/* static */ SysStatus
FRPANonPageableRamOnly::Create(ObjectHandle &oh, ProcessID processID,
ObjectHandle file,
uval len,
uval fileToken,
char *name, uval namelen,
KernelPagingTransportRef ref)
{
// This is the same thing as FRPA::_Create
SysStatus rc;
FRPANonPageableRamOnlyRef frref;
ProcessRef pref;
FRPANonPageableRamOnly *fr;
// get process ref for calling file system
rc = DREFGOBJ(TheProcessSetRef)->getRefFromPID(processID,
(BaseProcessRef&)pref);
tassert(_SUCCESS(rc), err_printf("calling process can't go away??\n"));
fr = new FRPANonPageableRamOnly;
tassert( (fr!=NULL), err_printf("alloc should never fail\n"));
rc = fr->init(file, len, fileToken, name, namelen, ref);
tassert( _SUCCESS(rc), err_printf("woops\n"));
frref = (FRPANonPageableRamOnlyRef)CObjRootSingleRep::Create(fr);
// call giveAccessInternal here to provide fileSystemAccess to
// the file systems OH
// note that we set the client data to 1 to mark this as the fr
// oh so we know if the fs goes away
rc = DREF(frref)->giveAccessInternal(
oh, processID,
MetaFR::fileSystemAccess|MetaObj::controlAccess|MetaObj::attach,
MetaObj::none, 0, 1);
if (_FAILURE(rc)) return rc;
return 0;
}
/// checks a string wether it detects some errors, result = true means the string should be parsed correctly
void checkParser (const char * code, bool result = true) {
printf ("Testing %s expected: %d\n", code, result);
sf::json::Object parser (code);
if (parser.error() == result){
if (parser.error()){
printf ("Could not parse %s error = %s (this error was expected!)\n", code, parser.errorMessage().c_str());
}
else{
tassert (false, "Parser returned no error while it should have");
}
}
}
SysStatus
MPMsgMgr::MsgAsync::send(DispatcherID dspid)
{
MsgHeader *const hdr = GetHeader(this);
SysStatus rc;
MPMsgMgr *targetMgr;
rc = DREF(hdr->manager->getRegistry())->lookupMgr(dspid, targetMgr);
tassert(_SUCCESS(rc), err_printf("MPMsgAsync: lookupMgr failed.\n"));
targetMgr->addPendingSend(hdr);
return 0;
}
/* virtual */ SysStatus
PacketRing::unbindFilter()
{
refCount--; // FIXME: Atomic dec??
tassert(refCount >= 0, err_printf("PacketRing::unbindFilter - cnt=%ld\n",
refCount));
if (beingDestroyed && refCount == 0) {
destroy();
}
return 0;
}
static void testInsertAndRemove(MprTestGroup *gp)
{
MprList *lp;
int index;
lp = mprCreateList(0, 0);
tassert(lp != 0);
/*
Do one insert and remove
*/
index = mprAddItem(lp, (void*) 1);
tassert(index >= 0);
tassert(mprGetListLength(lp) == 1);
mprRemoveItem(lp, (void*) 1);
tassert(mprGetListLength(lp) == 0);
/*
Test remove will compact
*/
mprAddItem(lp, (void*) 1);
mprAddItem(lp, (void*) 2);
mprAddItem(lp, (void*) 3);
mprRemoveItem(lp, (void*) 2);
tassert(mprGetListLength(lp) == 2);
mprRemoveItem(lp, (void*) 3);
tassert(mprGetListLength(lp) == 1);
}
/* static */ SysStatus
RegionReplicated::_CreateFixedLenExtDyn(uval& regionVaddr, uval regionSize,
uval alignmentreq, ObjectHandle frOH,
uval fileOffset, uval accessreq,
XHandle target, ObjectHandle tsOH,
RegionType::Type regionType,
__CALLER_PID callerPID)
{
RegionRef ref;
ProcessRef pref=0;
SysStatus rc;
FCMRef fcmRef;
TypeID type;
ObjRef objRef;
FRRef frRef;
rc = RegionDefault::PrefFromTarget(target, callerPID, pref);
_IF_FAILURE_RET(rc);
rc = XHandleTrans::XHToInternal(frOH.xhandle(), callerPID,
MetaObj::attach, objRef, type);
tassertWrn(_SUCCESS(rc), "RegionReplicated failed XHToInternal\n");
_IF_FAILURE_RET(rc);
// verify that type is of FRComp - we'd really like just FR
// FIXMEXX talk to Orran, the brilliant, charming, ..
if (!MetaFR::isBaseOf(type)) {
tassertWrn(0, "object handle <%lx,%lx> not of correct type\n",
frOH.commID(), frOH.xhandle());
return _SERROR(1542, 0, EINVAL);
}
//FIXME check xobj to make sure it matches our processID
frRef = (FRRef)objRef;
rc = RegionReplicated::CreateFixedLen(
ref, pref, regionVaddr,
regionSize, alignmentreq, frRef, fileOffset,
(AccessMode::mode)accessreq);
// FIXME: Kludge for enabling dyn-switch
#if 0
CObjRoot *partitionedFCMRoot = 0;
rc = FCMPartitionedTrivial::Create(partitionedFCMRoot, fcmRef, regionSize,
/* number of cache lines per rep */ 256,
/* associativity of each line */ 4);
tassert(_SUCCESS(rc), err_printf("Replicated Trivial fcm create\n"));
PMRef pmRef;
rc = DREF(pref)->getPM(pmRef);
tassert(_SUCCESS(rc), ;);
static void testMakeDir(MprTestGroup *gp)
{
TestPath *ts;
int rc;
ts = (TestPath*) gp->data;
mprGlobalLock(gp);
rc = mprMakeDir(ts->dir1, DIRMODE, -1, -1, 1);
tassert(rc == 0);
tassert(access(ts->dir1, X_OK) == 0);
rmdir(ts->dir1);
tassert(access(ts->dir1, X_OK) < 0);
rmdir(ts->dir2);
rmdir(ts->dir1);
/*
Dir should not exist before test
*/
tassert(access(ts->dir1, X_OK) < 0);
/*
Make directory path
*/
rc = mprMakeDir(ts->dir2, DIRMODE, -1, -1, 1);
tassert(rc == 0);
tassert(access(ts->dir2, X_OK) == 0);
rc = mprDeletePath(ts->dir2);
tassert(rc == 0);
rc = mprDeletePath(ts->dir1);
tassert(rc == 0);
tassert(access(ts->dir1, X_OK) < 0);
tassert(access(ts->dir2, X_OK) < 0);
mprGlobalUnlock(gp);
}
/* virtual */ SysStatus
FRPA::_explicitFsync()
{
FCMRef fcmRefTmp;
fcmRefTmp = fcmRef; // careful because locks not held
if (fcmRefTmp) {
return DREF(fcmRefTmp)->fsync(1 /*force*/);
} else {
// FIXME dilma: is is possible that fcmRef is 0 here?
tassert(0, err_printf("investigate if we should invoke getFCM\n"));
return 0;
}
}
void
MPMsgMgrException::ClassInit(DispatcherID dspid, MemoryMgrPrimitive *pa)
{
static MPMsgMgrRegistryRef theRegistryRef = NULL;
MPMsgMgrException *mgr;
mgr = new(pa) MPMsgMgrException;
tassert(mgr != NULL, err_printf("failed to create MPMsgMgrException.\n"));
mgr->init(dspid, pa, theRegistryRef);
exceptionLocal.setExceptionMsgMgr(mgr);
mgr->addToRegistry(dspid);
}
/* static */ SysStatus
PacketFilterRoot::Create(PacketFilterRootRef &pfrRef)
{
PacketFilterRoot *pfr = new PacketFilterRoot;
SysStatus rc;
rc = pfr->init();
tassert(_SUCCESS(rc), err_printf("PacketFilterRoot::Create failed\n"));
pfrRef = (PacketFilterRootRef)CObjRootSingleRep::Create(pfr);
return 0;
}
void disable_gptimers(uint16_t mask)
{
int i;
uint16_t m = mask;
tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
group_regs[i]->disable = m & 0xFF;
m >>= 8;
}
for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
if (mask & (1 << i))
group_regs[BFIN_TIMER_OCTET(i)]->status |= trun_mask[i];
SSYNC();
}
/* virtual */ SysStatusUval
FCMPrimitive<PL,ALLOC>::getPage(uval fileOffset, void *&dataPtr,
PageFaultNotification */*fn*/)
{
SysStatus rc;
uval paddr;
this->lock.acquire();
PageDesc *pg = this->findPage(fileOffset);
if (!pg) {
// allocate a new page
uval virtAddr;
this->lock.release();
rc = DREF(this->pmRef)->allocPages(this->getRef(), virtAddr,
this->pageSize, this->pageable);
tassert(_SUCCESS(rc), err_printf("woops\n"));
this->lock.acquire();
if ((pg = this->findPage(fileOffset)) != 0) {
// added in our absence
DREF(this->pmRef)->deallocPages(this->getRef(), virtAddr,
this->pageSize);
paddr = pg->paddr;
TraceOSMemFCMPrimFoundPage(fileOffset, paddr);
} else {
paddr = PageAllocatorKernPinned::virtToReal(virtAddr);
TraceOSMemFCMPrimGetPage(fileOffset, paddr);
pg = this->addPage(fileOffset, paddr, this->pageSize);
}
} else {
paddr = pg->paddr;
TraceOSMemFCMPrimFoundPage(fileOffset, paddr);
}
tassert(1, err_printf(" should use offset %ld\n", fileOffset));
dataPtr = (void *)PageAllocatorKernPinned::realToVirt(pg->paddr);
return 0;
}
/* private */ void
PacketRing::reclaimSpaceRX()
{
PacketRingHdr *recvHdr;
uval length;
cprintf("PacketRing::reclaimSpace - (freeSpace=%ld, pckt count=%ld)\n",
freeSpaceRX, packetCountRX);
recvHdr = (PacketRingHdr *)(pageArray[beginIdxRX] + beginOffsetRX);
while((!RingHdrValid((uval)recvHdr)) && packetCountRX > 0) {
length = (sizeof(PacketRingHdr) + recvHdr->prepad + recvHdr->length +
recvHdr->postpad);
beginOffsetRX += length;
if (beginOffsetRX >= PAGE_SIZE) {
beginOffsetRX = beginOffsetRX % PAGE_SIZE;
beginIdxRX = (beginIdxRX + 1) % pageArrayNumRX;
}
packetCountRX--;
freeSpaceRX += length;
tassert(beginOffsetRX < PAGE_SIZE,
err_printf("beginOffsetRX out of bounds\n"));
tassert(beginIdxRX >= 0 &&
beginIdxRX < pageArrayNumRX,
err_printf("beginIdxRX out of bounds\n"));
recvHdr = (PacketRingHdr *)(pageArray[beginIdxRX] + beginOffsetRX);
}
cprintf("PacketRing::reclaimSpace - End (freeSpace=%ld)\n", freeSpaceRX);
return;
}
static void testLotsOfInserts(MprTestGroup *gp)
{
MprList *lp;
int i;
lp = mprCreateList(LIST_MAX_ITEMS, 0);
tassert(lp != 0);
/*
Do lots insertions
*/
for (i = 0; i < LIST_MAX_ITEMS; i++) {
mprAddItem(lp, (void*) (long) i);
tassert(mprGetListLength(lp) == (i + 1));
}
/*
Now remove
*/
for (i = LIST_MAX_ITEMS - 1; i >= 0; i--) {
mprRemoveItem(lp, (void*) (long) i);
tassert(mprGetListLength(lp) == i);
}
}
SysStatus
HATDefaultBase<ALLOC>::findSegmentGlobal(uval virtAddr, SegmentHATRef &result,
uval createIfNoSeg)
{
SysStatus rc = 0;
SegmentHATRef segmentHATRef;
VPSet *ppset;
AutoLock<LockType> al(&glock);
tassertMsg(virtAddr < KERNEL_REGIONS_END,
"%lx should be handled by the low level page fault code\n",
virtAddr);
segmentHATRef = segmentList.findSegment(virtAddr, ppset);
//err_printf("findSegmentGlobal %lx/%ld -> %p\n", virtAddr, createIfNoSeg,
// segmentHATRef);
if (!segmentHATRef) {
if (!createIfNoSeg) return HAT::NOSEG;
// round address down to segment boundary
uval segVirtAddr = virtAddr&(~(SEGMENT_SIZE-1));
// create private segment using protected function
// so kernel can do it differently - see HATKernel
rc = createSegmentHATPrivate(segmentHATRef);
tassert(!rc, err_printf("no memory for SegmentHAT\n"));
if (rc)
return rc;
rc = segmentList.addSegment(segVirtAddr,SEGMENT_SIZE,
segmentHATRef, ppset);
tassert(!rc, err_printf("no memory for SegmentList\n"));
if (rc)
return rc;
}
ppset->addVP(Scheduler::GetVP());
result = segmentHATRef;
return rc;
}
SysStatus
PacketRing::allocCtrl()
{
SysStatus rc;
rc = DREFGOBJK(ThePinnedPageAllocatorRef)->allocPages(ctrlPage, PAGE_SIZE);
tassert(_SUCCESS(rc), err_printf("allocPages failed - ctrl page\n"));
cprintf("Created page at: %#lx\n", ctrlPage);
// FIXME: need better handling of these errors
rc = DREF(fcmRef)->addReference();
tassert(_SUCCESS(rc), err_printf("addReference failed - ctrl page\n"));
rc = DREF(fcmRef)->establishPage(fcmOffset, ctrlPage, PAGE_SIZE);
tassert(_SUCCESS(rc), err_printf("establishPage failed - ctrl page\n"));
fcmOffset += PAGE_SIZE;
ctrlRegister = (volatile uval32 *)ctrlPage;
AtomicAnd32Synced(ctrlRegister, 0);
return 0;
}
/*static*/ SysStatus
MPMsgMgr::SendAsyncUval(MPMsgMgr *mgr, DispatcherID dspid,
SysStatusFunctionUval func, uval val)
{
SysStatus rc;
MsgAsyncUval *const msg = new(mgr) MsgAsyncUval;
tassert(msg != NULL, err_printf("message allocate failed.\n"));
msg->function = func;
msg->value = val;
rc = msg->send(dspid);
return rc;
}
SysStatus
ProgExec::parsePHdr(HDR *phdr, uval phdr_num, ProgExec::BinInfo *info)
{
/* we assume sections are all adjacent to each other */
/* we assume only one text and one data/bss section */
info->numSegs = 0;
uval i;
for (i=0; i<phdr_num; i++,phdr++) {
if (phdr->p_type==PT_LOAD) {
passertMsg(info->numSegs < BinInfo::MAXNUMSEG,
"too many segments\n");
tassert((phdr->p_memsz >= phdr->p_filesz),
err_printf("seomthing's wrong with data segment\n"));
info->seg[info->numSegs].offset = phdr->p_offset;
info->seg[info->numSegs].vaddr = phdr->p_vaddr;
info->seg[info->numSegs].filesz = phdr->p_filesz;
info->seg[info->numSegs].memsz = phdr->p_memsz;
info->seg[info->numSegs].flags = phdr->p_flags;
info->numSegs += 1;
} else if (phdr->p_type==PT_INTERP && info) {
info->interpOffset = phdr->p_offset;
}
}
/*
*FIXME Marc and Bryan 3/2/2004
* In fixing a bug, we started to fix the load logic.
* in theory, we should load multi segment modules in a systematic
* way, looping over the segments respecting flags etc. but the rest
* of the code is too painful to change today, so we revert to the
* TEXT, DATA assumptions of the rest of the code by requiring
* exactly 2 segments and calling one TEXT, one DATA.
* we do this by kludge - the TEXT is either the first r-x segment
* or the first segment period, the other is DATA
*/
passertMsg(info->numSegs == 2, "Only support 2 segment modules\n");
info->textSegIndex = 0;
for (i=0; i<info->numSegs; i++) {
if ((info->seg[i].flags & ((PF_R) | (PF_W) | (PF_X))) ==
((PF_R) | (PF_X))) {
info->textSegIndex = i;
break;
}
}
info->dataSegIndex = info->textSegIndex ^ 1; // couldn't resist
return 0;
}
void Channel::get_subchannel_names(KVS &kvs, int owner_id,
const std::string &prefix,
std::vector<std::string> &names,
unsigned int nlevels) {
std::string kvs_prefix = string_printf("%d", owner_id);
if (prefix != "") kvs_prefix += "." + prefix;
std::vector<std::string> keys;
kvs.get_subkeys(kvs_prefix, keys, nlevels, not_all_digits_filter);
for (unsigned i = 0; i < keys.size(); i++) {
if (filename_suffix(keys[i]) == "info") {
std::string name_with_uid = filename_sans_suffix(keys[i]);
tassert(strchr(name_with_uid.c_str(), '.'));
names.push_back(1+strchr(name_with_uid.c_str(), '.'));
}
}
}
SysStatus
HATDefaultBase<ALLOC>::getSegmentTable(VPNum vp, SegmentTable *&st)
{
if (!byVP[vp].segps) {
TraceOSMemAllocSegment(vp);
SysStatus rc = SegmentTable::Create(byVP[vp].segps);
if (!_SUCCESS(rc)) {
tassert(0, err_printf("no space for HAT segment table\n"));
return rc;
}
}
// record current pp on every call - may change on migration
byVP[vp].pp = Scheduler::GetVP();
st = byVP[vp].segps;
return 0;
}
// this end of socket
/*virtual*/ SysStatus
FileLinuxPacket::getsocketname(char* addr, uval &addrLen)
{
AutoLock<LockType> al(&objLock);
tassert(local, err_printf("local sockaddr is not available\n"));
if (addrLen < localLen) {
return _SERROR(2044, 0, EINVAL);
}
if (local) {
addrLen = localLen;
memcpy(addr, local, addrLen);
return 0;
}
return _SERROR(2045, 0, ENOTSOCK);
}
SysStatus
FileLinuxDevZero::Create(FileLinuxRef &newFile, ObjectHandle toh, uval oflags)
{
FileLinuxDevZero *newp;
// no initialization, this stinker is *simple*
newp = new FileLinuxDevZero;
tassert(newp != NULL, err_printf("new failed.\n"));
newp->init(toh);
newp->setFlags(oflags);
newFile = (FileLinuxRef)CObjRootSingleRep::Create(newp);
//FIXME - cleanup on failure paths?
return _SRETUVAL(0);
}
/*virtual*/ SysStatus
DispatcherMgr::enter(DispatcherID dspid, Dispatcher *dsp)
{
AutoLock<LockType> al(&lock); // locks now, unlocks on return
RDNum rd; VPNum vp;
SysTypes::UNPACK_DSPID(dspid, rd, vp);
tassert((rd < Scheduler::RDLimit) &&
(vp < Scheduler::VPLimit) &&
(dispatcher[rd][vp] == NULL),
err_printf("Bad or duplicate dspid.\n"));
dispatcher[rd][vp] = dsp;
((DispatcherDefault *) dsp)->published = published;
return 0;
}
/*static*/ SysStatus
ResMgrWrapper::CreateAndRegisterFirstDispatcher()
{
ObjectHandle oh;
SysStatus rc;
ResMgrWrapper *wrapper = new ResMgrWrapper;
tassert(wrapper != NULL, err_printf("failed to create res mgr wrapper\n"));
rc = StubResMgr::_CreateAndRegisterFirstDispatcher(oh);
passertMsg(_SUCCESS(rc), "failed to create resource manager wrapper.\n");
wrapper->stub.setOH(oh);
new CObjRootSingleRep(wrapper, (RepRef)GOBJ(TheResourceManagerRef));
//;;cprintf("successfully created res manager wrapper\n");
return 0;
}
static void testArgvRegressions(MprTestGroup *gp)
{
int argc;
cchar **argv;
// "\bin\sh" "-c" "c:/home/mob/ejs/out/bin/ejs.exe ./args \"a b\" c"
argc = mprMakeArgv("\"\\bin\\sh\" \"-c\" \"c:/home/mob/ejs/out/bin/ejs.exe ./args \\\"a b\\\" c\"", &argv, 0);
tassert(argc == 3);
tassert(strcmp(argv[0], "\\bin\\sh") == 0);
tassert(strcmp(argv[1], "-c") == 0);
tassert(strcmp(argv[2], "c:/home/mob/ejs/out/bin/ejs.exe ./args \"a b\" c") == 0);
// "\bin\sh" "-c" "/bin/ejs ./args \"a b\" c"
argc = mprMakeArgv("\"\\bin\\sh\" \"-c\" \"/bin/ejs ./args \\\"a b\\\" c\"", &argv, 0);
tassert(argc == 3);
tassert(strcmp(argv[0], "\\bin\\sh") == 0);
tassert(strcmp(argv[1], "-c") == 0);
tassert(strcmp(argv[2], "/bin/ejs ./args \"a b\" c") == 0);
}
SysStatus
BlockDevBase::StubFRHolder::init(ObjectHandle myOH, uval size)
{
ObjectHandle oh;
SysStatus rc;
/* We added name information in the interface to make dubugging FCMs
* and FRs easier, but we don't need them here. Also, fileToken is
* not relevant */
char foo;
rc = FRPA::_Create(oh, _KERNEL_PID, myOH, size, 0 /* fileToken */,
&foo, 0);
tassert( _SUCCESS(rc), err_printf("woops\n"));
stubFR.setOH(oh);
// err_printf("constructing StubFRHolder %p\n", this);
return 0;
};
/* virtual */ SysStatusUval
FRPA::startFillPage(uval physAddr, uval objOffset)
{
if (objOffset >= filelen) {
return PAGE_NOT_FOUND;
}
FetchAndAddSignedVolatile(&outstanding, 1);
SysStatus rc;
uval addr;
rc = convertAddressReadFrom(physAddr, addr); /* almost nop for FRPA;
* conversion for FRVA */
tassert(_SUCCESS(rc), err_printf("convertAddress failed\n"));
if (kptref) {
rc = DREF(kptref)->startFillPage(fileToken, addr, objOffset);
} else {
/* we don't have a transport setup, so we will use the async
* interfaces */
/* not having kptref means that the old _Create itfc has been used,
* let's check that fileToken has not been given */
tassertMsg(fileToken == 0, "how come?");
uval interval = 20000; // do this in cycles, not time
rc = stubFile->_startFillPage(addr, objOffset);
while (!_SUCCESS(rc) && (_SGENCD(rc) == EBUSY) &&
interval < 200000000000UL) {
Scheduler::DelayUntil(interval, TimerEvent::relative);
interval = interval*10; // back off to avoid livelock
rc = stubFile->_startFillPage(addr, objOffset);
}
passertMsg(_SUCCESS(rc), "timed out trying to send to file system\n");
}
passertMsg((rc == 0 || rc == PAGE_NOT_FOUND),
"assuming getting back 0 or PAGE_NOT_FOUND from FS\n");
return rc;
}
/* virtual */ DataTransferObject *
ProcessShared<ALLOC>::Root::dataTransferExport(DTType dtt, VPSet transferVPSet)
{
ProcessShared<ALLOC> *rep = (ProcessShared<ALLOC> *)therep;
tassert(dtt == DTT_PROCESS_DEFAULT, err_printf("wrong transfer type\n"));
if (transferVPSet.firstVP() != Scheduler::GetVP()) {
/* only do transfer on first VP */
return 0;
}
tassertMsg(!rep->updatedFlagDoNotDestroy, "process being updated twice\n");
rep->updatedFlagDoNotDestroy = true;
return new ProcessDataTransferObject<ALLOC>(
&rep->rlst, &rep->lazyState, &rep->vpList, &rep->matched,
&rep->memTransMgr, rep->hatRefProcess, rep->pmRef, rep->OSData,
&exported);
}
/*
* unmaps the page from the process this region is attached to
* argument is the FCM offset - which the Region can convert
* to a virtual address
* we find the specific vp this offset is in
*/
SysStatus
RegionPerProcessorKernel::unmapPage(uval offset)
{
if (hat) {
VPNum vp;
//calculate which vp this offset is "in"
vp = (offset-fileOffset)/regionSize;
/* vp should be local vp, although not having the vp is ok as well.
* this actually may not be fatal if for some reason we share these
*/
VPNum pp;
tassert(_FAILURE(DREF(proc)->vpnumToPpnum(vp, pp))
|| (pp == Scheduler::GetVP()),
err_printf("RPP::unmapPageLocal wrong proc: %ld != %ld\n",
uval(pp), uval(Scheduler::GetVP())));
DREF(hat)->unmapPage((offset-fileOffset)-vp*regionSize+regionVaddr);
}
return 0;
}
/*
* For now, destruction only under the control of ServerFileBlockNFS,
* eventually the kernel will have to have some way to manage how
* many FRs there are in the system, and destroy those of a
* non-responsive file system.
*/
SysStatus
FRPA::locked_destroy()
{
_ASSERT_HELD(lock);
// FIXME: take a look at synchronization
//err_printf("FRPA::locked_destroy() : %lx\n",getRef());
if (beingDestroyed) return _SDELETED(2204);
beingDestroyed = 1;
//err_printf("Before fcmRef->fsync and destroy(), outstanding=%ld\n",
// outstanding);
// first flush back dirty pages and destroy FCM
// these might result in callbacks, and there may be I/Os pending
// checks on beingDestroyed avoid deadlock in those cases
if (fcmRef) {
if (!removed) DREF(fcmRef)->fsync(1 /*force*/);
DREF(fcmRef)->destroy();
}
tassert(outstanding == 0, err_printf("oops: outstanding is %ld\n",
outstanding));
{ // remove all ObjRefs to this object
SysStatus rc=closeExportedXObjectList();
// most likely cause is that another destroy is in progress
if (_FAILURE(rc)) return rc;
}
delete stubFile;
stubFile = 0;
// schedule the object for deletion
destroyUnchecked();
return (0);
}
