/**
* Common worker for the debug and normal APIs.
*
* @returns VINF_SUCCESS if entered successfully.
* @returns rcBusy when encountering a busy critical section in GC/R0.
* @retval VERR_SEM_DESTROYED if the critical section is delete before or
* during the operation.
*
* @param pCritSect The PDM critical section to enter.
* @param rcBusy The status code to return when we're in GC or R0
* and the section is busy.
*/
DECL_FORCE_INLINE(int) pdmCritSectEnter(PPDMCRITSECT pCritSect, int rcBusy, PCRTLOCKVALSRCPOS pSrcPos)
{
Assert(pCritSect->s.Core.cNestings < 8); /* useful to catch incorrect locking */
Assert(pCritSect->s.Core.cNestings >= 0);
/*
* If the critical section has already been destroyed, then inform the caller.
*/
AssertMsgReturn(pCritSect->s.Core.u32Magic == RTCRITSECT_MAGIC,
("%p %RX32\n", pCritSect, pCritSect->s.Core.u32Magic),
VERR_SEM_DESTROYED);
/*
* See if we're lucky.
*/
/* NOP ... */
if (pCritSect->s.Core.fFlags & RTCRITSECT_FLAGS_NOP)
return VINF_SUCCESS;
RTNATIVETHREAD hNativeSelf = pdmCritSectGetNativeSelf(pCritSect);
/* ... not owned ... */
if (ASMAtomicCmpXchgS32(&pCritSect->s.Core.cLockers, 0, -1))
return pdmCritSectEnterFirst(pCritSect, hNativeSelf, pSrcPos);
/* ... or nested. */
if (pCritSect->s.Core.NativeThreadOwner == hNativeSelf)
{
ASMAtomicIncS32(&pCritSect->s.Core.cLockers);
ASMAtomicIncS32(&pCritSect->s.Core.cNestings);
Assert(pCritSect->s.Core.cNestings > 1);
return VINF_SUCCESS;
}
/*
* Spin for a bit without incrementing the counter.
*/
/** @todo Move this to cfgm variables since it doesn't make sense to spin on UNI
* cpu systems. */
int32_t cSpinsLeft = CTX_SUFF(PDMCRITSECT_SPIN_COUNT_);
while (cSpinsLeft-- > 0)
{
if (ASMAtomicCmpXchgS32(&pCritSect->s.Core.cLockers, 0, -1))
return pdmCritSectEnterFirst(pCritSect, hNativeSelf, pSrcPos);
ASMNopPause();
/** @todo Should use monitor/mwait on e.g. &cLockers here, possibly with a
cli'ed pendingpreemption check up front using sti w/ instruction fusing
for avoiding races. Hmm ... This is assuming the other party is actually
executing code on another CPU ... which we could keep track of if we
wanted. */
}
#ifdef IN_RING3
/*
* Take the slow path.
*/
NOREF(rcBusy);
return pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
#else
# ifdef IN_RING0
/** @todo If preemption is disabled it means we're in VT-x/AMD-V context
* and would be better off switching out of that while waiting for
* the lock. Several of the locks jumps back to ring-3 just to
* get the lock, the ring-3 code will then call the kernel to do
* the lock wait and when the call return it will call ring-0
* again and resume via in setjmp style. Not very efficient. */
# if 0
if (ASMIntAreEnabled()) /** @todo this can be handled as well by changing
* callers not prepared for longjmp/blocking to
* use PDMCritSectTryEnter. */
{
/*
* Leave HM context while waiting if necessary.
*/
int rc;
if (RTThreadPreemptIsEnabled(NIL_RTTHREAD))
{
STAM_REL_COUNTER_ADD(&pCritSect->s.StatContentionRZLock, 1000000);
rc = pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
}
else
{
STAM_REL_COUNTER_ADD(&pCritSect->s.StatContentionRZLock, 1000000000);
PVM pVM = pCritSect->s.CTX_SUFF(pVM);
PVMCPU pVCpu = VMMGetCpu(pVM);
HMR0Leave(pVM, pVCpu);
RTThreadPreemptRestore(NIL_RTTHREAD, XXX);
rc = pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
RTThreadPreemptDisable(NIL_RTTHREAD, XXX);
HMR0Enter(pVM, pVCpu);
}
return rc;
}
# else
/*
* We preemption hasn't been disabled, we can block here in ring-0.
*/
if ( RTThreadPreemptIsEnabled(NIL_RTTHREAD)
&& ASMIntAreEnabled())
return pdmR3R0CritSectEnterContended(pCritSect, hNativeSelf, pSrcPos);
# endif
#endif /* IN_RING0 */
STAM_REL_COUNTER_INC(&pCritSect->s.StatContentionRZLock);
/*
* Call ring-3 to acquire the critical section?
*/
if (rcBusy == VINF_SUCCESS)
{
PVM pVM = pCritSect->s.CTX_SUFF(pVM); AssertPtr(pVM);
PVMCPU pVCpu = VMMGetCpu(pVM); AssertPtr(pVCpu);
return VMMRZCallRing3(pVM, pVCpu, VMMCALLRING3_PDM_CRIT_SECT_ENTER, MMHyperCCToR3(pVM, pCritSect));
}
/*
* Return busy.
*/
LogFlow(("PDMCritSectEnter: locked => R3 (%Rrc)\n", rcBusy));
return rcBusy;
#endif /* !IN_RING3 */
}
/**
* Worker for RTSemEventMultiWaitEx and RTSemEventMultiWaitExDebug.
*
* @returns VBox status code.
* @param pThis The event semaphore.
* @param fFlags See RTSemEventMultiWaitEx.
* @param uTimeout See RTSemEventMultiWaitEx.
* @param pSrcPos The source code position of the wait.
*/
static int rtR0SemEventMultiLnxWait(PRTSEMEVENTMULTIINTERNAL pThis, uint32_t fFlags, uint64_t uTimeout,
PCRTLOCKVALSRCPOS pSrcPos)
{
uint32_t fOrgStateAndGen;
int rc;
/*
* Validate the input.
*/
AssertPtrReturn(pThis, VERR_INVALID_PARAMETER);
AssertMsgReturn(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC, ("%p u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_PARAMETER);
AssertReturn(RTSEMWAIT_FLAGS_ARE_VALID(fFlags), VERR_INVALID_PARAMETER);
rtR0SemEventMultiLnxRetain(pThis);
/*
* Is the event already signalled or do we have to wait?
*/
fOrgStateAndGen = ASMAtomicUoReadU32(&pThis->fStateAndGen);
if (fOrgStateAndGen & RTSEMEVENTMULTILNX_STATE_MASK)
rc = VINF_SUCCESS;
else
{
/*
* We have to wait.
*/
RTR0SEMLNXWAIT Wait;
rc = rtR0SemLnxWaitInit(&Wait, fFlags, uTimeout, &pThis->Head);
if (RT_SUCCESS(rc))
{
IPRT_DEBUG_SEMS_STATE(pThis, 'E');
for (;;)
{
/* The destruction test. */
if (RT_UNLIKELY(pThis->u32Magic != RTSEMEVENTMULTI_MAGIC))
rc = VERR_SEM_DESTROYED;
else
{
rtR0SemLnxWaitPrepare(&Wait);
/* Check the exit conditions. */
if (RT_UNLIKELY(pThis->u32Magic != RTSEMEVENTMULTI_MAGIC))
rc = VERR_SEM_DESTROYED;
else if (ASMAtomicUoReadU32(&pThis->fStateAndGen) != fOrgStateAndGen)
rc = VINF_SUCCESS;
else if (rtR0SemLnxWaitHasTimedOut(&Wait))
rc = VERR_TIMEOUT;
else if (rtR0SemLnxWaitWasInterrupted(&Wait))
rc = VERR_INTERRUPTED;
else
{
/* Do the wait and then recheck the conditions. */
rtR0SemLnxWaitDoIt(&Wait);
continue;
}
}
break;
}
rtR0SemLnxWaitDelete(&Wait);
IPRT_DEBUG_SEMS_STATE_RC(pThis, 'E', rc);
}
}
rtR0SemEventMultiLnxRelease(pThis);
return rc;
}
RTDECL(int) RTMpNotificationRegister(PFNRTMPNOTIFICATION pfnCallback, void *pvUser)
{
PRTMPNOTIFYREG pCur;
PRTMPNOTIFYREG pNew;
/*
* Validation.
*/
AssertPtrReturn(pfnCallback, VERR_INVALID_POINTER);
AssertReturn(g_hRTMpNotifySpinLock != NIL_RTSPINLOCK, VERR_WRONG_ORDER);
RT_ASSERT_PREEMPTIBLE();
RTSpinlockAcquire(g_hRTMpNotifySpinLock);
for (pCur = g_pRTMpCallbackHead; pCur; pCur = pCur->pNext)
if ( pCur->pvUser == pvUser
&& pCur->pfnCallback == pfnCallback)
break;
RTSpinlockRelease(g_hRTMpNotifySpinLock);
AssertMsgReturn(!pCur, ("pCur=%p pfnCallback=%p pvUser=%p\n", pCur, pfnCallback, pvUser), VERR_ALREADY_EXISTS);
/*
* Allocate a new record and attempt to insert it.
*/
pNew = (PRTMPNOTIFYREG)RTMemAlloc(sizeof(*pNew));
if (!pNew)
return VERR_NO_MEMORY;
pNew->pNext = NULL;
pNew->pfnCallback = pfnCallback;
pNew->pvUser = pvUser;
memset(&pNew->bmDone[0], 0xff, sizeof(pNew->bmDone));
RTSpinlockAcquire(g_hRTMpNotifySpinLock);
pCur = g_pRTMpCallbackHead;
if (!pCur)
g_pRTMpCallbackHead = pNew;
else
{
for (pCur = g_pRTMpCallbackHead; ; pCur = pCur->pNext)
if ( pCur->pvUser == pvUser
&& pCur->pfnCallback == pfnCallback)
break;
else if (!pCur->pNext)
{
pCur->pNext = pNew;
pCur = NULL;
break;
}
}
ASMAtomicIncU32(&g_iRTMpGeneration);
RTSpinlockRelease(g_hRTMpNotifySpinLock);
/* duplicate? */
if (pCur)
{
RTMemFree(pCur);
AssertMsgFailedReturn(("pCur=%p pfnCallback=%p pvUser=%p\n", pCur, pfnCallback, pvUser), VERR_ALREADY_EXISTS);
}
return VINF_SUCCESS;
}
/**
* Runs all the filters on the specified device.
*
* All filters mean global and active VM, with the exception of those
* belonging to \a aMachine. If a global ignore filter matched or if
* none of the filters matched, the device will be released back to
* the host.
*
* The device calling us here will be in the HeldByProxy, Unused, or
* Capturable state. The caller is aware that locks held might have
* to be abandond because of IPC and that the device might be in
* almost any state upon return.
*
*
* @returns COM status code (only parameter & state checks will fail).
* @param aDevice The USB device to apply filters to.
* @param aIgnoreMachine The machine to ignore filters from (we've just
* detached the device from this machine).
*
* @note The caller is expected to own no locks.
*/
HRESULT USBProxyService::runAllFiltersOnDevice(ComObjPtr<HostUSBDevice> &aDevice,
SessionMachinesList &llOpenedMachines,
SessionMachine *aIgnoreMachine)
{
LogFlowThisFunc(("{%s} ignoring=%p\n", aDevice->i_getName().c_str(), aIgnoreMachine));
/*
* Verify preconditions.
*/
AssertReturn(!isWriteLockOnCurrentThread(), E_FAIL);
AssertReturn(!aDevice->isWriteLockOnCurrentThread(), E_FAIL);
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
AutoWriteLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
AssertMsgReturn(aDevice->i_isCapturableOrHeld(), ("{%s} %s\n", aDevice->i_getName().c_str(),
aDevice->i_getStateName()), E_FAIL);
/*
* Get the lists we'll iterate.
*/
Host::USBDeviceFilterList globalFilters;
mHost->i_getUSBFilters(&globalFilters);
/*
* Run global filters filters first.
*/
bool fHoldIt = false;
for (Host::USBDeviceFilterList::const_iterator it = globalFilters.begin();
it != globalFilters.end();
++it)
{
AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
const HostUSBDeviceFilter::Data &data = (*it)->i_getData();
if (aDevice->i_isMatch(data))
{
USBDeviceFilterAction_T action = USBDeviceFilterAction_Null;
(*it)->COMGETTER(Action)(&action);
if (action == USBDeviceFilterAction_Ignore)
{
/*
* Release the device to the host and we're done.
*/
filterLock.release();
devLock.release();
alock.release();
aDevice->i_requestReleaseToHost();
return S_OK;
}
if (action == USBDeviceFilterAction_Hold)
{
/*
* A device held by the proxy needs to be subjected
* to the machine filters.
*/
fHoldIt = true;
break;
}
AssertMsgFailed(("action=%d\n", action));
}
}
globalFilters.clear();
/*
* Run the per-machine filters.
*/
for (SessionMachinesList::const_iterator it = llOpenedMachines.begin();
it != llOpenedMachines.end();
++it)
{
ComObjPtr<SessionMachine> pMachine = *it;
/* Skip the machine the device was just detached from. */
if ( aIgnoreMachine
&& pMachine == aIgnoreMachine)
continue;
/* runMachineFilters takes care of checking the machine state. */
devLock.release();
alock.release();
if (runMachineFilters(pMachine, aDevice))
{
LogFlowThisFunc(("{%s} attached to %p\n", aDevice->i_getName().c_str(), (void *)pMachine));
return S_OK;
}
alock.acquire();
devLock.acquire();
}
/*
* No matching machine, so request hold or release depending
* on global filter match.
*/
devLock.release();
alock.release();
if (fHoldIt)
aDevice->i_requestHold();
else
aDevice->i_requestReleaseToHost();
return S_OK;
}
RTDECL(int) RTFileMove(const char *pszSrc, const char *pszDst, unsigned fMove)
{
/*
* Validate input.
*/
AssertMsgReturn(VALID_PTR(pszSrc), ("%p\n", pszSrc), VERR_INVALID_POINTER);
AssertMsgReturn(VALID_PTR(pszDst), ("%p\n", pszDst), VERR_INVALID_POINTER);
AssertMsgReturn(*pszSrc, ("%p\n", pszSrc), VERR_INVALID_PARAMETER);
AssertMsgReturn(*pszDst, ("%p\n", pszDst), VERR_INVALID_PARAMETER);
AssertMsgReturn(!(fMove & ~RTFILEMOVE_FLAGS_REPLACE), ("%#x\n", fMove), VERR_INVALID_PARAMETER);
/*
* Try RTFileRename first.
*/
Assert(RTPATHRENAME_FLAGS_REPLACE == RTFILEMOVE_FLAGS_REPLACE);
unsigned fRename = fMove;
int rc = RTFileRename(pszSrc, pszDst, fRename);
if (rc == VERR_NOT_SAME_DEVICE)
{
const char *pszDelete = NULL;
/*
* The source and target are not on the same device, darn.
* We'll try open both ends and perform a copy.
*/
RTFILE FileSrc;
rc = RTFileOpen(&FileSrc, pszSrc, RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN);
if (RT_SUCCESS(rc))
{
RTFILE FileDst;
rc = RTFileOpen(&FileDst, pszDst, RTFILE_O_WRITE | RTFILE_O_DENY_ALL | RTFILE_O_CREATE_REPLACE);
if (RT_SUCCESS(rc))
{
rc = RTFileCopyByHandles(FileSrc, FileDst);
if (RT_SUCCESS(rc))
pszDelete = pszSrc;
else
{
pszDelete = pszDst;
Log(("RTFileMove('%s', '%s', %#x): copy failed, rc=%Rrc\n",
pszSrc, pszDst, fMove, rc));
}
/* try delete without closing, and could perhaps avoid some trouble */
int rc2 = RTFileDelete(pszDelete);
if (RT_SUCCESS(rc2))
pszDelete = NULL;
RTFileClose(FileDst);
}
else
Log(("RTFileMove('%s', '%s', %#x): failed to create destination, rc=%Rrc\n",
pszSrc, pszDst, fMove, rc));
RTFileClose(FileSrc);
}
else
Log(("RTFileMove('%s', '%s', %#x): failed to open source, rc=%Rrc\n",
pszSrc, pszDst, fMove, rc));
/* if we failed to close it while open, close it now */
if (pszDelete)
{
int rc2 = RTFileDelete(pszDelete);
if (RT_FAILURE(rc2))
Log(("RTFileMove('%s', '%s', %#x): failed to delete '%s', rc2=%Rrc (rc=%Rrc)\n",
pszSrc, pszDst, fMove, pszDelete, rc2, rc));
}
}
LogFlow(("RTDirRename(%p:{%s}, %p:{%s}, %#x): returns %Rrc\n",
pszSrc, pszSrc, pszDst, pszDst, fMove, rc));
return rc;
}
/**
* Construct a block driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
static DECLCALLBACK(int) drvscsiConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
{
int rc = VINF_SUCCESS;
PDRVSCSI pThis = PDMINS_2_DATA(pDrvIns, PDRVSCSI);
LogFlowFunc(("pDrvIns=%#p pCfg=%#p\n", pDrvIns, pCfg));
PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
/*
* Initialize the instance data.
*/
pThis->pDrvIns = pDrvIns;
pThis->ISCSIConnector.pfnSCSIRequestSend = drvscsiRequestSend;
pDrvIns->IBase.pfnQueryInterface = drvscsiQueryInterface;
pThis->IPort.pfnQueryDeviceLocation = drvscsiQueryDeviceLocation;
pThis->IPortAsync.pfnTransferCompleteNotify = drvscsiTransferCompleteNotify;
pThis->hQueueRequests = NIL_RTREQQUEUE;
/* Query the SCSI port interface above. */
pThis->pDevScsiPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMISCSIPORT);
AssertMsgReturn(pThis->pDevScsiPort, ("Missing SCSI port interface above\n"), VERR_PDM_MISSING_INTERFACE);
/* Query the optional LED interface above. */
pThis->pLedPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMILEDPORTS);
if (pThis->pLedPort != NULL)
{
/* Get The Led. */
rc = pThis->pLedPort->pfnQueryStatusLed(pThis->pLedPort, 0, &pThis->pLed);
if (RT_FAILURE(rc))
pThis->pLed = &pThis->Led;
}
else
pThis->pLed = &pThis->Led;
/*
* Validate and read configuration.
*/
if (!CFGMR3AreValuesValid(pCfg, "NonRotationalMedium\0Readonly\0"))
return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES,
N_("SCSI configuration error: unknown option specified"));
rc = CFGMR3QueryBoolDef(pCfg, "NonRotationalMedium", &pThis->fNonRotational, false);
if (RT_FAILURE(rc))
return PDMDRV_SET_ERROR(pDrvIns, rc,
N_("SCSI configuration error: failed to read \"NonRotationalMedium\" as boolean"));
rc = CFGMR3QueryBoolDef(pCfg, "Readonly", &pThis->fReadonly, false);
if (RT_FAILURE(rc))
return PDMDRV_SET_ERROR(pDrvIns, rc,
N_("SCSI configuration error: failed to read \"Readonly\" as boolean"));
/*
* Try attach driver below and query it's block interface.
*/
rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pThis->pDrvBase);
AssertMsgReturn(RT_SUCCESS(rc), ("Attaching driver below failed rc=%Rrc\n", rc), rc);
/*
* Query the block and blockbios interfaces.
*/
pThis->pDrvBlock = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIBLOCK);
if (!pThis->pDrvBlock)
{
AssertMsgFailed(("Configuration error: No block interface!\n"));
return VERR_PDM_MISSING_INTERFACE;
}
pThis->pDrvBlockBios = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIBLOCKBIOS);
if (!pThis->pDrvBlockBios)
{
AssertMsgFailed(("Configuration error: No block BIOS interface!\n"));
return VERR_PDM_MISSING_INTERFACE;
}
pThis->pDrvMount = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIMOUNT);
/* Try to get the optional async block interface. */
pThis->pDrvBlockAsync = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIBLOCKASYNC);
PDMBLOCKTYPE enmType = pThis->pDrvBlock->pfnGetType(pThis->pDrvBlock);
if (enmType != PDMBLOCKTYPE_HARD_DISK)
return PDMDrvHlpVMSetError(pDrvIns, VERR_PDM_UNSUPPORTED_BLOCK_TYPE, RT_SRC_POS,
N_("Only hard disks are currently supported as SCSI devices (enmType=%d)"),
enmType);
/* Create VSCSI device and LUN. */
pThis->VScsiIoCallbacks.pfnVScsiLunMediumGetSize = drvscsiGetSize;
pThis->VScsiIoCallbacks.pfnVScsiLunReqTransferEnqueue = drvscsiReqTransferEnqueue;
pThis->VScsiIoCallbacks.pfnVScsiLunGetFeatureFlags = drvscsiGetFeatureFlags;
rc = VSCSIDeviceCreate(&pThis->hVScsiDevice, drvscsiVScsiReqCompleted, pThis);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create VSCSI device rc=%Rrc\n"), rc);
rc = VSCSILunCreate(&pThis->hVScsiLun, VSCSILUNTYPE_SBC, &pThis->VScsiIoCallbacks,
pThis);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create VSCSI LUN rc=%Rrc\n"), rc);
rc = VSCSIDeviceLunAttach(pThis->hVScsiDevice, pThis->hVScsiLun, 0);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to attached the LUN to the SCSI device\n"), rc);
/* Register statistics counter. */
/** @todo aeichner: Find a way to put the instance number of the attached
* controller device when we support more than one controller of the same type.
* At the moment we have the 0 hardcoded. */
PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES,
"Amount of data read.", "/Devices/SCSI0/%d/ReadBytes", pDrvIns->iInstance);
PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES,
"Amount of data written.", "/Devices/SCSI0/%d/WrittenBytes", pDrvIns->iInstance);
pThis->StatIoDepth = 0;
PDMDrvHlpSTAMRegisterF(pDrvIns, (void *)&pThis->StatIoDepth, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
"Number of active tasks.", "/Devices/SCSI0/%d/IoDepth", pDrvIns->iInstance);
if (!pThis->pDrvBlockAsync)
{
/* Create request queue. */
rc = RTReqQueueCreate(&pThis->hQueueRequests);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create request queue rc=%Rrc\n"), rc);
/* Create I/O thread. */
rc = PDMDrvHlpThreadCreate(pDrvIns, &pThis->pAsyncIOThread, pThis, drvscsiAsyncIOLoop,
drvscsiAsyncIOLoopWakeup, 0, RTTHREADTYPE_IO, "SCSI async IO");
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create async I/O thread rc=%Rrc\n"), rc);
LogRel(("SCSI#%d: using normal I/O\n", pDrvIns->iInstance));
}
else
LogRel(("SCSI#%d: using async I/O\n", pDrvIns->iInstance));
if ( pThis->pDrvBlock->pfnDiscard
|| ( pThis->pDrvBlockAsync
&& pThis->pDrvBlockAsync->pfnStartDiscard))
LogRel(("SCSI#%d: Enabled UNMAP support\n"));
return VINF_SUCCESS;
}
/**
* Construct a status driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
DECLCALLBACK(int) VMStatus::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
{
PDRVMAINSTATUS pData = PDMINS_2_DATA(pDrvIns, PDRVMAINSTATUS);
LogFlow(("VMStatus::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
/*
* Validate configuration.
*/
if (!CFGMR3AreValuesValid(pCfg, "papLeds\0First\0Last\0"))
return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
("Configuration error: Not possible to attach anything to this driver!\n"),
VERR_PDM_DRVINS_NO_ATTACH);
/*
* Data.
*/
pDrvIns->IBase.pfnQueryInterface = VMStatus::drvQueryInterface;
pData->ILedConnectors.pfnUnitChanged = VMStatus::drvUnitChanged;
/*
* Read config.
*/
int rc = CFGMR3QueryPtr(pCfg, "papLeds", (void **)&pData->papLeds);
if (RT_FAILURE(rc))
{
AssertMsgFailed(("Configuration error: Failed to query the \"papLeds\" value! rc=%Rrc\n", rc));
return rc;
}
rc = CFGMR3QueryU32(pCfg, "First", &pData->iFirstLUN);
if (rc == VERR_CFGM_VALUE_NOT_FOUND)
pData->iFirstLUN = 0;
else if (RT_FAILURE(rc))
{
AssertMsgFailed(("Configuration error: Failed to query the \"First\" value! rc=%Rrc\n", rc));
return rc;
}
rc = CFGMR3QueryU32(pCfg, "Last", &pData->iLastLUN);
if (rc == VERR_CFGM_VALUE_NOT_FOUND)
pData->iLastLUN = 0;
else if (RT_FAILURE(rc))
{
AssertMsgFailed(("Configuration error: Failed to query the \"Last\" value! rc=%Rrc\n", rc));
return rc;
}
if (pData->iFirstLUN > pData->iLastLUN)
{
AssertMsgFailed(("Configuration error: Invalid unit range %u-%u\n", pData->iFirstLUN, pData->iLastLUN));
return VERR_GENERAL_FAILURE;
}
/*
* Get the ILedPorts interface of the above driver/device and
* query the LEDs we want.
*/
pData->pLedPorts = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMILEDPORTS);
AssertMsgReturn(pData->pLedPorts, ("Configuration error: No led ports interface above!\n"),
VERR_PDM_MISSING_INTERFACE_ABOVE);
for (unsigned i = pData->iFirstLUN; i <= pData->iLastLUN; i++)
VMStatus::drvUnitChanged(&pData->ILedConnectors, i);
return VINF_SUCCESS;
}
/**
* Worker for RTSemEventWaitEx and RTSemEventWaitExDebug.
*
* @returns VBox status code.
* @param pThis The event semaphore.
* @param fFlags See RTSemEventWaitEx.
* @param uTimeout See RTSemEventWaitEx.
* @param pSrcPos The source code position of the wait.
*/
static int rtR0SemEventWait(PRTSEMEVENTINTERNAL pThis, uint32_t fFlags, uint64_t uTimeout,
PCRTLOCKVALSRCPOS pSrcPos)
{
status_t status;
int rc;
int32 flags = 0;
bigtime_t timeout; /* in microseconds */
/*
* Validate the input.
*/
AssertPtrReturn(pThis, VERR_INVALID_PARAMETER);
AssertMsgReturn(pThis->u32Magic == RTSEMEVENT_MAGIC, ("%p u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_PARAMETER);
AssertReturn(RTSEMWAIT_FLAGS_ARE_VALID(fFlags), VERR_INVALID_PARAMETER);
if (fFlags & RTSEMWAIT_FLAGS_INDEFINITE)
timeout = B_INFINITE_TIMEOUT;
else
{
if (fFlags & RTSEMWAIT_FLAGS_NANOSECS)
timeout = uTimeout / 1000;
else if (fFlags & RTSEMWAIT_FLAGS_MILLISECS)
timeout = uTimeout * 1000;
else
return VERR_INVALID_PARAMETER;
if (fFlags & RTSEMWAIT_FLAGS_RELATIVE)
flags |= B_RELATIVE_TIMEOUT;
else if (fFlags & RTSEMWAIT_FLAGS_ABSOLUTE)
flags |= B_ABSOLUTE_TIMEOUT;
else
return VERR_INVALID_PARAMETER;
}
if (fFlags & RTSEMWAIT_FLAGS_INTERRUPTIBLE)
flags |= B_CAN_INTERRUPT;
// likely not:
//else
// flags |= B_KILL_CAN_INTERRUPT;
rtR0SemEventHkuRetain(pThis);
status = acquire_sem_etc(pThis->SemId, 1, flags, timeout);
switch (status)
{
case B_OK:
rc = VINF_SUCCESS;
break;
case B_BAD_SEM_ID:
rc = VERR_SEM_DESTROYED;
break;
case B_INTERRUPTED:
rc = VERR_INTERRUPTED;
break;
case B_WOULD_BLOCK:
/* fallthrough ? */
case B_TIMED_OUT:
rc = VERR_TIMEOUT;
break;
default:
rc = RTErrConvertFromHaikuKernReturn(status);
break;
}
rtR0SemEventHkuRelease(pThis);
return rc;
}
/**
* Adjusts and validates the flags.
*
* The adjustments are made according to the wishes specified using the RTFileSetForceFlags API.
*
* @returns IPRT status code.
* @param pfOpen Pointer to the user specified flags on input.
* Updated on successful return.
* @internal
*/
int rtFileRecalcAndValidateFlags(uint64_t *pfOpen)
{
/*
* Recalc.
*/
uint32_t fOpen = *pfOpen;
switch (fOpen & RTFILE_O_ACCESS_MASK)
{
case RTFILE_O_READ:
fOpen |= g_fOpenReadSet;
fOpen &= ~g_fOpenReadMask;
break;
case RTFILE_O_WRITE:
fOpen |= g_fOpenWriteSet;
fOpen &= ~g_fOpenWriteMask;
break;
case RTFILE_O_READWRITE:
fOpen |= g_fOpenReadWriteSet;
fOpen &= ~g_fOpenReadWriteMask;
break;
default:
AssertMsgFailed(("Invalid RW value, fOpen=%#llx\n", fOpen));
return VERR_INVALID_PARAMETER;
}
/*
* Validate .
*/
AssertMsgReturn(fOpen & RTFILE_O_ACCESS_MASK, ("Missing RTFILE_O_READ/WRITE: fOpen=%#llx\n", fOpen), VERR_INVALID_PARAMETER);
#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
AssertMsgReturn(!(fOpen & (~(uint64_t)RTFILE_O_VALID_MASK | RTFILE_O_NON_BLOCK)), ("%#llx\n", fOpen), VERR_INVALID_PARAMETER);
#else
AssertMsgReturn(!(fOpen & ~(uint64_t)RTFILE_O_VALID_MASK), ("%#llx\n", fOpen), VERR_INVALID_PARAMETER);
#endif
AssertMsgReturn((fOpen & (RTFILE_O_TRUNCATE | RTFILE_O_WRITE)) != RTFILE_O_TRUNCATE, ("%#llx\n", fOpen), VERR_INVALID_PARAMETER);
switch (fOpen & RTFILE_O_ACTION_MASK)
{
case 0: /* temporarily */
AssertMsgFailed(("Missing RTFILE_O_OPEN/CREATE*! (continuable assertion)\n"));
fOpen |= RTFILE_O_OPEN;
break;
case RTFILE_O_OPEN:
AssertMsgReturn(!(RTFILE_O_NOT_CONTENT_INDEXED & fOpen), ("%#llx\n", fOpen), VERR_INVALID_PARAMETER);
case RTFILE_O_OPEN_CREATE:
case RTFILE_O_CREATE:
case RTFILE_O_CREATE_REPLACE:
break;
default:
AssertMsgFailed(("Invalid action value: fOpen=%#llx\n", fOpen));
return VERR_INVALID_PARAMETER;
}
switch (fOpen & RTFILE_O_DENY_MASK)
{
case 0: /* temporarily */
AssertMsgFailed(("Missing RTFILE_O_DENY_*! (continuable assertion)\n"));
fOpen |= RTFILE_O_DENY_NONE;
break;
case RTFILE_O_DENY_NONE:
case RTFILE_O_DENY_READ:
case RTFILE_O_DENY_WRITE:
case RTFILE_O_DENY_WRITE | RTFILE_O_DENY_READ:
case RTFILE_O_DENY_NOT_DELETE:
case RTFILE_O_DENY_NOT_DELETE | RTFILE_O_DENY_READ:
case RTFILE_O_DENY_NOT_DELETE | RTFILE_O_DENY_WRITE:
case RTFILE_O_DENY_NOT_DELETE | RTFILE_O_DENY_WRITE | RTFILE_O_DENY_READ:
break;
default:
AssertMsgFailed(("Invalid deny value: fOpen=%#llx\n", fOpen));
return VERR_INVALID_PARAMETER;
}
/* done */
*pfOpen = fOpen;
return VINF_SUCCESS;
}
RTDECL(RTLDRARCH) RTLdrGetArch(RTLDRMOD hLdrMod)
{
AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), RTLDRARCH_INVALID);
PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
return pMod->enmArch;
}
RTDECL(RTLDRFMT) RTLdrGetFormat(RTLDRMOD hLdrMod)
{
AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), RTLDRFMT_INVALID);
PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
return pMod->enmFormat;
}
RTDECL(RTLDRENDIAN) RTLdrGetEndian(RTLDRMOD hLdrMod)
{
AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), RTLDRENDIAN_INVALID);
PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
return pMod->enmEndian;
}
RTDECL(RTLDRTYPE) RTLdrGetType(RTLDRMOD hLdrMod)
{
AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), RTLDRTYPE_INVALID);
PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
return pMod->enmType;
}
/**
* Implements the timed wait.
*
* @returns See RTSemEventMultiWaitEx
* @param pThis The semaphore.
* @param fFlags See RTSemEventMultiWaitEx.
* @param uTimeout See RTSemEventMultiWaitEx.
* @param pSrcPos The source position, can be NULL.
*/
static int rtSemEventMultiPosixWaitTimed(struct RTSEMEVENTMULTIINTERNAL *pThis, uint32_t fFlags, uint64_t uTimeout,
PCRTLOCKVALSRCPOS pSrcPos)
{
/*
* Convert uTimeout to a relative value in nano seconds.
*/
if (fFlags & RTSEMWAIT_FLAGS_MILLISECS)
uTimeout = uTimeout < UINT64_MAX / UINT32_C(1000000) * UINT32_C(1000000)
? uTimeout * UINT32_C(1000000)
: UINT64_MAX;
if (uTimeout == UINT64_MAX) /* unofficial way of indicating an indefinite wait */
return rtSemEventMultiPosixWaitIndefinite(pThis, fFlags, pSrcPos);
uint64_t uAbsTimeout = uTimeout;
if (fFlags & RTSEMWAIT_FLAGS_ABSOLUTE)
{
uint64_t u64Now = RTTimeSystemNanoTS();
uTimeout = uTimeout > u64Now ? uTimeout - u64Now : 0;
}
if (uTimeout == 0)
return rtSemEventMultiPosixWaitPoll(pThis);
/*
* Get current time and calc end of deadline relative to real time.
*/
struct timespec ts = {0,0};
if (!pThis->fMonotonicClock)
{
#if defined(RT_OS_DARWIN) || defined(RT_OS_HAIKU)
struct timeval tv = {0,0};
gettimeofday(&tv, NULL);
ts.tv_sec = tv.tv_sec;
ts.tv_nsec = tv.tv_usec * 1000;
#else
clock_gettime(CLOCK_REALTIME, &ts);
#endif
struct timespec tsAdd;
tsAdd.tv_nsec = uTimeout % UINT32_C(1000000000);
tsAdd.tv_sec = uTimeout / UINT32_C(1000000000);
if ( sizeof(ts.tv_sec) < sizeof(uint64_t)
&& ( uTimeout > UINT64_C(1000000000) * UINT32_MAX
|| (uint64_t)ts.tv_sec + tsAdd.tv_sec >= UINT32_MAX) )
return rtSemEventMultiPosixWaitIndefinite(pThis, fFlags, pSrcPos);
ts.tv_sec += tsAdd.tv_sec;
ts.tv_nsec += tsAdd.tv_nsec;
if (ts.tv_nsec >= 1000000000)
{
ts.tv_nsec -= 1000000000;
ts.tv_sec++;
}
/* Note! No need to complete uAbsTimeout for RTSEMWAIT_FLAGS_RELATIVE in this path. */
}
else
{
/* ASSUMES RTTimeSystemNanoTS() == RTTimeNanoTS() == clock_gettime(CLOCK_MONOTONIC). */
if (fFlags & RTSEMWAIT_FLAGS_RELATIVE)
uAbsTimeout += RTTimeSystemNanoTS();
if ( sizeof(ts.tv_sec) < sizeof(uint64_t)
&& uAbsTimeout > UINT64_C(1000000000) * UINT32_MAX)
return rtSemEventMultiPosixWaitIndefinite(pThis, fFlags, pSrcPos);
ts.tv_nsec = uAbsTimeout % UINT32_C(1000000000);
ts.tv_sec = uAbsTimeout / UINT32_C(1000000000);
}
/*
* To business!
*/
/* take mutex */
int rc = pthread_mutex_lock(&pThis->Mutex);
AssertMsgReturn(rc == 0, ("rc=%d pThis=%p\n", rc, pThis), RTErrConvertFromErrno(rc)); NOREF(rc);
ASMAtomicIncU32(&pThis->cWaiters);
for (;;)
{
/* check state. */
uint32_t const u32State = pThis->u32State;
if (u32State != EVENTMULTI_STATE_NOT_SIGNALED)
{
ASMAtomicDecU32(&pThis->cWaiters);
rc = pthread_mutex_unlock(&pThis->Mutex);
AssertMsg(!rc, ("Failed to unlock event multi sem %p, rc=%d.\n", pThis, rc));
return u32State == EVENTMULTI_STATE_SIGNALED
? VINF_SUCCESS
: VERR_SEM_DESTROYED;
}
/* wait */
#ifdef RTSEMEVENTMULTI_STRICT
RTTHREAD hThreadSelf = RTThreadSelfAutoAdopt();
if (pThis->fEverHadSignallers)
{
rc = RTLockValidatorRecSharedCheckBlocking(&pThis->Signallers, hThreadSelf, pSrcPos, false,
uTimeout / UINT32_C(1000000), RTTHREADSTATE_EVENT_MULTI, true);
if (RT_FAILURE(rc))
{
ASMAtomicDecU32(&pThis->cWaiters);
pthread_mutex_unlock(&pThis->Mutex);
return rc;
}
}
#else
RTTHREAD hThreadSelf = RTThreadSelf();
#endif
RTThreadBlocking(hThreadSelf, RTTHREADSTATE_EVENT_MULTI, true);
rc = pthread_cond_timedwait(&pThis->Cond, &pThis->Mutex, &ts);
RTThreadUnblocked(hThreadSelf, RTTHREADSTATE_EVENT_MULTI);
if ( rc
&& ( rc != EINTR /* according to SuS this function shall not return EINTR, but linux man page says differently. */
|| (fFlags & RTSEMWAIT_FLAGS_NORESUME)) )
{
AssertMsg(rc == ETIMEDOUT, ("Failed to wait on event multi sem %p, rc=%d.\n", pThis, rc));
ASMAtomicDecU32(&pThis->cWaiters);
int rc2 = pthread_mutex_unlock(&pThis->Mutex);
AssertMsg(!rc2, ("Failed to unlock event multi sem %p, rc=%d.\n", pThis, rc2)); NOREF(rc2);
return RTErrConvertFromErrno(rc);
}
/* check the absolute deadline. */
}
}
/**
* Construct a display driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
{
PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
LogFlow(("Display::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
/*
* Validate configuration.
*/
if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
("Configuration error: Not possible to attach anything to this driver!\n"),
VERR_PDM_DRVINS_NO_ATTACH);
/*
* Init Interfaces.
*/
pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
pData->Connector.pfnResize = Display::displayResizeCallback;
pData->Connector.pfnUpdateRect = Display::displayUpdateCallback;
pData->Connector.pfnRefresh = Display::displayRefreshCallback;
pData->Connector.pfnReset = Display::displayResetCallback;
pData->Connector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
pData->Connector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
pData->Connector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
/*
* Get the IDisplayPort interface of the above driver/device.
*/
pData->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
if (!pData->pUpPort)
{
AssertMsgFailed(("Configuration error: No display port interface above!\n"));
return VERR_PDM_MISSING_INTERFACE_ABOVE;
}
/*
* Get the Display object pointer and update the mpDrv member.
*/
void *pv;
int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
if (RT_FAILURE(rc))
{
AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
return rc;
}
pData->pDisplay = (Display *)pv; /** @todo Check this cast! */
pData->pDisplay->mpDrv = pData;
/*
* If there is a Framebuffer, we have to update our display information
*/
if (pData->pDisplay->mFramebuffer)
pData->pDisplay->updateDisplayData();
/*
* Start periodic screen refreshes
*/
pData->pUpPort->pfnSetRefreshRate(pData->pUpPort, 50);
return VINF_SUCCESS;
}
/**
* Copies a file given the handles to both files and
* provide progress callbacks.
*
* @returns VBox Status code.
*
* @param FileSrc The source file. The file position is unaltered.
* @param FileDst The destination file.
* On successful returns the file position is at the end of the file.
* On failures the file position and size is undefined.
* @param pfnProgress Pointer to callback function for reporting progress.
* @param pvUser User argument to pass to pfnProgress along with the completion percentage.
*/
RTDECL(int) RTFileCopyByHandlesEx(RTFILE FileSrc, RTFILE FileDst, PFNRTPROGRESS pfnProgress, void *pvUser)
{
/*
* Validate input.
*/
AssertMsgReturn(RTFileIsValid(FileSrc), ("FileSrc=%RTfile\n", FileSrc), VERR_INVALID_PARAMETER);
AssertMsgReturn(RTFileIsValid(FileDst), ("FileDst=%RTfile\n", FileDst), VERR_INVALID_PARAMETER);
AssertMsgReturn(!pfnProgress || VALID_PTR(pfnProgress), ("pfnProgress=%p\n", pfnProgress), VERR_INVALID_PARAMETER);
/*
* Save file offset.
*/
RTFOFF offSrcSaved;
int rc = RTFileSeek(FileSrc, 0, RTFILE_SEEK_CURRENT, (uint64_t *)&offSrcSaved);
if (RT_FAILURE(rc))
return rc;
/*
* Get the file size.
*/
RTFOFF cbSrc;
rc = RTFileSeek(FileSrc, 0, RTFILE_SEEK_END, (uint64_t *)&cbSrc);
if (RT_FAILURE(rc))
return rc;
/*
* Allocate buffer.
*/
size_t cbBuf;
uint8_t *pbBufFree = NULL;
uint8_t *pbBuf;
if (cbSrc < _512K)
{
cbBuf = 8*_1K;
pbBuf = (uint8_t *)alloca(cbBuf);
}
else
{
cbBuf = _128K;
pbBuf = pbBufFree = (uint8_t *)RTMemTmpAlloc(cbBuf);
}
if (pbBuf)
{
/*
* Seek to the start of each file
* and set the size of the destination file.
*/
rc = RTFileSeek(FileSrc, 0, RTFILE_SEEK_BEGIN, NULL);
if (RT_SUCCESS(rc))
{
rc = RTFileSeek(FileDst, 0, RTFILE_SEEK_BEGIN, NULL);
if (RT_SUCCESS(rc))
rc = RTFileSetSize(FileDst, cbSrc);
if (RT_SUCCESS(rc) && pfnProgress)
rc = pfnProgress(0, pvUser);
if (RT_SUCCESS(rc))
{
/*
* Copy loop.
*/
unsigned uPercentage = 0;
RTFOFF off = 0;
RTFOFF cbPercent = cbSrc / 100;
RTFOFF offNextPercent = cbPercent;
while (off < cbSrc)
{
/* copy block */
RTFOFF cbLeft = cbSrc - off;
size_t cbBlock = cbLeft >= (RTFOFF)cbBuf ? cbBuf : (size_t)cbLeft;
rc = RTFileRead(FileSrc, pbBuf, cbBlock, NULL);
if (RT_FAILURE(rc))
break;
rc = RTFileWrite(FileDst, pbBuf, cbBlock, NULL);
if (RT_FAILURE(rc))
break;
/* advance */
off += cbBlock;
if (pfnProgress && offNextPercent < off)
{
while (offNextPercent < off)
{
uPercentage++;
offNextPercent += cbPercent;
}
rc = pfnProgress(uPercentage, pvUser);
if (RT_FAILURE(rc))
break;
}
}
#if 0
/*
* Copy OS specific data (EAs and stuff).
*/
rtFileCopyOSStuff(FileSrc, FileDst);
#endif
/* 100% */
if (pfnProgress && uPercentage < 100 && RT_SUCCESS(rc))
rc = pfnProgress(100, pvUser);
}
}
RTMemTmpFree(pbBufFree);
}
else
rc = VERR_NO_MEMORY;
/*
* Restore source position.
*/
RTFileSeek(FileSrc, offSrcSaved, RTFILE_SEEK_BEGIN, NULL);
return rc;
}
int HostDnsServiceLinux::monitorWorker()
{
AutoNotify a;
int rc = socketpair(AF_LOCAL, SOCK_DGRAM, 0, g_DnsMonitorStop);
AssertMsgReturn(rc == 0, ("socketpair: failed (%d: %s)\n", errno, strerror(errno)), E_FAIL);
FileDescriptor stopper0(g_DnsMonitorStop[0]);
FileDescriptor stopper1(g_DnsMonitorStop[1]);
pollfd polls[2];
RT_ZERO(polls);
polls[0].fd = a.fileDescriptor();
polls[0].events = POLLIN;
polls[1].fd = g_DnsMonitorStop[1];
polls[1].events = POLLIN;
monitorThreadInitializationDone();
int wd[2];
wd[0] = wd[1] = -1;
/* inotify inialization */
wd[0] = inotify_add_watch(a.fileDescriptor(),
g_ResolvConfFullPath.c_str(), IN_CLOSE_WRITE|IN_DELETE_SELF);
/**
* If /etc/resolv.conf exists we want to listen for movements: because
* # mv /etc/resolv.conf ...
* won't arm IN_DELETE_SELF on wd[0] instead it will fire IN_MOVE_FROM on wd[1].
*
* Because on some distributions /etc/resolv.conf is link, wd[0] can't detect deletion,
* it's recognizible on directory level (wd[1]) only.
*/
wd[1] = inotify_add_watch(a.fileDescriptor(), g_EtcFolder.c_str(),
wd[0] == -1 ? IN_MOVED_TO|IN_CREATE : IN_MOVED_FROM|IN_DELETE);
struct InotifyEventWithName combo;
while(true)
{
rc = poll(polls, 2, -1);
if (rc == -1)
continue;
AssertMsgReturn( ((polls[0].revents & (POLLERR|POLLNVAL)) == 0)
&& ((polls[1].revents & (POLLERR|POLLNVAL)) == 0),
("Debug Me"), VERR_INTERNAL_ERROR);
if (polls[1].revents & POLLIN)
return VINF_SUCCESS; /* time to shutdown */
if (polls[0].revents & POLLIN)
{
RT_ZERO(combo);
ssize_t r = read(polls[0].fd, static_cast<void *>(&combo), sizeof(combo));
NOREF(r);
if (combo.e.wd == wd[0])
{
if (combo.e.mask & IN_CLOSE_WRITE)
{
readResolvConf();
}
else if (combo.e.mask & IN_DELETE_SELF)
{
inotify_rm_watch(a.fileDescriptor(), wd[0]); /* removes file watcher */
inotify_add_watch(a.fileDescriptor(), g_EtcFolder.c_str(),
IN_MOVED_TO|IN_CREATE); /* alter folder watcher */
}
else if (combo.e.mask & IN_IGNORED)
{
wd[0] = -1; /* we want receive any events on this watch */
}
else
{
/**
* It shouldn't happen, in release we will just ignore in debug
* we will have to chance to look at into inotify_event
*/
AssertMsgFailed(("Debug Me!!!"));
}
}
else if (combo.e.wd == wd[1])
{
if ( combo.e.mask & IN_MOVED_FROM
|| combo.e.mask & IN_DELETE)
{
if (g_ResolvConf == combo.e.name)
{
/**
* Our file has been moved so we should change watching mode.
*/
inotify_rm_watch(a.fileDescriptor(), wd[0]);
wd[1] = inotify_add_watch(a.fileDescriptor(), g_EtcFolder.c_str(),
IN_MOVED_TO|IN_CREATE);
AssertMsg(wd[1] != -1,
("It shouldn't happen, further investigation is needed\n"));
}
}
else
{
AssertMsg(combo.e.mask & (IN_MOVED_TO|IN_CREATE),
("%RX32 event isn't expected, we are waiting for IN_MOVED|IN_CREATE\n",
combo.e.mask));
if (g_ResolvConf == combo.e.name)
{
AssertMsg(wd[0] == -1, ("We haven't removed file watcher first\n"));
/* alter folder watcher*/
wd[1] = inotify_add_watch(a.fileDescriptor(), g_EtcFolder.c_str(),
IN_MOVED_FROM|IN_DELETE);
AssertMsg(wd[1] != -1, ("It shouldn't happen.\n"));
wd[0] = inotify_add_watch(a.fileDescriptor(),
g_ResolvConfFullPath.c_str(),
IN_CLOSE_WRITE | IN_DELETE_SELF);
AssertMsg(wd[0] != -1, ("Adding watcher to file (%s) has been failed!\n",
g_ResolvConfFullPath.c_str()));
/* Notify our listeners */
readResolvConf();
}
}
}
else
{
/* It shouldn't happen */
AssertMsgFailed(("Shouldn't happen! Please debug me!"));
}
}
}
}
/**
* Process events pending on this event queue, and wait up to given timeout, if
* nothing is available.
*
* Must be called on same thread this event queue was created on.
*
* @param cMsTimeout The timeout specified as milliseconds. Use
* RT_INDEFINITE_WAIT to wait till an event is posted on the
* queue.
*
* @returns VBox status code
* @retval VINF_SUCCESS if one or more messages was processed.
* @retval VERR_TIMEOUT if cMsTimeout expired.
* @retval VERR_INVALID_CONTEXT if called on the wrong thread.
* @retval VERR_INTERRUPTED if interruptEventQueueProcessing was called.
* On Windows will also be returned when WM_QUIT is encountered.
* On Darwin this may also be returned when the native queue is
* stopped or destroyed/finished.
* @retval VINF_INTERRUPTED if the native system call was interrupted by a
* an asynchronous event delivery (signal) or just felt like returning
* out of bounds. On darwin it will also be returned if the queue is
* stopped.
*/
int EventQueue::processEventQueue(RTMSINTERVAL cMsTimeout)
{
int rc;
CHECK_THREAD_RET(VERR_INVALID_CONTEXT);
#ifdef VBOX_WITH_XPCOM
/*
* Process pending events, if none are available and we're not in a
* poll call, wait for some to appear. (We have to be a little bit
* careful after waiting for the events since Darwin will process
* them as part of the wait, while the XPCOM case will not.)
*
* Note! Unfortunately, WaitForEvent isn't interruptible with Ctrl-C,
* while select() is. So we cannot use it for indefinite waits.
*/
rc = processPendingEvents(mEventQ);
if ( rc == VERR_TIMEOUT
&& cMsTimeout > 0)
{
# ifdef RT_OS_DARWIN
/** @todo check how Ctrl-C works on Darwin. */
rc = waitForEventsOnDarwin(cMsTimeout);
if (rc == VERR_TIMEOUT)
rc = processPendingEvents(mEventQ);
# else // !RT_OS_DARWIN
rc = waitForEventsOnXPCOM(mEventQ, cMsTimeout);
if ( RT_SUCCESS(rc)
|| rc == VERR_TIMEOUT)
rc = processPendingEvents(mEventQ);
# endif // !RT_OS_DARWIN
}
if ( ( RT_SUCCESS(rc)
|| rc == VERR_INTERRUPTED
|| rc == VERR_TIMEOUT)
&& mInterrupted)
{
mInterrupted = false;
rc = VERR_INTERRUPTED;
}
#else // !VBOX_WITH_XPCOM
if (cMsTimeout == RT_INDEFINITE_WAIT)
{
BOOL fRet;
MSG Msg;
rc = VINF_SUCCESS;
while ( rc != VERR_INTERRUPTED
&& (fRet = GetMessage(&Msg, NULL /*hWnd*/, WM_USER, WM_USER))
&& fRet != -1)
rc = EventQueue::dispatchMessageOnWindows(&Msg, rc);
if (fRet == 0)
rc = VERR_INTERRUPTED;
else if (fRet == -1)
rc = RTErrConvertFromWin32(GetLastError());
}
else
{
rc = processPendingEvents();
if ( rc == VERR_TIMEOUT
&& cMsTimeout != 0)
{
DWORD rcW = MsgWaitForMultipleObjects(1,
&mhThread,
TRUE /*fWaitAll*/,
cMsTimeout,
QS_ALLINPUT);
AssertMsgReturn(rcW == WAIT_TIMEOUT || rcW == WAIT_OBJECT_0,
("%d\n", rcW),
VERR_INTERNAL_ERROR_4);
rc = processPendingEvents();
}
}
#endif // !VBOX_WITH_XPCOM
Assert(rc != VERR_TIMEOUT || cMsTimeout != RT_INDEFINITE_WAIT);
return rc;
}
/**
* Construct a block driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
static DECLCALLBACK(int) drvscsiConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
{
int rc = VINF_SUCCESS;
PDRVSCSI pThis = PDMINS_2_DATA(pDrvIns, PDRVSCSI);
LogFlowFunc(("pDrvIns=%#p pCfg=%#p\n", pDrvIns, pCfg));
PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
/*
* Initialize the instance data.
*/
pThis->pDrvIns = pDrvIns;
pThis->ISCSIConnector.pfnSCSIRequestSend = drvscsiRequestSend;
pThis->ISCSIConnector.pfnQueryLUNType = drvscsiQueryLUNType;
pDrvIns->IBase.pfnQueryInterface = drvscsiQueryInterface;
pThis->IMountNotify.pfnMountNotify = drvscsiMountNotify;
pThis->IMountNotify.pfnUnmountNotify = drvscsiUnmountNotify;
pThis->IPort.pfnQueryDeviceLocation = drvscsiQueryDeviceLocation;
pThis->IPortAsync.pfnTransferCompleteNotify = drvscsiTransferCompleteNotify;
pThis->hQueueRequests = NIL_RTREQQUEUE;
/* Query the SCSI port interface above. */
pThis->pDevScsiPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMISCSIPORT);
AssertMsgReturn(pThis->pDevScsiPort, ("Missing SCSI port interface above\n"), VERR_PDM_MISSING_INTERFACE);
/* Query the optional LED interface above. */
pThis->pLedPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMILEDPORTS);
if (pThis->pLedPort != NULL)
{
/* Get The Led. */
rc = pThis->pLedPort->pfnQueryStatusLed(pThis->pLedPort, 0, &pThis->pLed);
if (RT_FAILURE(rc))
pThis->pLed = &pThis->Led;
}
else
pThis->pLed = &pThis->Led;
/*
* Validate and read configuration.
*/
if (!CFGMR3AreValuesValid(pCfg, "NonRotationalMedium\0Readonly\0"))
return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES,
N_("SCSI configuration error: unknown option specified"));
rc = CFGMR3QueryBoolDef(pCfg, "NonRotationalMedium", &pThis->fNonRotational, false);
if (RT_FAILURE(rc))
return PDMDRV_SET_ERROR(pDrvIns, rc,
N_("SCSI configuration error: failed to read \"NonRotationalMedium\" as boolean"));
rc = CFGMR3QueryBoolDef(pCfg, "Readonly", &pThis->fReadonly, false);
if (RT_FAILURE(rc))
return PDMDRV_SET_ERROR(pDrvIns, rc,
N_("SCSI configuration error: failed to read \"Readonly\" as boolean"));
/*
* Try attach driver below and query it's block interface.
*/
rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pThis->pDrvBase);
AssertMsgReturn(RT_SUCCESS(rc), ("Attaching driver below failed rc=%Rrc\n", rc), rc);
/*
* Query the block and blockbios interfaces.
*/
pThis->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIMEDIA);
if (!pThis->pDrvMedia)
{
AssertMsgFailed(("Configuration error: No block interface!\n"));
return VERR_PDM_MISSING_INTERFACE;
}
pThis->pDrvMount = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIMOUNT);
/* Try to get the optional async block interface. */
pThis->pDrvMediaAsync = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIMEDIAASYNC);
PDMMEDIATYPE enmType = pThis->pDrvMedia->pfnGetType(pThis->pDrvMedia);
VSCSILUNTYPE enmLunType;
switch (enmType)
{
case PDMMEDIATYPE_HARD_DISK:
enmLunType = VSCSILUNTYPE_SBC;
break;
case PDMMEDIATYPE_CDROM:
case PDMMEDIATYPE_DVD:
enmLunType = VSCSILUNTYPE_MMC;
break;
default:
return PDMDrvHlpVMSetError(pDrvIns, VERR_PDM_UNSUPPORTED_BLOCK_TYPE, RT_SRC_POS,
N_("Only hard disks and CD/DVD-ROMs are currently supported as SCSI devices (enmType=%d)"),
enmType);
}
if ( ( enmType == PDMMEDIATYPE_DVD
|| enmType == PDMMEDIATYPE_CDROM)
&& !pThis->pDrvMount)
{
AssertMsgFailed(("Internal error: cdrom without a mountable interface\n"));
return VERR_INTERNAL_ERROR;
}
/* Create VSCSI device and LUN. */
pThis->VScsiIoCallbacks.pfnVScsiLunMediumGetSize = drvscsiGetSize;
pThis->VScsiIoCallbacks.pfnVScsiLunMediumGetSectorSize = drvscsiGetSectorSize;
pThis->VScsiIoCallbacks.pfnVScsiLunReqTransferEnqueue = drvscsiReqTransferEnqueue;
pThis->VScsiIoCallbacks.pfnVScsiLunGetFeatureFlags = drvscsiGetFeatureFlags;
pThis->VScsiIoCallbacks.pfnVScsiLunMediumSetLock = drvscsiSetLock;
rc = VSCSIDeviceCreate(&pThis->hVScsiDevice, drvscsiVScsiReqCompleted, pThis);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create VSCSI device rc=%Rrc\n", rc), rc);
rc = VSCSILunCreate(&pThis->hVScsiLun, enmLunType, &pThis->VScsiIoCallbacks,
pThis);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create VSCSI LUN rc=%Rrc\n", rc), rc);
rc = VSCSIDeviceLunAttach(pThis->hVScsiDevice, pThis->hVScsiLun, 0);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to attached the LUN to the SCSI device\n"), rc);
//@todo: This is a very hacky way of telling the LUN whether a medium was mounted.
// The mount/unmount interface doesn't work in a very sensible manner!
if (pThis->pDrvMount)
{
if (pThis->pDrvMedia->pfnGetSize(pThis->pDrvMedia))
{
rc = VINF_SUCCESS;
VSCSILunMountNotify(pThis->hVScsiLun);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to notify the LUN of media being mounted\n"), rc);
}
else
{
rc = VINF_SUCCESS;
VSCSILunUnmountNotify(pThis->hVScsiLun);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to notify the LUN of media being unmounted\n"), rc);
}
}
const char *pszCtrl = NULL;
uint32_t iCtrlInstance = 0;
uint32_t iCtrlLun = 0;
rc = pThis->pDevScsiPort->pfnQueryDeviceLocation(pThis->pDevScsiPort, &pszCtrl, &iCtrlInstance, &iCtrlLun);
if (RT_SUCCESS(rc))
{
const char *pszCtrlId = strcmp(pszCtrl, "Msd") == 0 ? "USB"
: strcmp(pszCtrl, "lsilogicsas") == 0 ? "SAS"
: "SCSI";
/* Register statistics counter. */
PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES,
"Amount of data read.", "/Devices/%s%u/%u/ReadBytes", pszCtrlId, iCtrlInstance, iCtrlLun);
PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES,
"Amount of data written.", "/Devices/%s%u/%u/WrittenBytes", pszCtrlId, iCtrlInstance, iCtrlLun);
PDMDrvHlpSTAMRegisterF(pDrvIns, (void *)&pThis->StatIoDepth, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
"Number of active tasks.", "/Devices/%s%u/%u/IoDepth", pszCtrlId, iCtrlInstance, iCtrlLun);
}
pThis->StatIoDepth = 0;
if (!pThis->pDrvMediaAsync)
{
/* Create request queue. */
rc = RTReqQueueCreate(&pThis->hQueueRequests);
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create request queue rc=%Rrc\n", rc), rc);
/* Create I/O thread. */
rc = PDMDrvHlpThreadCreate(pDrvIns, &pThis->pAsyncIOThread, pThis, drvscsiAsyncIOLoop,
drvscsiAsyncIOLoopWakeup, 0, RTTHREADTYPE_IO, "SCSI async IO");
AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create async I/O thread rc=%Rrc\n", rc), rc);
LogRel(("SCSI#%d: using normal I/O\n", pDrvIns->iInstance));
}
else
LogRel(("SCSI#%d: using async I/O\n", pDrvIns->iInstance));
if ( pThis->pDrvMedia->pfnDiscard
|| ( pThis->pDrvMediaAsync
&& pThis->pDrvMediaAsync->pfnStartDiscard))
LogRel(("SCSI#%d: Enabled UNMAP support\n", pDrvIns->iInstance));
return VINF_SUCCESS;
}
/**
* Internal worker for RTTimeNormalize and RTTimeLocalNormalize.
* It doesn't adjust the UCT offset but leaves that for RTTimeLocalNormalize.
*/
static PRTTIME rtTimeNormalizeInternal(PRTTIME pTime)
{
unsigned uSecond;
unsigned uMinute;
unsigned uHour;
bool fLeapYear;
/*
* Fix the YearDay and Month/MonthDay.
*/
fLeapYear = rtTimeIsLeapYear(pTime->i32Year);
if (!pTime->u16YearDay)
{
/*
* The Month+MonthDay must present, overflow adjust them and calc the year day.
*/
AssertMsgReturn( pTime->u8Month
&& pTime->u8MonthDay,
("date=%d-%d-%d\n", pTime->i32Year, pTime->u8Month, pTime->u8MonthDay),
NULL);
while (pTime->u8Month > 12)
{
pTime->u8Month -= 12;
pTime->i32Year++;
fLeapYear = rtTimeIsLeapYear(pTime->i32Year);
pTime->fFlags &= ~(RTTIME_FLAGS_COMMON_YEAR | RTTIME_FLAGS_LEAP_YEAR);
}
for (;;)
{
unsigned cDaysInMonth = fLeapYear
? g_acDaysInMonthsLeap[pTime->u8Month - 1]
: g_acDaysInMonths[pTime->u8Month - 1];
if (pTime->u8MonthDay <= cDaysInMonth)
break;
pTime->u8MonthDay -= cDaysInMonth;
if (pTime->u8Month != 12)
pTime->u8Month++;
else
{
pTime->u8Month = 1;
pTime->i32Year++;
fLeapYear = rtTimeIsLeapYear(pTime->i32Year);
pTime->fFlags &= ~(RTTIME_FLAGS_COMMON_YEAR | RTTIME_FLAGS_LEAP_YEAR);
}
}
pTime->u16YearDay = pTime->u8MonthDay - 1
+ (fLeapYear
? g_aiDayOfYearLeap[pTime->u8Month - 1]
: g_aiDayOfYear[pTime->u8Month - 1]);
}
else
{
/*
* Are both YearDay and Month/MonthDay valid?
* Check that they don't overflow and match, if not use YearDay (simpler).
*/
bool fRecalc = true;
if ( pTime->u8Month
&& pTime->u8MonthDay)
{
do
{
uint16_t u16YearDay;
/* If you change one, zero the other to make clear what you mean. */
AssertBreak(pTime->u8Month <= 12);
AssertBreak(pTime->u8MonthDay <= (fLeapYear
? g_acDaysInMonthsLeap[pTime->u8Month - 1]
: g_acDaysInMonths[pTime->u8Month - 1]));
u16YearDay = pTime->u8MonthDay - 1
+ (fLeapYear
? g_aiDayOfYearLeap[pTime->u8Month - 1]
: g_aiDayOfYear[pTime->u8Month - 1]);
AssertBreak(u16YearDay == pTime->u16YearDay);
fRecalc = false;
} while (0);
}
if (fRecalc)
{
const uint16_t *paiDayOfYear;
/* overflow adjust YearDay */
while (pTime->u16YearDay > (fLeapYear ? 366 : 365))
{
pTime->u16YearDay -= fLeapYear ? 366 : 365;
pTime->i32Year++;
fLeapYear = rtTimeIsLeapYear(pTime->i32Year);
pTime->fFlags &= ~(RTTIME_FLAGS_COMMON_YEAR | RTTIME_FLAGS_LEAP_YEAR);
}
/* calc Month and MonthDay */
paiDayOfYear = fLeapYear
? &g_aiDayOfYearLeap[0]
: &g_aiDayOfYear[0];
pTime->u8Month = 1;
while (pTime->u16YearDay > paiDayOfYear[pTime->u8Month])
pTime->u8Month++;
Assert(pTime->u8Month >= 1 && pTime->u8Month <= 12);
pTime->u8MonthDay = pTime->u16YearDay - paiDayOfYear[pTime->u8Month - 1] + 1;
}
}
/*
* Fixup time overflows.
* Use unsigned int values internally to avoid overflows.
*/
uSecond = pTime->u8Second;
uMinute = pTime->u8Minute;
uHour = pTime->u8Hour;
while (pTime->u32Nanosecond >= 1000000000)
{
pTime->u32Nanosecond -= 1000000000;
uSecond++;
}
while (uSecond >= 60)
{
uSecond -= 60;
uMinute++;
}
while (uMinute >= 60)
{
uMinute -= 60;
uHour++;
}
while (uHour >= 24)
{
uHour -= 24;
/* This is really a RTTimeIncDay kind of thing... */
if (pTime->u16YearDay + 1 != (fLeapYear ? g_aiDayOfYearLeap[pTime->u8Month] : g_aiDayOfYear[pTime->u8Month]))
{
pTime->u16YearDay++;
pTime->u8MonthDay++;
}
else if (pTime->u8Month != 12)
{
pTime->u16YearDay++;
pTime->u8Month++;
pTime->u8MonthDay = 1;
}
else
{
pTime->i32Year++;
fLeapYear = rtTimeIsLeapYear(pTime->i32Year);
pTime->fFlags &= ~(RTTIME_FLAGS_COMMON_YEAR | RTTIME_FLAGS_LEAP_YEAR);
pTime->u16YearDay = 1;
pTime->u8Month = 1;
pTime->u8MonthDay = 1;
}
}
pTime->u8Second = uSecond;
pTime->u8Minute = uMinute;
pTime->u8Hour = uHour;
/*
* Correct the leap year flag.
* Assert if it's wrong, but ignore if unset.
*/
if (fLeapYear)
{
Assert(!(pTime->fFlags & RTTIME_FLAGS_COMMON_YEAR));
pTime->fFlags &= ~RTTIME_FLAGS_COMMON_YEAR;
pTime->fFlags |= RTTIME_FLAGS_LEAP_YEAR;
}
else
{
Assert(!(pTime->fFlags & RTTIME_FLAGS_LEAP_YEAR));
pTime->fFlags &= ~RTTIME_FLAGS_LEAP_YEAR;
pTime->fFlags |= RTTIME_FLAGS_COMMON_YEAR;
}
/*
* Calc week day.
*
* 1970-01-01 was a Thursday (3), so find the number of days relative to
* that point. We use the table when possible and a slow+stupid+brute-force
* algorithm for points outside it. Feel free to optimize the latter by
* using some clever formula.
*/
if ( pTime->i32Year >= OFF_YEAR_IDX_0_YEAR
&& pTime->i32Year < OFF_YEAR_IDX_0_YEAR + (int32_t)RT_ELEMENTS(g_aoffYear))
{
int32_t offDays = g_aoffYear[pTime->i32Year - OFF_YEAR_IDX_0_YEAR]
+ pTime->u16YearDay -1;
pTime->u8WeekDay = ((offDays % 7) + 3 + 7) % 7;
}
else
{
int32_t i32Year = pTime->i32Year;
if (i32Year >= 1970)
{
uint64_t offDays = pTime->u16YearDay - 1;
while (--i32Year >= 1970)
offDays += rtTimeIsLeapYear(i32Year) ? 366 : 365;
pTime->u8WeekDay = (uint8_t)((offDays + 3) % 7);
}
else
{
int64_t offDays = (fLeapYear ? -366 - 1 : -365 - 1) + pTime->u16YearDay;
while (++i32Year < 1970)
offDays -= rtTimeIsLeapYear(i32Year) ? 366 : 365;
pTime->u8WeekDay = ((int)(offDays % 7) + 3 + 7) % 7;
}
}
return pTime;
}
/**
* Internal helper for rtZipGzip_Write, rtZipGzip_Flush and rtZipGzip_Close.
*
* @returns IPRT status code.
* @retval VINF_SUCCESS
* @retval VINF_TRY_AGAIN - the only informational status.
* @retval VERR_INTERRUPTED - call again.
*
* @param pThis The gzip I/O stream instance data.
* @param fBlocking Whether to block or not.
*/
static int rtZipGzip_WriteOutputBuffer(PRTZIPGZIPSTREAM pThis, bool fBlocking)
{
/*
* Anything to write? No, then just return immediately.
*/
size_t cbToWrite = sizeof(pThis->abBuffer) - pThis->Zlib.avail_out;
if (cbToWrite == 0)
{
Assert(pThis->Zlib.next_out == &pThis->abBuffer[0]);
return VINF_SUCCESS;
}
Assert(cbToWrite <= sizeof(pThis->abBuffer));
/*
* Loop write on VERR_INTERRUPTED.
*
* Note! Asserting a bit extra here to make sure the
* RTVfsIoStrmSgWrite works correctly.
*/
int rc;
size_t cbWrittenOut;
for (;;)
{
/* Set up the buffer. */
pThis->SgSeg.cbSeg = cbToWrite;
Assert(pThis->SgSeg.pvSeg == &pThis->abBuffer[0]);
RTSgBufReset(&pThis->SgBuf);
cbWrittenOut = ~(size_t)0;
rc = RTVfsIoStrmSgWrite(pThis->hVfsIos, -1 /*off*/, &pThis->SgBuf, fBlocking, &cbWrittenOut);
if (rc != VINF_SUCCESS)
{
AssertMsg(RT_FAILURE(rc) || rc == VINF_TRY_AGAIN, ("%Rrc\n", rc));
if (rc == VERR_INTERRUPTED)
{
Assert(cbWrittenOut == 0);
continue;
}
if (RT_FAILURE(rc) || rc == VINF_TRY_AGAIN || cbWrittenOut == 0)
{
AssertReturn(cbWrittenOut == 0, VERR_INTERNAL_ERROR_3);
AssertReturn(rc != VINF_SUCCESS, VERR_IPE_UNEXPECTED_INFO_STATUS);
return rc;
}
}
break;
}
AssertMsgReturn(cbWrittenOut > 0 && cbWrittenOut <= sizeof(pThis->abBuffer),
("%zu %Rrc\n", cbWrittenOut, rc),
VERR_INTERNAL_ERROR_4);
/*
* Adjust the Zlib output buffer members.
*/
if (cbWrittenOut == pThis->SgBuf.paSegs[0].cbSeg)
{
pThis->Zlib.avail_out = sizeof(pThis->abBuffer);
pThis->Zlib.next_out = &pThis->abBuffer[0];
}
else
{
Assert(cbWrittenOut <= pThis->SgBuf.paSegs[0].cbSeg);
size_t cbLeft = pThis->SgBuf.paSegs[0].cbSeg - cbWrittenOut;
memmove(&pThis->abBuffer[0], &pThis->abBuffer[cbWrittenOut], cbLeft);
pThis->Zlib.avail_out += (uInt)cbWrittenOut;
pThis->Zlib.next_out = &pThis->abBuffer[cbWrittenOut];
}
return VINF_SUCCESS;
}
/**
* Worker for RTSemEventMultiWaitEx and RTSemEventMultiWaitExDebug.
*
* @returns VBox status code.
* @param pThis The event semaphore.
* @param fFlags See RTSemEventMultiWaitEx.
* @param uTimeout See RTSemEventMultiWaitEx.
* @param pSrcPos The source code position of the wait.
*/
static int rtR0SemEventMultiDarwinWait(PRTSEMEVENTMULTIINTERNAL pThis, uint32_t fFlags, uint64_t uTimeout,
PCRTLOCKVALSRCPOS pSrcPos)
{
/*
* Validate input.
*/
AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
AssertMsgReturn(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC, ("pThis=%p u32Magic=%#x\n", pThis, pThis->u32Magic), VERR_INVALID_HANDLE);
AssertReturn(RTSEMWAIT_FLAGS_ARE_VALID(fFlags), VERR_INVALID_PARAMETER);
if (uTimeout != 0 || (fFlags & RTSEMWAIT_FLAGS_INDEFINITE))
RT_ASSERT_PREEMPTIBLE();
rtR0SemEventMultiDarwinRetain(pThis);
lck_spin_lock(pThis->pSpinlock);
/*
* Is the event already signalled or do we have to wait?
*/
int rc;
uint32_t const fOrgStateAndGen = ASMAtomicUoReadU32(&pThis->fStateAndGen);
if (fOrgStateAndGen & RTSEMEVENTMULTIDARWIN_STATE_MASK)
rc = VINF_SUCCESS;
else
{
/*
* We have to wait. So, we'll need to convert the timeout and figure
* out if it's indefinite or not.
*/
uint64_t uNsAbsTimeout = 1;
if (!(fFlags & RTSEMWAIT_FLAGS_INDEFINITE))
{
if (fFlags & RTSEMWAIT_FLAGS_MILLISECS)
uTimeout = uTimeout < UINT64_MAX / UINT32_C(1000000) * UINT32_C(1000000)
? uTimeout * UINT32_C(1000000)
: UINT64_MAX;
if (uTimeout == UINT64_MAX)
fFlags |= RTSEMWAIT_FLAGS_INDEFINITE;
else
{
uint64_t u64Now;
if (fFlags & RTSEMWAIT_FLAGS_RELATIVE)
{
if (uTimeout != 0)
{
u64Now = RTTimeSystemNanoTS();
uNsAbsTimeout = u64Now + uTimeout;
if (uNsAbsTimeout < u64Now) /* overflow */
fFlags |= RTSEMWAIT_FLAGS_INDEFINITE;
}
}
else
{
uNsAbsTimeout = uTimeout;
u64Now = RTTimeSystemNanoTS();
uTimeout = u64Now < uTimeout ? uTimeout - u64Now : 0;
}
}
}
if ( !(fFlags & RTSEMWAIT_FLAGS_INDEFINITE)
&& uTimeout == 0)
{
/*
* Poll call, we already checked the condition above so no need to
* wait for anything.
*/
rc = VERR_TIMEOUT;
}
else
{
for (;;)
{
/*
* Do the actual waiting.
*/
ASMAtomicWriteBool(&pThis->fHaveBlockedThreads, true);
wait_interrupt_t fInterruptible = fFlags & RTSEMWAIT_FLAGS_INTERRUPTIBLE ? THREAD_ABORTSAFE : THREAD_UNINT;
wait_result_t rcWait;
if (fFlags & RTSEMWAIT_FLAGS_INDEFINITE)
rcWait = lck_spin_sleep(pThis->pSpinlock, LCK_SLEEP_DEFAULT, (event_t)pThis, fInterruptible);
else
{
uint64_t u64AbsTime;
nanoseconds_to_absolutetime(uNsAbsTimeout, &u64AbsTime);
rcWait = lck_spin_sleep_deadline(pThis->pSpinlock, LCK_SLEEP_DEFAULT,
(event_t)pThis, fInterruptible, u64AbsTime);
}
/*
* Deal with the wait result.
*/
if (RT_LIKELY(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC))
{
switch (rcWait)
{
case THREAD_AWAKENED:
if (RT_LIKELY(ASMAtomicUoReadU32(&pThis->fStateAndGen) != fOrgStateAndGen))
rc = VINF_SUCCESS;
else if (fFlags & RTSEMWAIT_FLAGS_INTERRUPTIBLE)
rc = VERR_INTERRUPTED;
else
continue; /* Seen this happen after fork/exec/something. */
break;
case THREAD_TIMED_OUT:
Assert(!(fFlags & RTSEMWAIT_FLAGS_INDEFINITE));
rc = VERR_TIMEOUT;
break;
case THREAD_INTERRUPTED:
Assert(fInterruptible != THREAD_UNINT);
rc = VERR_INTERRUPTED;
break;
case THREAD_RESTART:
AssertMsg(pThis->u32Magic == ~RTSEMEVENTMULTI_MAGIC, ("%#x\n", pThis->u32Magic));
rc = VERR_SEM_DESTROYED;
break;
default:
AssertMsgFailed(("rcWait=%d\n", rcWait));
rc = VERR_INTERNAL_ERROR_3;
break;
}
}
else
rc = VERR_SEM_DESTROYED;
break;
}
}
}
lck_spin_unlock(pThis->pSpinlock);
rtR0SemEventMultiDarwinRelease(pThis);
return rc;
}
/**
* Worker function for acquiring the mutex.
*
* @param hMutexSem The mutex object.
* @param fFlags Mutex flags (see RTSEMWAIT_FLAGS_*)
* @param uTimeout Timeout in units specified by the flags.
*
* @return IPRT status code.
*/
static int rtSemMutexRequestEx(RTSEMMUTEX hMutexSem, uint32_t fFlags, uint64_t uTimeout)
{
PRTSEMMUTEXINTERNAL pThis = hMutexSem;
int rc;
status_t status;
int32 flags = 0;
bigtime_t timeout; /* in microseconds */
AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
AssertMsgReturn(pThis->u32Magic == RTSEMMUTEX_MAGIC, ("%p: u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_HANDLE);
if (pThis->OwnerId == find_thread(NULL))
{
pThis->OwnerId++;
return VINF_SUCCESS;
}
if (fFlags & RTSEMWAIT_FLAGS_INDEFINITE)
timeout = B_INFINITE_TIMEOUT;
else
{
if (fFlags & RTSEMWAIT_FLAGS_NANOSECS)
timeout = uTimeout / 1000;
else if (fFlags & RTSEMWAIT_FLAGS_MILLISECS)
timeout = uTimeout * 1000;
else
return VERR_INVALID_PARAMETER;
if (fFlags & RTSEMWAIT_FLAGS_RELATIVE)
flags |= B_RELATIVE_TIMEOUT;
else if (fFlags & RTSEMWAIT_FLAGS_ABSOLUTE)
flags |= B_ABSOLUTE_TIMEOUT;
else
return VERR_INVALID_PARAMETER;
}
if (fFlags & RTSEMWAIT_FLAGS_INTERRUPTIBLE)
flags |= B_CAN_INTERRUPT;
status = acquire_sem_etc(pThis->SemId, 1, flags, timeout);
switch (status)
{
case B_OK:
rc = VINF_SUCCESS;
pThis->cRecursion = 1;
pThis->OwnerId = find_thread(NULL);
break;
case B_BAD_SEM_ID:
rc = VERR_SEM_DESTROYED;
break;
case B_INTERRUPTED:
rc = VERR_INTERRUPTED;
break;
case B_WOULD_BLOCK:
/* fallthrough? */
case B_TIMED_OUT:
rc = VERR_TIMEOUT;
break;
default:
rc = VERR_INVALID_PARAMETER;
break;
}
return rc;
}
/**
* Worker for RTSemEventWaitEx and RTSemEventWaitExDebug.
*
* @returns VBox status code.
* @param pThis The event semaphore.
* @param fFlags See RTSemEventWaitEx.
* @param uTimeout See RTSemEventWaitEx.
* @param pSrcPos The source code position of the wait.
*/
static int rtR0SemEventLnxWait(PRTSEMEVENTINTERNAL pThis, uint32_t fFlags, uint64_t uTimeout,
PCRTLOCKVALSRCPOS pSrcPos)
{
int rc;
/*
* Validate the input.
*/
AssertPtrReturn(pThis, VERR_INVALID_PARAMETER);
AssertMsgReturn(pThis->u32Magic == RTSEMEVENT_MAGIC, ("%p u32Magic=%RX32\n", pThis, pThis->u32Magic), VERR_INVALID_PARAMETER);
AssertReturn(RTSEMWAIT_FLAGS_ARE_VALID(fFlags), VERR_INVALID_PARAMETER);
rtR0SemEventLnxRetain(pThis);
/*
* Try grab the event without setting up the wait.
*/
if ( 1 /** @todo check if there are someone waiting already - waitqueue_active, but then what do we do below? */
&& ASMAtomicCmpXchgU32(&pThis->fState, 0, 1))
rc = VINF_SUCCESS;
else
{
/*
* We have to wait.
*/
IPRT_LINUX_SAVE_EFL_AC();
RTR0SEMLNXWAIT Wait;
rc = rtR0SemLnxWaitInit(&Wait, fFlags, uTimeout, &pThis->Head);
if (RT_SUCCESS(rc))
{
IPRT_DEBUG_SEMS_STATE(pThis, 'E');
for (;;)
{
/* The destruction test. */
if (RT_UNLIKELY(pThis->u32Magic != RTSEMEVENT_MAGIC))
rc = VERR_SEM_DESTROYED;
else
{
rtR0SemLnxWaitPrepare(&Wait);
/* Check the exit conditions. */
if (RT_UNLIKELY(pThis->u32Magic != RTSEMEVENT_MAGIC))
rc = VERR_SEM_DESTROYED;
else if (ASMAtomicCmpXchgU32(&pThis->fState, 0, 1))
rc = VINF_SUCCESS;
else if (rtR0SemLnxWaitHasTimedOut(&Wait))
rc = VERR_TIMEOUT;
else if (rtR0SemLnxWaitWasInterrupted(&Wait))
rc = VERR_INTERRUPTED;
else
{
/* Do the wait and then recheck the conditions. */
rtR0SemLnxWaitDoIt(&Wait);
continue;
}
}
break;
}
rtR0SemLnxWaitDelete(&Wait);
IPRT_DEBUG_SEMS_STATE_RC(pThis, 'E', rc);
}
IPRT_LINUX_RESTORE_EFL_AC();
}
rtR0SemEventLnxRelease(pThis);
return rc;
}
RTDECL(int) RTDirReadEx(PRTDIR pDir, PRTDIRENTRYEX pDirEntry, size_t *pcbDirEntry, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/** @todo Symlinks: Find[First|Next]FileW will return info about
the link, so RTPATH_F_FOLLOW_LINK is not handled correctly. */
/*
* Validate input.
*/
if (!pDir || pDir->u32Magic != RTDIR_MAGIC)
{
AssertMsgFailed(("Invalid pDir=%p\n", pDir));
return VERR_INVALID_PARAMETER;
}
if (!pDirEntry)
{
AssertMsgFailed(("Invalid pDirEntry=%p\n", pDirEntry));
return VERR_INVALID_PARAMETER;
}
if ( enmAdditionalAttribs < RTFSOBJATTRADD_NOTHING
|| enmAdditionalAttribs > RTFSOBJATTRADD_LAST)
{
AssertMsgFailed(("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs));
return VERR_INVALID_PARAMETER;
}
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
size_t cbDirEntry = sizeof(*pDirEntry);
if (pcbDirEntry)
{
cbDirEntry = *pcbDirEntry;
if (cbDirEntry < RT_UOFFSETOF(RTDIRENTRYEX, szName[2]))
{
AssertMsgFailed(("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])));
return VERR_INVALID_PARAMETER;
}
}
/*
* Fetch data?
*/
if (!pDir->fDataUnread)
{
RTStrFree(pDir->pszName);
pDir->pszName = NULL;
BOOL fRc = FindNextFileW(pDir->hDir, &pDir->Data);
if (!fRc)
{
int iErr = GetLastError();
if (pDir->hDir == INVALID_HANDLE_VALUE || iErr == ERROR_NO_MORE_FILES)
return VERR_NO_MORE_FILES;
return RTErrConvertFromWin32(iErr);
}
}
/*
* Convert the filename to UTF-8.
*/
if (!pDir->pszName)
{
int rc = RTUtf16ToUtf8((PCRTUTF16)pDir->Data.cFileName, &pDir->pszName);
if (RT_FAILURE(rc))
{
pDir->pszName = NULL;
return rc;
}
pDir->cchName = strlen(pDir->pszName);
}
/*
* Check if we've got enough space to return the data.
*/
const char *pszName = pDir->pszName;
const size_t cchName = pDir->cchName;
const size_t cbRequired = RT_OFFSETOF(RTDIRENTRYEX, szName[1]) + cchName;
if (pcbDirEntry)
*pcbDirEntry = cbRequired;
if (cbRequired > cbDirEntry)
return VERR_BUFFER_OVERFLOW;
/*
* Setup the returned data.
*/
pDir->fDataUnread = false;
pDirEntry->cbName = (uint16_t)cchName;
Assert(pDirEntry->cbName == cchName);
memcpy(pDirEntry->szName, pszName, cchName + 1);
if (pDir->Data.cAlternateFileName[0])
{
/* copy and calc length */
PCRTUTF16 pwszSrc = (PCRTUTF16)pDir->Data.cAlternateFileName;
PRTUTF16 pwszDst = pDirEntry->wszShortName;
uint32_t off = 0;
while (pwszSrc[off] && off < RT_ELEMENTS(pDirEntry->wszShortName) - 1U)
{
pwszDst[off] = pwszSrc[off];
off++;
}
pDirEntry->cwcShortName = (uint16_t)off;
/* zero the rest */
do
pwszDst[off++] = '\0';
while (off < RT_ELEMENTS(pDirEntry->wszShortName));
}
else
{
memset(pDirEntry->wszShortName, 0, sizeof(pDirEntry->wszShortName));
pDirEntry->cwcShortName = 0;
}
pDirEntry->Info.cbObject = ((uint64_t)pDir->Data.nFileSizeHigh << 32)
| (uint64_t)pDir->Data.nFileSizeLow;
pDirEntry->Info.cbAllocated = pDirEntry->Info.cbObject;
Assert(sizeof(uint64_t) == sizeof(pDir->Data.ftCreationTime));
RTTimeSpecSetNtTime(&pDirEntry->Info.BirthTime, *(uint64_t *)&pDir->Data.ftCreationTime);
RTTimeSpecSetNtTime(&pDirEntry->Info.AccessTime, *(uint64_t *)&pDir->Data.ftLastAccessTime);
RTTimeSpecSetNtTime(&pDirEntry->Info.ModificationTime, *(uint64_t *)&pDir->Data.ftLastWriteTime);
pDirEntry->Info.ChangeTime = pDirEntry->Info.ModificationTime;
pDirEntry->Info.Attr.fMode = rtFsModeFromDos((pDir->Data.dwFileAttributes << RTFS_DOS_SHIFT) & RTFS_DOS_MASK_NT,
pszName, cchName);
/*
* Requested attributes (we cannot provide anything actually).
*/
switch (enmAdditionalAttribs)
{
case RTFSOBJATTRADD_EASIZE:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_EASIZE;
pDirEntry->Info.Attr.u.EASize.cb = 0;
break;
case RTFSOBJATTRADD_UNIX:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX;
pDirEntry->Info.Attr.u.Unix.uid = ~0U;
pDirEntry->Info.Attr.u.Unix.gid = ~0U;
pDirEntry->Info.Attr.u.Unix.cHardlinks = 1;
pDirEntry->Info.Attr.u.Unix.INodeIdDevice = 0; /** @todo Use the volume serial number (see GetFileInformationByHandle). */
pDirEntry->Info.Attr.u.Unix.INodeId = 0; /** @todo Use the fileid (see GetFileInformationByHandle). */
pDirEntry->Info.Attr.u.Unix.fFlags = 0;
pDirEntry->Info.Attr.u.Unix.GenerationId = 0;
pDirEntry->Info.Attr.u.Unix.Device = 0;
break;
case RTFSOBJATTRADD_NOTHING:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_NOTHING;
break;
case RTFSOBJATTRADD_UNIX_OWNER:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX_OWNER;
pDirEntry->Info.Attr.u.UnixOwner.uid = ~0U;
pDirEntry->Info.Attr.u.UnixOwner.szName[0] = '\0'; /** @todo return something sensible here. */
break;
case RTFSOBJATTRADD_UNIX_GROUP:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX_GROUP;
pDirEntry->Info.Attr.u.UnixGroup.gid = ~0U;
pDirEntry->Info.Attr.u.UnixGroup.szName[0] = '\0';
break;
default:
AssertMsgFailed(("Impossible!\n"));
return VERR_INTERNAL_ERROR;
}
return VINF_SUCCESS;
}
DECLHIDDEN(int) rtR0MemObjNativeAllocLow(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
{
AssertMsgReturn(cb <= _1G, ("%#x\n", cb), VERR_OUT_OF_RANGE); /* for safe size_t -> ULONG */
/*
* Try see if we get lucky first...
* (We could probably just assume we're lucky on NT4.)
*/
int rc = rtR0MemObjNativeAllocPage(ppMem, cb, fExecutable);
if (RT_SUCCESS(rc))
{
size_t iPage = cb >> PAGE_SHIFT;
while (iPage-- > 0)
if (rtR0MemObjNativeGetPagePhysAddr(*ppMem, iPage) >= _4G)
{
rc = VERR_NO_LOW_MEMORY;
break;
}
if (RT_SUCCESS(rc))
return rc;
/* The following ASSUMES that rtR0MemObjNativeAllocPage returns a completed object. */
RTR0MemObjFree(*ppMem, false);
*ppMem = NULL;
}
#ifndef IPRT_TARGET_NT4
/*
* Use MmAllocatePagesForMdl to specify the range of physical addresses we wish to use.
*/
PHYSICAL_ADDRESS Zero;
Zero.QuadPart = 0;
PHYSICAL_ADDRESS HighAddr;
HighAddr.QuadPart = _4G - 1;
PMDL pMdl = MmAllocatePagesForMdl(Zero, HighAddr, Zero, cb);
if (pMdl)
{
if (MmGetMdlByteCount(pMdl) >= cb)
{
__try
{
void *pv = MmMapLockedPagesSpecifyCache(pMdl, KernelMode, MmCached, NULL /* no base address */,
FALSE /* no bug check on failure */, NormalPagePriority);
if (pv)
{
PRTR0MEMOBJNT pMemNt = (PRTR0MEMOBJNT)rtR0MemObjNew(sizeof(*pMemNt), RTR0MEMOBJTYPE_LOW, pv, cb);
if (pMemNt)
{
pMemNt->fAllocatedPagesForMdl = true;
pMemNt->cMdls = 1;
pMemNt->apMdls[0] = pMdl;
*ppMem = &pMemNt->Core;
return VINF_SUCCESS;
}
MmUnmapLockedPages(pv, pMdl);
}
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
NTSTATUS rcNt = GetExceptionCode();
Log(("rtR0MemObjNativeAllocLow: Exception Code %#x\n", rcNt));
/* nothing */
}
}
MmFreePagesFromMdl(pMdl);
ExFreePool(pMdl);
}
RTDECL(int) RTDirReadEx(PRTDIR pDir, PRTDIRENTRYEX pDirEntry, size_t *pcbDirEntry, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/*
* Validate and digest input.
*/
if (!rtDirValidHandle(pDir))
return VERR_INVALID_PARAMETER;
AssertMsgReturn(VALID_PTR(pDirEntry), ("%p\n", pDirEntry), VERR_INVALID_POINTER);
AssertMsgReturn( enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
&& enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
size_t cbDirEntry = sizeof(*pDirEntry);
if (pcbDirEntry)
{
AssertMsgReturn(VALID_PTR(pcbDirEntry), ("%p\n", pcbDirEntry), VERR_INVALID_POINTER);
cbDirEntry = *pcbDirEntry;
AssertMsgReturn(cbDirEntry >= (unsigned)RT_OFFSETOF(RTDIRENTRYEX, szName[2]),
("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])),
VERR_INVALID_PARAMETER);
}
/*
* Fetch more data if necessary and/or convert the name.
*/
int rc = rtDirReadMore(pDir);
if (RT_SUCCESS(rc))
{
/*
* Check if we've got enough space to return the data.
*/
const char *pszName = pDir->pszName;
const size_t cchName = pDir->cchName;
const size_t cbRequired = RT_OFFSETOF(RTDIRENTRYEX, szName[1]) + cchName;
if (pcbDirEntry)
*pcbDirEntry = cbRequired;
if (cbRequired <= cbDirEntry)
{
/*
* Setup the returned data.
*/
pDirEntry->cwcShortName = 0;
pDirEntry->wszShortName[0] = 0;
pDirEntry->cbName = (uint16_t)cchName;
Assert(pDirEntry->cbName == cchName);
memcpy(pDirEntry->szName, pszName, cchName + 1);
/* get the info data */
size_t cch = cchName + pDir->cchPath + 1;
char *pszNamePath = (char *)alloca(cch);
if (pszNamePath)
{
memcpy(pszNamePath, pDir->pszPath, pDir->cchPath);
memcpy(pszNamePath + pDir->cchPath, pszName, cchName + 1);
rc = RTPathQueryInfoEx(pszNamePath, &pDirEntry->Info, enmAdditionalAttribs, fFlags);
}
else
rc = VERR_NO_MEMORY;
if (RT_FAILURE(rc))
{
#ifdef HAVE_DIRENT_D_TYPE
rtDirSetDummyInfo(&pDirEntry->Info, rtDirType(pDir->Data.d_type));
#else
rtDirSetDummyInfo(&pDirEntry->Info, RTDIRENTRYTYPE_UNKNOWN);
#endif
rc = VWRN_NO_DIRENT_INFO;
}
/* free cached data */
pDir->fDataUnread = false;
rtPathFreeIprt(pDir->pszName, pDir->Data.d_name);
pDir->pszName = NULL;
}
else
rc = VERR_BUFFER_OVERFLOW;
}
return rc;
}
RTR3DECL(int) RTPathSetTimesEx(const char *pszPath, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime,
PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrNullReturn(pAccessTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pModificationTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pChangeTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pBirthTime, VERR_INVALID_POINTER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Convert the path.
*/
PRTUTF16 pwszPath;
int rc = RTStrToUtf16(pszPath, &pwszPath);
if (RT_SUCCESS(rc))
{
HANDLE hFile;
if (fFlags & RTPATH_F_FOLLOW_LINK)
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL,
NULL);
else
{
/** @todo Symlink: Test RTPathSetTimesEx on Windows. (The code is disabled
* because it's not tested yet.) */
#if 0 //def FILE_FLAG_OPEN_REPARSE_POINT
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OPEN_REPARSE_POINT,
NULL);
if (hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_INVALID_PARAMETER)
#endif
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL,
NULL);
}
if (hFile != INVALID_HANDLE_VALUE)
{
/*
* Check if it's a no-op.
*/
if (!pAccessTime && !pModificationTime && !pBirthTime)
rc = VINF_SUCCESS; /* NOP */
else
{
/*
* Convert the input and call the API.
*/
FILETIME CreationTimeFT;
PFILETIME pCreationTimeFT = NULL;
if (pBirthTime)
pCreationTimeFT = RTTimeSpecGetNtFileTime(pBirthTime, &CreationTimeFT);
FILETIME LastAccessTimeFT;
PFILETIME pLastAccessTimeFT = NULL;
if (pAccessTime)
pLastAccessTimeFT = RTTimeSpecGetNtFileTime(pAccessTime, &LastAccessTimeFT);
FILETIME LastWriteTimeFT;
PFILETIME pLastWriteTimeFT = NULL;
if (pModificationTime)
pLastWriteTimeFT = RTTimeSpecGetNtFileTime(pModificationTime, &LastWriteTimeFT);
if (SetFileTime(hFile, pCreationTimeFT, pLastAccessTimeFT, pLastWriteTimeFT))
rc = VINF_SUCCESS;
else
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTPathSetTimes('%s', %p, %p, %p, %p): SetFileTime failed with lasterr %d (%Rrc)\n",
pszPath, pAccessTime, pModificationTime, pChangeTime, pBirthTime, Err, rc));
}
}
BOOL fRc = CloseHandle(hFile); Assert(fRc); NOREF(fRc);
}
else
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTPathSetTimes('%s',,,,): failed with %Rrc and lasterr=%u\n", pszPath, rc, Err));
}
RTUtf16Free(pwszPath);
}
LogFlow(("RTPathSetTimes(%p:{%s}, %p:{%RDtimespec}, %p:{%RDtimespec}, %p:{%RDtimespec}, %p:{%RDtimespec}): return %Rrc\n",
pszPath, pszPath, pAccessTime, pAccessTime, pModificationTime, pModificationTime,
pChangeTime, pChangeTime, pBirthTime, pBirthTime));
return rc;
}
RTDECL(int) RTDirRead(PRTDIR pDir, PRTDIRENTRY pDirEntry, size_t *pcbDirEntry)
{
/*
* Validate and digest input.
*/
if (!rtDirValidHandle(pDir))
return VERR_INVALID_PARAMETER;
AssertMsgReturn(VALID_PTR(pDirEntry), ("%p\n", pDirEntry), VERR_INVALID_POINTER);
size_t cbDirEntry = sizeof(*pDirEntry);
if (pcbDirEntry)
{
AssertMsgReturn(VALID_PTR(pcbDirEntry), ("%p\n", pcbDirEntry), VERR_INVALID_POINTER);
cbDirEntry = *pcbDirEntry;
AssertMsgReturn(cbDirEntry >= RT_UOFFSETOF(RTDIRENTRY, szName[2]),
("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])),
VERR_INVALID_PARAMETER);
}
/*
* Fetch more data if necessary and/or convert the name.
*/
int rc = rtDirReadMore(pDir);
if (RT_SUCCESS(rc))
{
/*
* Check if we've got enough space to return the data.
*/
const char *pszName = pDir->pszName;
const size_t cchName = pDir->cchName;
const size_t cbRequired = RT_OFFSETOF(RTDIRENTRY, szName[1]) + cchName;
if (pcbDirEntry)
*pcbDirEntry = cbRequired;
if (cbRequired <= cbDirEntry)
{
/*
* Setup the returned data.
*/
pDirEntry->INodeId = pDir->Data.d_ino; /* may need #ifdefing later */
#ifdef HAVE_DIRENT_D_TYPE
pDirEntry->enmType = rtDirType(pDir->Data.d_type);
#else
pDirEntry->enmType = RTDIRENTRYTYPE_UNKNOWN;
#endif
pDirEntry->cbName = (uint16_t)cchName;
Assert(pDirEntry->cbName == cchName);
memcpy(pDirEntry->szName, pszName, cchName + 1);
/* free cached data */
pDir->fDataUnread = false;
rtPathFreeIprt(pDir->pszName, pDir->Data.d_name);
pDir->pszName = NULL;
}
else
rc = VERR_BUFFER_OVERFLOW;
}
LogFlow(("RTDirRead(%p:{%s}, %p:{%s}, %p:{%u}): returns %Rrc\n",
pDir, pDir->pszPath, pDirEntry, RT_SUCCESS(rc) ? pDirEntry->szName : "<failed>",
pcbDirEntry, pcbDirEntry ? *pcbDirEntry : 0, rc));
return rc;
}
RTR3DECL(int) RTPathQueryInfoEx(const char *pszPath, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrReturn(pObjInfo, VERR_INVALID_POINTER);
AssertMsgReturn( enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
&& enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Query file info.
*/
WIN32_FILE_ATTRIBUTE_DATA Data;
PRTUTF16 pwszPath;
int rc = RTStrToUtf16(pszPath, &pwszPath);
if (RT_FAILURE(rc))
return rc;
if (!GetFileAttributesExW(pwszPath, GetFileExInfoStandard, &Data))
{
/* Fallback to FindFileFirst in case of sharing violation. */
if (GetLastError() == ERROR_SHARING_VIOLATION)
{
WIN32_FIND_DATAW FindData;
HANDLE hDir = FindFirstFileW(pwszPath, &FindData);
if (hDir == INVALID_HANDLE_VALUE)
{
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszPath);
return rc;
}
FindClose(hDir);
Data.dwFileAttributes = FindData.dwFileAttributes;
Data.ftCreationTime = FindData.ftCreationTime;
Data.ftLastAccessTime = FindData.ftLastAccessTime;
Data.ftLastWriteTime = FindData.ftLastWriteTime;
Data.nFileSizeHigh = FindData.nFileSizeHigh;
Data.nFileSizeLow = FindData.nFileSizeLow;
}
else
{
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszPath);
return rc;
}
}
/*
* Getting the information for the link target is a bit annoying and
* subject to the same access violation mess as above.. :/
*/
/** @todo we're too lazy wrt to error paths here... */
if ( (fFlags & RTPATH_F_FOLLOW_LINK)
&& (Data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
{
HANDLE hFinal = CreateFileW(pwszPath,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL);
if (hFinal != INVALID_HANDLE_VALUE)
{
BY_HANDLE_FILE_INFORMATION FileData;
if (GetFileInformationByHandle(hFinal, &FileData))
{
Data.dwFileAttributes = FileData.dwFileAttributes;
Data.ftCreationTime = FileData.ftCreationTime;
Data.ftLastAccessTime = FileData.ftLastAccessTime;
Data.ftLastWriteTime = FileData.ftLastWriteTime;
Data.nFileSizeHigh = FileData.nFileSizeHigh;
Data.nFileSizeLow = FileData.nFileSizeLow;
}
CloseHandle(hFinal);
}
else if (GetLastError() != ERROR_SHARING_VIOLATION)
{
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszPath);
return rc;
}
}
RTUtf16Free(pwszPath);
/*
* Setup the returned data.
*/
pObjInfo->cbObject = ((uint64_t)Data.nFileSizeHigh << 32)
| (uint64_t)Data.nFileSizeLow;
pObjInfo->cbAllocated = pObjInfo->cbObject;
Assert(sizeof(uint64_t) == sizeof(Data.ftCreationTime));
RTTimeSpecSetNtTime(&pObjInfo->BirthTime, *(uint64_t *)&Data.ftCreationTime);
RTTimeSpecSetNtTime(&pObjInfo->AccessTime, *(uint64_t *)&Data.ftLastAccessTime);
RTTimeSpecSetNtTime(&pObjInfo->ModificationTime, *(uint64_t *)&Data.ftLastWriteTime);
pObjInfo->ChangeTime = pObjInfo->ModificationTime;
pObjInfo->Attr.fMode = rtFsModeFromDos((Data.dwFileAttributes << RTFS_DOS_SHIFT) & RTFS_DOS_MASK_NT,
pszPath, strlen(pszPath));
/*
* Requested attributes (we cannot provide anything actually).
*/
switch (enmAdditionalAttribs)
{
case RTFSOBJATTRADD_NOTHING:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_NOTHING;
break;
case RTFSOBJATTRADD_UNIX:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX;
pObjInfo->Attr.u.Unix.uid = ~0U;
pObjInfo->Attr.u.Unix.gid = ~0U;
pObjInfo->Attr.u.Unix.cHardlinks = 1;
pObjInfo->Attr.u.Unix.INodeIdDevice = 0; /** @todo use volume serial number */
pObjInfo->Attr.u.Unix.INodeId = 0; /** @todo use fileid (see GetFileInformationByHandle). */
pObjInfo->Attr.u.Unix.fFlags = 0;
pObjInfo->Attr.u.Unix.GenerationId = 0;
pObjInfo->Attr.u.Unix.Device = 0;
break;
case RTFSOBJATTRADD_UNIX_OWNER:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX_OWNER;
pObjInfo->Attr.u.UnixOwner.uid = ~0U;
pObjInfo->Attr.u.UnixOwner.szName[0] = '\0'; /** @todo return something sensible here. */
break;
case RTFSOBJATTRADD_UNIX_GROUP:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX_GROUP;
pObjInfo->Attr.u.UnixGroup.gid = ~0U;
pObjInfo->Attr.u.UnixGroup.szName[0] = '\0';
break;
case RTFSOBJATTRADD_EASIZE:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_EASIZE;
pObjInfo->Attr.u.EASize.cb = 0;
break;
default:
AssertMsgFailed(("Impossible!\n"));
return VERR_INTERNAL_ERROR;
}
return VINF_SUCCESS;
}