/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
*/
-#include "../afs/param.h" /* Should be always first */
-#include "../afs/sysincludes.h" /* Standard vendor system headers */
-#include "../afs/afsincludes.h" /* Afs-based standard headers */
-#include "../afs/afs_stats.h" /* afs statistics */
+#include <afsconfig.h>
+#include "afs/param.h"
+
+RCSID
+ ("$Header$");
+
+#include "afs/sysincludes.h" /* Standard vendor system headers */
+#include "afsincludes.h" /* Afs-based standard headers */
+#include "afs/afs_stats.h" /* afs statistics */
#ifdef AFS_AIX_ENV
#include <sys/adspace.h> /* for vm_att(), vm_det() */
#endif
-static char memZero; /* address of 0 bytes for kmem_alloc */
-extern int afs_osicred_initialized;
+static char memZero; /* address of 0 bytes for kmem_alloc */
struct osimem {
struct osimem *next;
flid_t osi_flid;
#endif
-void osi_Init()
+#ifndef AFS_SGI_ENV
+/* I'm unsure where it's really coming from on Irix; afs_osi.h conflicts... */
+struct AFS_UCRED *afs_osi_credp;
+#endif
+
+void
+osi_Init(void)
{
static int once = 0;
- if (once++ > 0) /* just in case */
+ if (once++ > 0) /* just in case */
return;
#if defined(AFS_HPUX_ENV)
osi_InitGlock();
-#else /* AFS_HPUX_ENV */
+#else /* AFS_HPUX_ENV */
#if defined(AFS_GLOBAL_SUNLOCK)
#if defined(AFS_SGI62_ENV)
mutex_init(&afs_global_lock, MUTEX_DEFAULT, "afs_global_lock");
#elif defined(AFS_OSF_ENV)
usimple_lock_init(&afs_global_lock);
- afs_global_owner = (thread_t)0;
+ afs_global_owner = (thread_t) 0;
+#elif defined(AFS_FBSD50_ENV)
+ mtx_init(&afs_global_mtx, "AFS global lock", NULL, MTX_DEF);
+#elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+ lockinit(&afs_global_lock, PLOCK, "afs global lock", 0, 0);
+ afs_global_owner = 0;
#elif defined(AFS_AIX41_ENV)
- lock_alloc((void*)&afs_global_lock, LOCK_ALLOC_PIN, 1, 1);
+ lock_alloc((void *)&afs_global_lock, LOCK_ALLOC_PIN, 1, 1);
simple_lock_init((void *)&afs_global_lock);
-#else
-#ifndef AFS_LINUX22_ENV
- /* Linux initialization in osi directory. Should move the others. */
+#elif !defined(AFS_LINUX22_ENV)
+ /* Linux initialization in osi directory. Should move the others. */
mutex_init(&afs_global_lock, "afs_global_lock", MUTEX_DEFAULT, NULL);
#endif
-#endif
/* afs_rxglobal_lock is initialized in rx_Init. */
-#endif
-#endif /* AFS_HPUX_ENV */
+#endif /* AFS_GLOBAL_SUNLOCK */
+#endif /* AFS_HPUX_ENV */
- if ( !afs_osicred_initialized )
- {
- bzero((char *)&afs_osi_cred, sizeof(struct AFS_UCRED));
- crhold(&afs_osi_cred); /* don't let it evaporate */
- afs_osicred_initialized = 1;
- }
+ if (!afs_osicred_initialized) {
+#ifdef AFS_XBSD_ENV
+ /* Can't just invent one, must use crget() because of mutex */
+ afs_osi_credp = crdup(osi_curcred());
+#else
+ memset(&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
+ crhold(&afs_osi_cred); /* don't let it evaporate */
+ afs_osi_credp = &afs_osi_cred;
+#endif
+ afs_osicred_initialized = 1;
+ }
#ifdef AFS_SGI64_ENV
- osi_flid.fl_pid = osi_flid.fl_sysid = 0;
+ osi_flid.fl_pid = osi_flid.fl_sysid = 0;
#endif
+
+ init_et_to_sys_error();
}
-osi_Active(avc)
-register struct vcache *avc; {
+int
+osi_Active(register struct vcache *avc)
+{
AFS_STATCNT(osi_Active);
-#if defined(AFS_SUN_ENV) || defined(AFS_AIX_ENV) || defined(AFS_OSF_ENV) || defined(AFS_SUN5_ENV) || (AFS_LINUX20_ENV)
- if ((avc->opens > 0) || (avc->states & CMAPPED)) return 1; /* XXX: Warning, verify this XXX */
+#if defined(AFS_SUN_ENV) || defined(AFS_AIX_ENV) || defined(AFS_OSF_ENV) || defined(AFS_SUN5_ENV) || (AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
+ if ((avc->opens > 0) || (avc->states & CMAPPED))
+ return 1; /* XXX: Warning, verify this XXX */
+#elif defined(AFS_MACH_ENV)
+ if (avc->opens > 0
+ || ((avc->v.v_flag & VTEXT) && !inode_uncache_try(avc)))
+ return 1;
+#elif defined(AFS_SGI_ENV)
+ if ((avc->opens > 0) || AFS_VN_MAPPED(AFSTOV(avc)))
+ return 1;
#else
-#if defined(AFS_MACH_ENV)
- if (avc->opens > 0 || ((avc->v.v_flag & VTEXT) && !inode_uncache_try(avc))) return 1;
-#else
-#if defined(AFS_SGI_ENV)
- if ((avc->opens > 0) || AFS_VN_MAPPED((struct vnode *)avc))
- return 1;
-#else
- if (avc->opens > 0 || (avc->v.v_flag & VTEXT)) return(1);
-#endif
-#endif /* AFS_MACH_ENV */
+ if (avc->opens > 0 || (AFSTOV(avc)->v_flag & VTEXT))
+ return (1);
#endif
return 0;
}
avc->pvnLock is already held, avc->lock is guaranteed not to be held (by
us, of course).
*/
-void osi_FlushPages(avc, credp)
- register struct vcache *avc;
- struct AFS_UCRED *credp;
+void
+osi_FlushPages(register struct vcache *avc, struct AFS_UCRED *credp)
{
afs_hyper_t origDV;
ObtainReadLock(&avc->lock);
/* If we've already purged this version, or if we're the ones
- writing this version, don't flush it (could lose the
- data we're writing). */
- if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0) ||
- ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
+ * writing this version, don't flush it (could lose the
+ * data we're writing). */
+ if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0)
+ || ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
ReleaseReadLock(&avc->lock);
return;
}
ReleaseReadLock(&avc->lock);
- ObtainWriteLock(&avc->lock,10);
+ ObtainWriteLock(&avc->lock, 10);
/* Check again */
- if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0) ||
- ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
+ if ((hcmp((avc->m.DataVersion), (avc->mapDV)) <= 0)
+ || ((avc->execsOrWriters > 0) && afs_DirtyPages(avc))) {
ReleaseWriteLock(&avc->lock);
return;
}
AFS_STATCNT(osi_FlushPages);
hset(origDV, avc->m.DataVersion);
afs_Trace3(afs_iclSetp, CM_TRACE_FLUSHPAGES, ICL_TYPE_POINTER, avc,
- ICL_TYPE_INT32, origDV.low, ICL_TYPE_INT32, avc->m.Length);
+ ICL_TYPE_INT32, origDV.low, ICL_TYPE_INT32, avc->m.Length);
ReleaseWriteLock(&avc->lock);
AFS_GUNLOCK();
osi_VM_FlushPages(avc, credp);
AFS_GLOCK();
- ObtainWriteLock(&avc->lock,88);
+ ObtainWriteLock(&avc->lock, 88);
/* do this last, and to original version, since stores may occur
- while executing above PUTPAGE call */
+ * while executing above PUTPAGE call */
hset(avc->mapDV, origDV);
ReleaseWriteLock(&avc->lock);
}
* shouldn't do anything that would discard newly written data before
* it is written to the file system. */
-void osi_FlushText_really(vp)
- register struct vcache *vp; {
- afs_hyper_t fdv; /* version before which we'll flush */
+void
+osi_FlushText_really(register struct vcache *vp)
+{
+ afs_hyper_t fdv; /* version before which we'll flush */
AFS_STATCNT(osi_FlushText);
/* see if we've already flushed this data version */
- if (hcmp(vp->m.DataVersion, vp->flushDV) <= 0) return;
+ if (hcmp(vp->m.DataVersion, vp->flushDV) <= 0)
+ return;
-#ifdef AFS_DEC_ENV
+#ifdef AFS_DEC_ENV
{
- void afs_gfs_FlushText();
- afs_gfs_FlushText(vp);
- return;
+ void afs_gfs_FlushText();
+ afs_gfs_FlushText(vp);
+ return;
}
#else
- MObtainWriteLock(&afs_ftf,317);
+ MObtainWriteLock(&afs_ftf, 317);
hset(fdv, vp->m.DataVersion);
- /* why this disgusting code below?
- * xuntext, called by xrele, doesn't notice when it is called
+ /* why this disgusting code below?
+ * xuntext, called by xrele, doesn't notice when it is called
* with a freed text object. Sun continually calls xrele or xuntext
* without any locking, as long as VTEXT is set on the
- * corresponding vnode.
+ * corresponding vnode.
* But, if the text object is locked when you check the VTEXT
* flag, several processes can wait in xuntext, waiting for the
* text lock; when the second one finally enters xuntext's
#if defined (AFS_HPUX_ENV)
if (vp->v.v_flag & VTEXT) {
- xrele(vp);
+ xrele(vp);
if (vp->v.v_flag & VTEXT) { /* still has a text object? */
MReleaseWriteLock(&afs_ftf);
* into some middle ground...
*/
static void
-afs_gfs_FlushText(vp)
- register struct vcache *vp; {
- afs_hyper_t fdv; /* version before which we'll flush */
+afs_gfs_FlushText(register struct vcache *vp)
+{
+ afs_hyper_t fdv; /* version before which we'll flush */
register struct text *xp;
- struct gnode * gp;
+ struct gnode *gp;
- MObtainWriteLock(&afs_ftf,318);
+ MObtainWriteLock(&afs_ftf, 318);
hset(fdv, vp->m.DataVersion);
gp = afs_vntogn(vp);
if (!gp) {
- /* this happens frequently after cores are created. */
- MReleaseWriteLock(&afs_ftf);
- return;
+ /* this happens frequently after cores are created. */
+ MReleaseWriteLock(&afs_ftf);
+ return;
}
if (gp->g_flag & GTEXT) {
if (gp->g_textp) {
- xp = (struct text *) gp->g_textp ;
- /* if text object is locked, give up */
- if (xp && (xp->x_flag & XLOCK)) {
- MReleaseWriteLock(&afs_ftf);
- return;
- }
- }
- else xp = (struct text *) 0;
+ xp = (struct text *)gp->g_textp;
+ /* if text object is locked, give up */
+ if (xp && (xp->x_flag & XLOCK)) {
+ MReleaseWriteLock(&afs_ftf);
+ return;
+ }
+ } else
+ xp = NULL;
- if (gp->g_flag & GTEXT) {/* still has a text object? */
- xinval(gp);
- }
+ if (gp->g_flag & GTEXT) { /* still has a text object? */
+ xinval(gp);
+ }
}
/* next do the stuff that need not check for deadlock problems */
#endif /* AFS_TEXT_ENV */
+/* mask signals in afsds */
+void
+afs_osi_MaskSignals(void)
+{
+#ifdef AFS_LINUX22_ENV
+ osi_linux_mask();
+#endif
+}
+
+/* unmask signals in rxk listener */
+void
+afs_osi_UnmaskRxkSignals(void)
+{
+}
+
+/* register rxk listener proc info */
+void
+afs_osi_RxkRegister(void)
+{
+#ifdef AFS_LINUX22_ENV
+ osi_linux_rxkreg();
+#endif
+}
+
/* procedure for making our processes as invisible as we can */
-void afs_osi_Invisible() {
-#ifndef AFS_AIX32_ENV
- /* called once per "kernel" lwp to make it invisible */
-#ifdef AFS_DEC_ENV
+void
+afs_osi_Invisible(void)
+{
+#ifdef AFS_LINUX22_ENV
+ afs_osi_MaskSignals();
+#elif defined(AFS_DEC_ENV)
u.u_procp->p_type |= SSYS;
-#else
-#if defined(AFS_SUN5_ENV)
+#elif defined(AFS_SUN5_ENV)
curproc->p_flag |= SSYS;
-#else
-#if defined(AFS_SGI_ENV)
- vrelvm();
-#endif
-#ifdef AFS_SUN_ENV
- relvm(u.u_procp); /* release all the resources */
-#endif
-#if defined(AFS_HPUX101_ENV)
+#elif defined(AFS_HPUX101_ENV) && !defined(AFS_HPUX1123_ENV)
set_system_proc(u.u_procp);
-#else
-#if !defined(AFS_SGI64_ENV) && !defined(AFS_LINUX20_ENV)
- u.u_procp->p_flag |= SSYS;
-#endif /* AFS_SGI64_ENV */
-#endif
-#endif
-#endif
+#elif defined(AFS_DARWIN_ENV)
+ /* maybe call init_process instead? */
+ current_proc()->p_flag |= P_SYSTEM;
+#elif defined(AFS_XBSD_ENV)
+ curproc->p_flag |= P_SYSTEM;
+#elif defined(AFS_SGI_ENV)
+ vrelvm();
#endif
+
AFS_STATCNT(osi_Invisible);
}
-#ifndef AFS_LINUX20_ENV /* Linux version in osi_misc.c */
+#if !defined(AFS_LINUX20_ENV) && !defined(AFS_FBSD_ENV)
/* set the real time */
-afs_osi_SetTime(atv)
- register osi_timeval_t *atv; {
-
-#ifdef AFS_AIX32_ENV
+void
+afs_osi_SetTime(osi_timeval_t * atv)
+{
+#if defined(AFS_AIX32_ENV)
struct timestruc_t t;
- t.tv_sec = atv->tv_sec;
+ t.tv_sec = atv->tv_sec;
t.tv_nsec = atv->tv_usec * 1000;
ksettimer(&t); /* Was -> settimer(TIMEOFDAY, &t); */
-#else
-#ifdef AFS_SUN55_ENV
+#elif defined(AFS_SUN55_ENV)
stime(atv->tv_sec);
-#else
-#ifdef AFS_SUN5_ENV
+#elif defined(AFS_SUN5_ENV)
/*
* To get more than second resolution we can use adjtime. The problem
* is that the usecs from the server are wrong (by now) so it isn't
struct stimea {
time_t time;
} sta;
- extern int stime(struct stimea *time, rval_t *rvp);
sta.time = atv->tv_sec;
stime(&sta, NULL);
-#else
-#if defined(AFS_SGI_ENV)
+#elif defined(AFS_SGI_ENV)
struct stimea {
sysarg_t time;
} sta;
- extern int stime(struct stimea *time);
AFS_GUNLOCK();
sta.time = atv->tv_sec;
stime(&sta);
AFS_GLOCK();
+#elif defined(AFS_DARWIN_ENV)
+ AFS_GUNLOCK();
+ setthetime(atv);
+ AFS_GLOCK();
#else
/* stolen from kern_time.c */
#ifndef AFS_AUX_ENV
#endif
#ifdef AFS_HPUX_ENV
{
- register ulong_t s;
- struct timeval t;
- t.tv_sec = atv->tv_sec;
- t.tv_usec = atv->tv_usec;
- s = spl7(); time = t; (void) splx(s);
- resettodr(atv);
+#if !defined(AFS_HPUX1122_ENV)
+ /* drop the setting of the clock for now. spl7 is not
+ * known on hpux11.22
+ */
+ register ulong_t s;
+ struct timeval t;
+ t.tv_sec = atv->tv_sec;
+ t.tv_usec = atv->tv_usec;
+ s = spl7();
+ time = t;
+ (void)splx(s);
+ resettodr(atv);
+#endif
}
#else
{
- register int s;
- s = splclock(); time = *atv; (void) splx(s);
+ register int s;
+ s = splclock();
+ time = *atv;
+ (void)splx(s);
}
resettodr();
#endif
#ifdef AFS_AUX_ENV
logtchg(atv->tv_sec);
#endif
-#endif /* AFS_SGI_ENV */
-#endif /* AFS_SUN55_ENV */
-#endif /* AFS_SUN5_ENV */
-#endif /* AFS_AIX32_ENV */
+#endif /* AFS_DARWIN_ENV */
AFS_STATCNT(osi_SetTime);
- return 0;
}
#endif /* AFS_LINUX20_ENV */
-void *afs_osi_Alloc(size_t x)
+void *
+afs_osi_Alloc(size_t x)
{
register struct osimem *tm = NULL;
register int size;
AFS_STATCNT(osi_Alloc);
/* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
- things so that NULL returned iff an error occurred */
- if (x == 0) return &memZero;
+ * things so that NULL returned iff an error occurred */
+ if (x == 0)
+ return &memZero;
AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
#ifdef AFS_LINUX20_ENV
- return osi_linux_alloc(x);
+ return osi_linux_alloc(x, 1);
+#elif defined(AFS_FBSD_ENV)
+ return osi_fbsd_alloc(x, 1);
#else
size = x;
- tm = (struct osimem *) AFS_KALLOC(size);
+ tm = (struct osimem *)AFS_KALLOC(size);
#ifdef AFS_SUN_ENV
if (!tm)
osi_Panic("osi_Alloc: Couldn't allocate %d bytes; out of memory!\n",
size);
#endif
- return (char *) tm;
+ return (void *)tm;
#endif
}
#if defined(AFS_SUN_ENV) || defined(AFS_SGI_ENV)
-void *afs_osi_Alloc_NoSleep(size_t x)
+void *
+afs_osi_Alloc_NoSleep(size_t x)
{
register struct osimem *tm;
register int size;
AFS_STATCNT(osi_Alloc);
/* 0-length allocs may return NULL ptr from AFS_KALLOC, so we special-case
- things so that NULL returned iff an error occurred */
- if (x == 0) return &memZero;
+ * things so that NULL returned iff an error occurred */
+ if (x == 0)
+ return &memZero;
size = x;
AFS_STATS(afs_stats_cmperf.OutStandingAllocs++);
AFS_STATS(afs_stats_cmperf.OutStandingMemUsage += x);
- tm = (struct osimem *) AFS_KALLOC_NOSLEEP(size);
- return (char *) tm;
+ tm = (struct osimem *)AFS_KALLOC_NOSLEEP(size);
+ return (void *)tm;
}
-#endif /* SUN || SGI */
+#endif /* SUN || SGI */
-void afs_osi_Free(void *x, size_t asize)
+void
+afs_osi_Free(void *x, size_t asize)
{
- register struct osimem *tm, **lm, *um;
-
AFS_STATCNT(osi_Free);
- if (x == &memZero) return; /* check for putting memZero back */
+ if (x == &memZero)
+ return; /* check for putting memZero back */
AFS_STATS(afs_stats_cmperf.OutStandingAllocs--);
AFS_STATS(afs_stats_cmperf.OutStandingMemUsage -= asize);
-#ifdef AFS_LINUX20_ENV
+#if defined(AFS_LINUX20_ENV)
osi_linux_free(x);
+#elif defined(AFS_FBSD_ENV)
+ osi_fbsd_free(x);
#else
AFS_KFREE((struct osimem *)x, asize);
#endif
}
+void
+afs_osi_FreeStr(char *x)
+{
+ afs_osi_Free(x, strlen(x) + 1);
+}
-/* ? is it moderately likely that there are dirty VM pages associated with
+/* ? is it moderately likely that there are dirty VM pages associated with
* this vnode?
*
* Prereqs: avc must be write-locked
*
- * System Dependencies: - *must* support each type of system for which
- * memory mapped files are supported, even if all
+ * System Dependencies: - *must* support each type of system for which
+ * memory mapped files are supported, even if all
* it does is return TRUE;
*
* NB: this routine should err on the side of caution for ProcessFS to work
*/
#ifdef notdef
int
-osi_VMDirty_p(avc)
- struct vcache *avc;
+osi_VMDirty_p(struct vcache *avc)
{
int dirtyPages;
if (avc->execsOrWriters <= 0)
- return 0; /* can't be many dirty pages here, I guess */
-
-#if defined (AFS_AIX32_ENV)
+ return 0; /* can't be many dirty pages here, I guess */
+
+#if defined (AFS_AIX32_ENV)
#ifdef notdef
/* because of the level of hardware involvment with VM and all the
* warnings about "This routine must be called at VMM interrupt
* level", I thought it would be safest to disable interrupts while
* looking at the software page fault table. */
- /* convert vm handle into index into array: I think that stoinio is
+ /* convert vm handle into index into array: I think that stoinio is
* always zero... Look into this XXX */
#define VMHASH(handle) ( \
( ((handle) & ~vmker.stoinio) \
^ ((((handle) & ~vmker.stoinio) & vmker.stoimask) << vmker.stoihash) \
- ) & 0x000fffff)
+ ) & 0x000fffff)
- if (avc->vmh) {
+ if (avc->segid) {
unsigned int pagef, pri, index, next;
- extern struct vmkerdata vmker;
- index = VMHASH(avc->vmh);
- if (scb_valid(index)) { /* could almost be an ASSERT */
+ index = VMHASH(avc->segid);
+ if (scb_valid(index)) { /* could almost be an ASSERT */
pri = disable_ints();
for (pagef = scb_sidlist(index); pagef >= 0; pagef = next) {
next = pft_sidfwd(pagef);
- if (pft_modbit(pagef)) { /* has page frame been modified? */
+ if (pft_modbit(pagef)) { /* has page frame been modified? */
enable_ints(pri);
return 1;
}
#if defined (AFS_SUN_ENV)
if (avc->states & CMAPPED) {
- struct page * pg;
- for (pg = avc->v.v_s.v_Pages ; pg ; pg = pg->p_vpnext) {
+ struct page *pg;
+ for (pg = avc->v.v_s.v_Pages; pg; pg = pg->p_vpnext) {
if (pg->p_mod) {
return 1;
}
}
}
#endif
-return 0;
+ return 0;
}
#endif /* notdef */
* Locking: the vcache entry lock is held. It is dropped and re-obtained.
*/
void
-osi_ReleaseVM(avc, acred)
- struct vcache *avc;
- struct AFS_UCRED *acred;
+osi_ReleaseVM(struct vcache *avc, struct AFS_UCRED *acred)
{
#ifdef AFS_SUN5_ENV
AFS_GUNLOCK();
}
-void shutdown_osi()
+void
+shutdown_osi(void)
{
- extern int afs_cold_shutdown;
-
AFS_STATCNT(shutdown_osi);
if (afs_cold_shutdown) {
- LOCK_INIT(&afs_ftf, "afs_ftf");
- }
+ LOCK_INIT(&afs_ftf, "afs_ftf");
+ }
}
-afs_osi_suser(credp)
- void * credp;
+#ifndef AFS_OBSD_ENV
+int
+afs_osi_suser(void *credp)
{
-#ifdef AFS_SUN5_ENV
- return afs_suser(credp);
+#if defined(AFS_SUN5_ENV)
+ return afs_suser(credp);
#else
- return afs_suser();
+ return afs_suser();
#endif
}
+#endif
#if AFS_GCPAGS
*/
#if defined(AFS_SUN5_ENV)
-void afs_osi_TraverseProcTable()
+void
+afs_osi_TraverseProcTable(void)
{
struct proc *prp;
for (prp = practive; prp != NULL; prp = prp->p_next) {
* changes. To be safe, we use both.
*/
-void afs_osi_TraverseProcTable()
+void
+afs_osi_TraverseProcTable(void)
{
register proc_t *p;
int endchain = 0;
* consistent view of the current set of creds.
*/
- for(p = proc; endchain == 0; p = &proc[p->p_fandx]) {
+ for (p = proc; endchain == 0; p = &proc[p->p_fandx]) {
if (p->p_fandx == 0) {
endchain = 1;
}
if (system_proc(p))
continue;
- mp_mtproc_lock(p);
+ mp_mtproc_lock(p);
afs_GCPAGs_perproc_func(p);
- mp_mtproc_unlock(p);
+ mp_mtproc_unlock(p);
}
pcred_unlock();
#ifdef AFS_SGI65_ENV
/* TODO: Fix this later. */
-static int SGI_ProcScanFunc(void *p, void *arg, int mode)
+static int
+SGI_ProcScanFunc(void *p, void *arg, int mode)
{
return 0;
}
-#else /* AFS_SGI65_ENV */
-static int SGI_ProcScanFunc(proc_t *p, void *arg, int mode)
+#else /* AFS_SGI65_ENV */
+static int
+SGI_ProcScanFunc(proc_t * p, void *arg, int mode)
{
- afs_int32 (*perproc_func)(struct proc *) = arg;
- int code=0;
+ afs_int32(*perproc_func) (struct proc *) = arg;
+ int code = 0;
/* we pass in the function pointer for arg,
- * mode ==0 for startup call, ==1 for each valid proc,
+ * mode ==0 for startup call, ==1 for each valid proc,
* and ==2 for terminate call.
*/
- if(mode == 1) {
+ if (mode == 1) {
code = perproc_func(p);
}
return code;
}
-#endif /* AFS_SGI65_ENV */
+#endif /* AFS_SGI65_ENV */
-void afs_osi_TraverseProcTable()
+void
+afs_osi_TraverseProcTable(void)
{
procscan(SGI_ProcScanFunc, afs_GCPAGs_perproc_func);
}
-#endif /* AFS_SGI_ENV */
+#endif /* AFS_SGI_ENV */
#if defined(AFS_AIX_ENV)
-void afs_osi_TraverseProcTable()
+#ifdef AFS_AIX51_ENV
+#define max_proc v.ve_proc
+#endif
+void
+afs_osi_TraverseProcTable(void)
{
struct proc *p;
int i;
if (!afs_gcpags_procsize)
return;
+#ifndef AFS_AIX51_ENV
simple_lock(&proc_tbl_lock);
- for (p = (struct proc *)v.vb_proc, i = 0;
- p < max_proc;
+#endif
+ for (p = (struct proc *)v.vb_proc, i = 0; p < max_proc;
p = (struct proc *)((char *)p + afs_gcpags_procsize), i++) {
+#ifdef AFS_AIX51_ENV
+ if (p->p_pvprocp->pv_stat == SNONE)
+ continue;
+ if (p->p_pvprocp->pv_stat == SIDL)
+ continue;
+ if (p->p_pvprocp->pv_stat == SEXIT)
+ continue;
+#else
if (p->p_stat == SNONE)
continue;
if (p->p_stat == SIDL)
continue;
if (p->p_stat == SEXIT)
continue;
+#endif
/* sanity check */
afs_GCPAGs_perproc_func(p);
}
+#ifndef AFS_AIX51_ENV
simple_unlock(&proc_tbl_lock);
+#endif
}
#endif
#if defined(AFS_OSF_ENV)
-void afs_osi_TraverseProcTable()
+void
+afs_osi_TraverseProcTable(void)
{
struct pid_entry *pe;
+#ifdef AFS_DUX50_ENV
+#define pidNPID (pidtab + npid)
+#define PID_LOCK()
+#define PID_UNLOCK()
+#endif
PID_LOCK();
for (pe = pidtab; pe < pidNPID; ++pe) {
- if (pe->pe_proc != PROC_NULL)
- afs_GCPAGs_perproc_func(pe->pe_proc);
+ if (pe->pe_proc != PROC_NULL)
+ afs_GCPAGs_perproc_func(pe->pe_proc);
}
PID_UNLOCK();
}
#endif
+#if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
+void
+afs_osi_TraverseProcTable(void)
+{
+ struct proc *p;
+ LIST_FOREACH(p, &allproc, p_list) {
+ if (p->p_stat == SIDL)
+ continue;
+ if (p->p_stat == SZOMB)
+ continue;
+ if (p->p_flag & P_SYSTEM)
+ continue;
+ afs_GCPAGs_perproc_func(p);
+ }
+}
+#endif
+
+#if defined(AFS_LINUX22_ENV)
+void
+afs_osi_TraverseProcTable()
+{
+ struct task_struct *p;
+
+#ifdef EXPORTED_TASKLIST_LOCK
+ read_lock(&tasklist_lock);
+#endif
+#ifdef DEFINED_FOR_EACH_PROCESS
+ for_each_process(p) if (p->pid) {
+ if (p->state & TASK_ZOMBIE)
+ continue;
+ afs_GCPAGs_perproc_func(p);
+ }
+#else
+ for_each_task(p) if (p->pid) {
+ if (p->state & TASK_ZOMBIE)
+ continue;
+ afs_GCPAGs_perproc_func(p);
+ }
+#endif
+#ifdef EXPORTED_TASKLIST_LOCK
+ read_unlock(&tasklist_lock);
+#endif
+}
+#endif
+
/* return a pointer (sometimes a static copy ) to the cred for a
* given AFS_PROC.
* subsequent calls may overwrite the previously returned value.
*/
#if defined(AFS_SGI65_ENV)
-const struct AFS_UCRED *afs_osi_proc2cred(AFS_PROC *pr)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * p)
{
return NULL;
}
#elif defined(AFS_HPUX_ENV)
-const struct AFS_UCRED *afs_osi_proc2cred(proc_t *p)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * p)
{
if (!p)
return;
/* GLOBAL DECLARATIONS */
-extern int xmattach(); /* fills out cross memory descriptor */
-extern int xmdetach(); /* decrements reference count to segment */
-
/*
* LOCKS: the caller must do
* simple_lock(&proc_tbl_lock);
* around calls to this function.
*/
-const struct AFS_UCRED *afs_osi_proc2cred(AFS_PROC *pproc)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * pproc)
{
struct AFS_UCRED *pcred = 0;
int xm; /* xmem result */
if (!pproc) {
- return pcred;
+ return pcred;
}
/*
xmem_userp = NULL;
xm = XMEM_FAIL;
/* simple_lock(&proc_tbl_lock); */
+#ifdef __64BIT__
+ if (pproc->p_adspace != vm_handle(NULLSEGID, (int32long64_t) 0)) {
+#else
if (pproc->p_adspace != NULLSEGVAL) {
+#endif
+#ifdef AFS_AIX51_ENV
+ simple_lock(&pproc->p_pvprocp->pv_lock);
+#else
simple_lock(&pproc->p_lock);
+#endif
if (pproc->p_threadcount &&
+#ifdef AFS_AIX51_ENV
+ pproc->p_pvprocp->pv_threadlist) {
+#else
pproc->p_threadlist) {
+#endif
/*
* arbitrarily pick the first thread in pproc
*/
struct thread *pproc_thread =
+#ifdef AFS_AIX51_ENV
+ pproc->p_pvprocp->pv_threadlist;
+#else
pproc->p_threadlist;
+#endif
/*
* location of 'struct user' in pproc's
* address space
*/
- struct user *pproc_userp =
- pproc_thread->t_userp;
+ struct user *pproc_userp = pproc_thread->t_userp;
/*
* create a pointer valid in my own address space
*/
- xmem_userp =
- (struct user *)vm_att(pproc->p_adspace,
- pproc_userp);
+ xmem_userp = (struct user *)vm_att(pproc->p_adspace, pproc_userp);
dp.aspace_id = XMEM_INVAL;
- xm = xmattach(xmem_userp,
- sizeof(*xmem_userp),
- &dp, SYS_ADSPACE);
+ xm = xmattach(xmem_userp, sizeof(*xmem_userp), &dp, SYS_ADSPACE);
}
+#ifdef AFS_AIX51_ENV
+ simple_unlock(&pproc->p_pvprocp->pv_lock);
+#else
simple_unlock(&pproc->p_lock);
+#endif
}
/* simple_unlock(&proc_tbl_lock); */
if (xm == XMEM_SUCC) {
- static struct AFS_UCRED cred;
+ static struct AFS_UCRED cred;
/*
* What locking should we use to protect access to the user
}
#elif defined(AFS_OSF_ENV)
-const struct AFS_UCRED *afs_osi_proc2cred(AFS_PROC *pr)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * pr)
+{
+ struct AFS_UCRED *rv = NULL;
+
+ if (pr == NULL) {
+ return NULL;
+ }
+
+ if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
+ || (pr->p_stat == SSTOP))
+ rv = pr->p_rcred;
+
+ return rv;
+}
+#elif defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * pr)
+{
+ struct AFS_UCRED *rv = NULL;
+ static struct AFS_UCRED cr;
+
+ if (pr == NULL) {
+ return NULL;
+ }
+
+ if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
+ || (pr->p_stat == SSTOP)) {
+ pcred_readlock(pr);
+ cr.cr_ref = 1;
+ cr.cr_uid = pr->p_cred->pc_ucred->cr_uid;
+ cr.cr_ngroups = pr->p_cred->pc_ucred->cr_ngroups;
+ memcpy(cr.cr_groups, pr->p_cred->pc_ucred->cr_groups,
+ NGROUPS * sizeof(gid_t));
+ pcred_unlock(pr);
+ rv = &cr;
+ }
+
+ return rv;
+}
+#elif defined(AFS_LINUX22_ENV)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * pr)
{
- struct AFS_UCRED *rv=NULL;
+ struct AFS_UCRED *rv = NULL;
+ static struct AFS_UCRED cr;
- if(pr == NULL) {
- return NULL;
+ if (pr == NULL) {
+ return NULL;
}
- if((pr->p_stat == SSLEEP) ||
- (pr->p_stat == SRUN) ||
- (pr->p_stat == SSTOP))
- rv = pr->p_rcred;
+ if ((pr->state == TASK_RUNNING) || (pr->state == TASK_INTERRUPTIBLE)
+ || (pr->state == TASK_UNINTERRUPTIBLE)
+ || (pr->state == TASK_STOPPED)) {
+ cr.cr_ref = 1;
+ cr.cr_uid = pr->uid;
+ cr.cr_ngroups = pr->ngroups;
+ memcpy(cr.cr_groups, pr->groups, NGROUPS * sizeof(gid_t));
+ rv = &cr;
+ }
return rv;
}
#else
-const struct AFS_UCRED *afs_osi_proc2cred(AFS_PROC *pr)
+const struct AFS_UCRED *
+afs_osi_proc2cred(AFS_PROC * pr)
{
- struct AFS_UCRED *rv=NULL;
+ struct AFS_UCRED *rv = NULL;
- if(pr == NULL) {
- return NULL;
+ if (pr == NULL) {
+ return NULL;
}
- rv = pr->p_cred;
+ rv = pr->p_cred;
return rv;
}
#endif
-#endif /* AFS_GCPAGS */
+#endif /* AFS_GCPAGS */