_ENV)
517 if (avc->states & CMAPPED) {
519 for (pg = avc->v.v_s.v_Pages; pg; pg = pg->p_vpnext) {
532 * Solaris osi_ReleaseVM should not drop and re-obtain the vcache entry lock.
533 * This leads to bad races when osi_ReleaseVM() is called from
534 * afs_InvalidateAllSegments().
536 * We can do this because Solaris osi_VM_Truncate() doesn't care whether the
537 * vcache entry lock is held or not.
539 * For other platforms, in some cases osi_VM_Truncate() doesn't care, but
540 * there may be cases where it does care. If so, it would be good to fix
541 * them so they don't care. Until then, we assume the worst.
543 * Locking: the vcache entry lock is held. It is dropped and re-obtained.
546 osi_ReleaseVM(struct vcache *avc, struct AFS_UCRED *acred)
550 osi_VM_Truncate(avc, 0, acred);
553 ReleaseWriteLock(&avc->lock);
555 osi_VM_Truncate(avc, 0, acred);
557 ObtainWriteLock(&avc->lock, 80);
565 AFS_STATCNT(shutdown_osi);
566 if (afs_cold_shutdown) {
567 LOCK_INIT(&afs_ftf, "afs_ftf");
573 afs_osi_suser(void *credp)
575 #if defined(AFS_SUN5_ENV)
576 return afs_suser(credp);
578 return afs_suser(NULL);
585 /* afs_osi_TraverseProcTable() - Walk through the systems process
586 * table, calling afs_GCPAGs_perproc_func() for each process.
589 #if defined(AFS_SUN5_ENV)
591 afs_osi_TraverseProcTable(void)
594 for (prp = practive; prp != NULL; prp = prp->p_next) {
595 afs_GCPAGs_perproc_func(prp);
600 #if defined(AFS_HPUX_ENV)
603 * NOTE: h/proc_private.h gives the process table locking rules
604 * It indicates that access to p_cred must be protected by
606 * mp_mtproc_unlock(p);
608 * The code in sys/pm_prot.c uses pcred_lock() to protect access to
609 * the process creds, and uses mp_mtproc_lock() only for audit-related
610 * changes. To be safe, we use both.
614 afs_osi_TraverseProcTable(void)
619 MP_SPINLOCK(activeproc_lock);
620 MP_SPINLOCK(sched_lock);
624 * Instead of iterating through all of proc[], traverse only
625 * the list of active processes. As an example of this,
626 * see foreach_process() in sys/vm_sched.c.
628 * We hold the locks for the entire scan in order to get a
629 * consistent view of the current set of creds.
632 for (p = proc; endchain == 0; p = &proc[p->p_fandx]) {
633 if (p->p_fandx == 0) {
641 afs_GCPAGs_perproc_func(p);
646 MP_SPINUNLOCK(sched_lock);
647 MP_SPINUNLOCK(activeproc_lock);
651 #if defined(AFS_SGI_ENV)
654 /* TODO: Fix this later. */
656 SGI_ProcScanFunc(void *p, void *arg, int mode)
660 #else /* AFS_SGI65_ENV */
662 SGI_ProcScanFunc(proc_t * p, void *arg, int mode)
664 afs_int32(*perproc_func) (struct proc *) = arg;
666 /* we pass in the function pointer for arg,
667 * mode ==0 for startup call, ==1 for each valid proc,
668 * and ==2 for terminate call.
671 code = perproc_func(p);
675 #endif /* AFS_SGI65_ENV */
678 afs_osi_TraverseProcTable(void)
680 procscan(SGI_ProcScanFunc, afs_GCPAGs_perproc_func);
682 #endif /* AFS_SGI_ENV */
684 #if defined(AFS_AIX_ENV)
686 #define max_proc v.ve_proc
689 afs_osi_TraverseProcTable(void)
695 * For binary compatibility, on AIX we need to be careful to use the
696 * proper size of a struct proc, even if it is different from what
697 * we were compiled with.
699 if (!afs_gcpags_procsize)
702 #ifndef AFS_AIX51_ENV
703 simple_lock(&proc_tbl_lock);
705 for (p = (struct proc *)v.vb_proc, i = 0; p < max_proc;
706 p = (struct proc *)((char *)p + afs_gcpags_procsize), i++) {
709 if (p->p_pvprocp->pv_stat == SNONE)
711 if (p->p_pvprocp->pv_stat == SIDL)
713 if (p->p_pvprocp->pv_stat == SEXIT)
716 if (p->p_stat == SNONE)
718 if (p->p_stat == SIDL)
720 if (p->p_stat == SEXIT)
726 if (PROCMASK(p->p_pid) != i) {
727 afs_gcpags = AFS_GCPAGS_EPIDCHECK;
733 if ((p->p_nice < P_NICE_MIN) || (P_NICE_MAX < p->p_nice)) {
734 afs_gcpags = AFS_GCPAGS_ENICECHECK;
738 afs_GCPAGs_perproc_func(p);
740 #ifndef AFS_AIX51_ENV
741 simple_unlock(&proc_tbl_lock);
746 #if defined(AFS_OSF_ENV)
749 extern struct pid_entry *pidtab;
754 afs_osi_TraverseProcTable(void)
756 struct pid_entry *pe;
758 #define pidNPID (pidtab + npid)
763 for (pe = pidtab; pe < pidNPID; ++pe) {
764 if (pe->pe_proc != PROC_NULL)
765 afs_GCPAGs_perproc_func(pe->pe_proc);
771 #if (defined(AFS_DARWIN_ENV) && !defined(AFS_DARWIN80_ENV)) || defined(AFS_FBSD_ENV)
773 afs_osi_TraverseProcTable(void)
776 LIST_FOREACH(p, &allproc, p_list) {
777 if (p->p_stat == SIDL)
779 if (p->p_stat == SZOMB)
781 if (p->p_flag & P_SYSTEM)
783 afs_GCPAGs_perproc_func(p);
788 #if defined(AFS_LINUX22_ENV)
789 extern rwlock_t tasklist_lock __attribute__((weak));
791 afs_osi_TraverseProcTable()
793 struct task_struct *p;
795 read_lock(&tasklist_lock);
796 #ifdef DEFINED_FOR_EACH_PROCESS
797 for_each_process(p) if (p->pid) {
798 #ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
802 if (p->state & TASK_ZOMBIE)
805 afs_GCPAGs_perproc_func(p);
808 for_each_task(p) if (p->pid) {
809 #ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
813 if (p->state & TASK_ZOMBIE)
816 afs_GCPAGs_perproc_func(p);
820 read_unlock(&tasklist_lock);
824 /* return a pointer (sometimes a static copy ) to the cred for a
826 * subsequent calls may overwrite the previously returned value.
829 #if defined(AFS_SGI65_ENV)
830 const struct AFS_UCRED *
831 afs_osi_proc2cred(AFS_PROC * p)
835 #elif defined(AFS_HPUX_ENV)
836 const struct AFS_UCRED *
837 afs_osi_proc2cred(AFS_PROC * p)
843 * Cannot use afs_warnuser() here, as the code path
844 * eventually wants to grab sched_lock, which is
850 #elif defined(AFS_AIX_ENV)
852 /* GLOBAL DECLARATIONS */
855 * LOCKS: the caller must do
856 * simple_lock(&proc_tbl_lock);
857 * simple_unlock(&proc_tbl_lock);
858 * around calls to this function.
861 const struct AFS_UCRED *
862 afs_osi_proc2cred(AFS_PROC * pproc)
864 struct AFS_UCRED *pcred = 0;
867 * pointer to process user structure valid in *our*
870 * The user structure for a process is stored in the user
871 * address space (as distinct from the kernel address
872 * space), and so to refer to the user structure of a
873 * different process we must employ special measures.
875 * I followed the example used in the AIX getproc() system
876 * call in bos/kernel/proc/getproc.c
878 struct user *xmem_userp;
880 struct xmem dp; /* ptr to xmem descriptor */
881 int xm; /* xmem result */
888 * The process private segment in which the user
889 * area is located may disappear. We need to increment
890 * its use count. Therefore we
891 * - get the proc_tbl_lock to hold the segment.
892 * - get the p_lock to lockout vm_cleardata.
893 * - vm_att to load the segment register (no check)
894 * - xmattach to bump its use count.
895 * - release the p_lock.
896 * - release the proc_tbl_lock.
897 * - do whatever we need.
898 * - xmdetach to decrement the use count.
899 * - vm_det to free the segment register (no check)
904 /* simple_lock(&proc_tbl_lock); */
906 if (pproc->p_adspace != vm_handle(NULLSEGID, (int32long64_t) 0)) {
908 if (pproc->p_adspace != NULLSEGVAL) {
912 simple_lock(&pproc->p_pvprocp->pv_lock);
914 simple_lock(&pproc->p_lock);
917 if (pproc->p_threadcount &&
919 pproc->p_pvprocp->pv_threadlist) {
921 pproc->p_threadlist) {
925 * arbitrarily pick the first thread in pproc
927 struct thread *pproc_thread =
929 pproc->p_pvprocp->pv_threadlist;
935 * location of 'struct user' in pproc's
938 struct user *pproc_userp = pproc_thread->t_userp;
941 * create a pointer valid in my own address space
944 xmem_userp = (struct user *)vm_att(pproc->p_adspace, pproc_userp);
946 dp.aspace_id = XMEM_INVAL;
947 xm = xmattach(xmem_userp, sizeof(*xmem_userp), &dp, SYS_ADSPACE);
951 simple_unlock(&pproc->p_pvprocp->pv_lock);
953 simple_unlock(&pproc->p_lock);
956 /* simple_unlock(&proc_tbl_lock); */
957 if (xm == XMEM_SUCC) {
959 static struct AFS_UCRED cred;
962 * What locking should we use to protect access to the user
963 * area? If needed also change the code in AIX/osi_groups.c.
966 /* copy cred to local address space */
967 cred = *xmem_userp->U_cred;
973 vm_det((void *)xmem_userp);
979 #elif defined(AFS_OSF_ENV)
980 const struct AFS_UCRED *
981 afs_osi_proc2cred(AFS_PROC * pr)
983 struct AFS_UCRED *rv = NULL;
989 if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
990 || (pr->p_stat == SSTOP))
995 #elif defined(AFS_DARWIN80_ENV)
996 const struct AFS_UCRED *
997 afs_osi_proc2cred(AFS_PROC * pr)
999 struct AFS_UCRED *rv = NULL;
1000 static struct AFS_UCRED cr;
1001 struct ucred *pcred;
1006 pcred = proc_ucred(pr);
1008 cr.cr_uid = pcred->cr_uid;
1009 cr.cr_ngroups = pcred->cr_ngroups;
1010 memcpy(cr.cr_groups, pcred->cr_groups,
1011 NGROUPS * sizeof(gid_t));
1014 #elif defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1015 const struct AFS_UCRED *
1016 afs_osi_proc2cred(AFS_PROC * pr)
1018 struct AFS_UCRED *rv = NULL;
1019 static struct AFS_UCRED cr;
1025 if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
1026 || (pr->p_stat == SSTOP)) {
1029 cr.cr_uid = pr->p_cred->pc_ucred->cr_uid;
1030 cr.cr_ngroups = pr->p_cred->pc_ucred->cr_ngroups;
1031 memcpy(cr.cr_groups, pr->p_cred->pc_ucred->cr_groups,
1032 NGROUPS * sizeof(gid_t));
1039 #elif defined(AFS_LINUX22_ENV)
1040 const struct AFS_UCRED *
1041 afs_osi_proc2cred(AFS_PROC * pr)
1043 struct AFS_UCRED *rv = NULL;
1044 static struct AFS_UCRED cr;
1050 if ((pr->state == TASK_RUNNING) || (pr->state == TASK_INTERRUPTIBLE)
1051 || (pr->state == TASK_UNINTERRUPTIBLE)
1052 || (pr->state == TASK_STOPPED)) {
1054 cr.cr_uid = pr->uid;
1055 #if defined(AFS_LINUX26_ENV)
1056 get_group_info(pr->group_info);
1057 cr.cr_group_info = pr->group_info;
1059 cr.cr_ngroups = pr->ngroups;
1060 memcpy(cr.cr_groups, pr->groups, NGROUPS * sizeof(gid_t));
1068 const struct AFS_UCRED *
1069 afs_osi_proc2cred(AFS_PROC * pr)
1071 struct AFS_UCRED *rv = NULL;
1082 #endif /* AFS_GCPAGS */