/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Finds the first missing.}
*/
static DECLCALLBACK(int) rtManifestEntryFindMissing2(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTEQUALS pEquals = (PRTMANIFESTEQUALS)pvUser;
PRTMANIFESTENTRY pEntry = RT_FROM_MEMBER(pStr, RTMANIFESTENTRY, StrCore);
/*
* Already visited?
*/
if (pEntry->fVisited)
return 0;
/*
* Ignore this entry?
*/
char const * const *ppsz = pEquals->papszIgnoreEntries;
if (ppsz)
{
while (*ppsz)
{
if (!strcmp(*ppsz, pEntry->StrCore.pszString))
return 0;
ppsz++;
}
}
/*
* Gotcha!
*/
RTStrPrintf(pEquals->pszError, pEquals->cbError, "'%s' was not found in the 1st manifest", pEntry->StrCore.pszString);
return VERR_NOT_EQUAL;
}
/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Destroys RTMANIFESTENTRY.}
*/
static DECLCALLBACK(int) rtManifestDestroyEntry(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTENTRY pEntry = RT_FROM_MEMBER(pStr, RTMANIFESTENTRY, StrCore);
RTStrSpaceDestroy(&pEntry->Attributes, rtManifestDestroyAttribute, pvUser);
RTMemFree(pEntry);
return 0;
}
/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Prepare equals operation.}
*/
static DECLCALLBACK(int) rtManifestAttributeClearVisited(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTATTR pAttr = RT_FROM_MEMBER(pStr, RTMANIFESTATTR, StrCore);
pAttr->fVisited = false;
NOREF(pvUser);
return 0;
}
/**
* Query an address space by process ID.
*
* @returns Retained address space handle if found, NIL_RTDBGAS if not.
*
* @param pVM Pointer to the VM.
* @param ProcId The process ID.
*/
VMMR3DECL(RTDBGAS) DBGFR3AsQueryByPid(PVM pVM, RTPROCESS ProcId)
{
/*
* Validate the input.
*/
VM_ASSERT_VALID_EXT_RETURN(pVM, NIL_RTDBGAS);
AssertReturn(ProcId != NIL_RTPROCESS, NIL_RTDBGAS);
/*
* Look it up in the PID tree and retain the result.
*/
RTDBGAS hDbgAs = NIL_RTDBGAS;
DBGF_AS_DB_LOCK_READ(pVM);
PAVLU32NODECORE pNode = RTAvlU32Get(&pVM->dbgf.s.AsPidTree, ProcId);
if (pNode)
{
PDBGFASDBNODE pDbNode = RT_FROM_MEMBER(pNode, DBGFASDBNODE, PidCore);
hDbgAs = (RTDBGAS)pDbNode->HandleCore.Key;
uint32_t cRefs = RTDbgAsRetain(hDbgAs);
if (RT_UNLIKELY(cRefs == UINT32_MAX))
hDbgAs = NIL_RTDBGAS;
}
DBGF_AS_DB_UNLOCK_READ(pVM);
return hDbgAs;
}
/**
* Query an address space by name.
*
* @returns Retained address space handle if found, NIL_RTDBGAS if not.
*
* @param pVM Pointer to the VM.
* @param pszName The name.
*/
VMMR3DECL(RTDBGAS) DBGFR3AsQueryByName(PVM pVM, const char *pszName)
{
/*
* Validate the input.
*/
VM_ASSERT_VALID_EXT_RETURN(pVM, NIL_RTDBGAS);
AssertPtrReturn(pszName, NIL_RTDBGAS);
AssertReturn(*pszName, NIL_RTDBGAS);
/*
* Look it up in the string space and retain the result.
*/
RTDBGAS hDbgAs = NIL_RTDBGAS;
DBGF_AS_DB_LOCK_READ(pVM);
PRTSTRSPACECORE pNode = RTStrSpaceGet(&pVM->dbgf.s.AsNameSpace, pszName);
if (pNode)
{
PDBGFASDBNODE pDbNode = RT_FROM_MEMBER(pNode, DBGFASDBNODE, NameCore);
hDbgAs = (RTDBGAS)pDbNode->HandleCore.Key;
uint32_t cRefs = RTDbgAsRetain(hDbgAs);
if (RT_UNLIKELY(cRefs == UINT32_MAX))
hDbgAs = NIL_RTDBGAS;
}
DBGF_AS_DB_UNLOCK_READ(pVM);
return hDbgAs;
}
/**
* OS specific free function.
*/
DECLHIDDEN(void) rtR0MemFree(PRTMEMHDR pHdr)
{
pHdr->u32Magic += 1;
if (pHdr->fFlags & RTMEMHDR_FLAG_KMALLOC)
kfree(pHdr);
#ifdef RTMEMALLOC_EXEC_HEAP
else if (pHdr->fFlags & RTMEMHDR_FLAG_EXEC_HEAP)
{
RTSpinlockAcquire(g_HeapExecSpinlock);
RTHeapSimpleFree(g_HeapExec, pHdr);
RTSpinlockRelease(g_HeapExecSpinlock);
}
#endif
#ifdef RTMEMALLOC_EXEC_VM_AREA
else if (pHdr->fFlags & RTMEMHDR_FLAG_EXEC_VM_AREA)
{
PRTMEMLNXHDREX pHdrEx = RT_FROM_MEMBER(pHdr, RTMEMLNXHDREX, Hdr);
size_t iPage = pHdrEx->pVmArea->nr_pages;
struct page **papPages = pHdrEx->pVmArea->pages;
void *pvMapping = pHdrEx->pVmArea->addr;
vunmap(pvMapping);
while (iPage-- > 0)
__free_page(papPages[iPage]);
kfree(papPages);
}
#endif
else
vfree(pHdr);
}
/**
* @interface_method_impl(PDMINVRAM,pfnStoreNvramValue)
*/
DECLCALLBACK(int) drvNvram_pfnStoreNvramValue(PPDMINVRAM pInterface,
int idxVariable,
RTUUID *pVendorUuid,
const char *pcszVariableName,
size_t cbVariableName,
uint8_t *pu8Value,
size_t cbValue)
{
int rc = VINF_SUCCESS;
char szExtraDataKey[256];
char szExtraDataValue[1024];
LogFlowFunc(("ENTER: pVendorUuid:%RTuuid, pcszVariableName:%s, cbVariableName:%d, pu8Value:%.*Rhxs, cbValue:%d\n",
pVendorUuid,
pcszVariableName,
cbVariableName,
cbValue,
pu8Value,
cbValue));
PNVRAM pThis = RT_FROM_MEMBER(pInterface, NVRAM, INvram);
if (!pThis->fPermanentSave)
{
LogFlowFuncLeaveRC(rc);
return rc;
}
bool fFlushVariable = (!pu8Value);
RT_ZERO(szExtraDataKey);
RT_ZERO(szExtraDataValue);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VariableName", idxVariable);
if (!fFlushVariable)
RTStrPrintf(szExtraDataValue, 1024, "%s", pcszVariableName);
pThis->pNvram->getParent()->machine()->SetExtraData(Bstr(szExtraDataKey).raw(), Bstr(szExtraDataValue).raw());
RT_ZERO(szExtraDataKey);
RT_ZERO(szExtraDataValue);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VendorGuid", idxVariable);
if (!fFlushVariable)
RTUuidToStr(pVendorUuid, szExtraDataValue, 1024);
pThis->pNvram->getParent()->machine()->SetExtraData(Bstr(szExtraDataKey).raw(), Bstr(szExtraDataValue).raw());
RT_ZERO(szExtraDataKey);
RT_ZERO(szExtraDataValue);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VariableValueLength", idxVariable);
if (!fFlushVariable)
RTStrPrintf(szExtraDataValue, 1024, "%d", cbValue);
pThis->pNvram->getParent()->machine()->SetExtraData(Bstr(szExtraDataKey).raw(), Bstr(szExtraDataValue).raw());
RT_ZERO(szExtraDataKey);
RT_ZERO(szExtraDataValue);
RTStrPrintf(szExtraDataKey, 256, "VBoxInternal/Devices/efi/0/LUN#0/Config/NVRAM/%d/VariableValue", idxVariable);
size_t cbActualSize;
if (pu8Value)
rc = RTBase64Encode(pu8Value, cbValue, szExtraDataValue, 1024, &cbActualSize);
AssertRCReturn(rc, rc);
pThis->pNvram->getParent()->machine()->SetExtraData(Bstr(szExtraDataKey).raw(), Bstr(szExtraDataValue).raw());
LogFlowFuncLeaveRC(rc);
return rc;
}
/**
* @interface_method_impl{PDMIBASE,pfnReadControl}
*/
static DECLCALLBACK(int) drvHostParallelReadControl(PPDMIHOSTPARALLELCONNECTOR pInterface, uint8_t *pfReg)
{
PDRVHOSTPARALLEL pThis = RT_FROM_MEMBER(pInterface, DRVHOSTPARALLEL, CTX_SUFF(IHostParallelConnector));
int rc = VINF_SUCCESS;
int rcLnx = 0;
uint8_t fReg = 0;
# ifndef VBOX_WITH_WIN_PARPORT_SUP
rcLnx = ioctl(RTFileToNative(pThis->hFileDevice), PPRCONTROL, &fReg);
if (RT_UNLIKELY(rcLnx < 0))
rc = RTErrConvertFromErrno(errno);
else
{
LogFlowFunc(("fReg=%#x\n", fReg));
*pfReg = fReg;
}
# else /* VBOX_WITH_WIN_PARPORT_SUP */
*pfReg = 0; /* Initialize the buffer*/
if (pThis->fParportAvail)
{
LogFlowFunc(("calling R0 to read control from parallel port\n"));
rc = PDMDrvHlpCallR0(pThis-> CTX_SUFF(pDrvIns), DRVHOSTPARALLELR0OP_READCONTROL, 0);
AssertRC(rc);
*pfReg = pThis->u8ReadInControl;
}
# endif /* VBOX_WITH_WIN_PARPORT_SUP */
return rc;
}
/**
* @interface_method_impl{PDMIBASE, pfnQueryInterface}
*/
static DECLCALLBACK(void *) gimdevR3QueryInterface(PPDMIBASE pInterface, const char *pszIID)
{
PGIMDEV pThis = RT_FROM_MEMBER(pInterface, GIMDEV, IDbgBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->IDbgBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMISTREAM, &pThis->IDbgStreamPort);
return NULL;
}
/**
* @interface_method_impl{PDMINETWORKDOWN,pfnReceiveGso}
*/
static DECLCALLBACK(int) drvR3NetShaperDown_ReceiveGso(PPDMINETWORKDOWN pInterface, const void *pvBuf, size_t cb, PCPDMNETWORKGSO pGso)
{
PDRVNETSHAPER pThis = RT_FROM_MEMBER(pInterface, DRVNETSHAPER, INetworkDown);
if (pThis->pIAboveNet->pfnReceiveGso)
return pThis->pIAboveNet->pfnReceiveGso(pThis->pIAboveNet, pvBuf, cb, pGso);
return VERR_NOT_SUPPORTED;
}
/**
* @interface_method_impl{PDMINETWORKUP,pfnAllocBuf}
*/
PDMBOTHCBDECL(int) drvNetShaperUp_AllocBuf(PPDMINETWORKUP pInterface, size_t cbMin,
PCPDMNETWORKGSO pGso, PPPDMSCATTERGATHER ppSgBuf)
{
PDRVNETSHAPER pThis = RT_FROM_MEMBER(pInterface, DRVNETSHAPER, CTX_SUFF(INetworkUp));
if (RT_UNLIKELY(!pThis->CTX_SUFF(pIBelowNet)))
return VERR_NET_DOWN;
//LogFlow(("drvNetShaperUp_AllocBuf: cb=%d\n", cbMin));
STAM_REL_COUNTER_ADD(&pThis->StatXmitBytesRequested, cbMin);
STAM_REL_COUNTER_INC(&pThis->StatXmitPktsRequested);
#ifdef IN_RING3
if (!PDMR3NsAllocateBandwidth(&pThis->Filter, cbMin))
{
STAM_REL_COUNTER_ADD(&pThis->StatXmitBytesDenied, cbMin);
STAM_REL_COUNTER_INC(&pThis->StatXmitPktsDenied);
return VERR_TRY_AGAIN;
}
#endif
#ifdef IN_RING0
if (!PDMR0NsAllocateBandwidth(&pThis->Filter, cbMin))
{
STAM_REL_COUNTER_ADD(&pThis->StatXmitBytesDenied, cbMin);
STAM_REL_COUNTER_INC(&pThis->StatXmitPktsDenied);
return VERR_TRY_AGAIN;
}
#endif
STAM_REL_COUNTER_ADD(&pThis->StatXmitBytesGranted, cbMin);
STAM_REL_COUNTER_INC(&pThis->StatXmitPktsGranted);
//LogFlow(("drvNetShaperUp_AllocBuf: got cb=%d\n", cbMin));
return pThis->CTX_SUFF(pIBelowNet)->pfnAllocBuf(pThis->CTX_SUFF(pIBelowNet), cbMin, pGso, ppSgBuf);
}
/**
* @interface_method_impl{PDMIBASE,pfnQueryInterface}
*/
static DECLCALLBACK(void *) ps2mQueryInterface(PPDMIBASE pInterface, const char *pszIID)
{
PPS2M pThis = RT_FROM_MEMBER(pInterface, PS2M, Mouse.IBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThis->Mouse.IBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUSEPORT, &pThis->Mouse.IPort);
return NULL;
}
/**
* @interface_method_impl{PDMINETWORKUP,pfnNotifyLinkChanged}
*/
static DECLCALLBACK(void) drvR3NetShaperUp_NotifyLinkChanged(PPDMINETWORKUP pInterface, PDMNETWORKLINKSTATE enmLinkState)
{
LogFlow(("drvNetShaperUp_NotifyLinkChanged: enmLinkState=%d\n", enmLinkState));
PDRVNETSHAPER pThis = RT_FROM_MEMBER(pInterface, DRVNETSHAPER, CTX_SUFF(INetworkUp));
if (pThis->pIBelowNetR3)
pThis->pIBelowNetR3->pfnNotifyLinkChanged(pThis->pIBelowNetR3, enmLinkState);
}
/**
* @interface_method_impl{PDMINETWORKUP,pfnSetPromiscuousMode}
*/
PDMBOTHCBDECL(void) drvNetShaperUp_SetPromiscuousMode(PPDMINETWORKUP pInterface, bool fPromiscuous)
{
LogFlow(("drvNetShaperUp_SetPromiscuousMode: fPromiscuous=%d\n", fPromiscuous));
PDRVNETSHAPER pThis = RT_FROM_MEMBER(pInterface, DRVNETSHAPER, CTX_SUFF(INetworkUp));
if (pThis->CTX_SUFF(pIBelowNet))
pThis->CTX_SUFF(pIBelowNet)->pfnSetPromiscuousMode(pThis->CTX_SUFF(pIBelowNet), fPromiscuous);
}
/**
* @interface_method_impl{PDMINETWORKUP,pfnFreeBuf}
*/
PDMBOTHCBDECL(int) drvNetShaperUp_FreeBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf)
{
PDRVNETSHAPER pThis = RT_FROM_MEMBER(pInterface, DRVNETSHAPER, CTX_SUFF(INetworkUp));
if (RT_UNLIKELY(!pThis->CTX_SUFF(pIBelowNet)))
return VERR_NET_DOWN;
return pThis->CTX_SUFF(pIBelowNet)->pfnFreeBuf(pThis->CTX_SUFF(pIBelowNet), pSgBuf);
}
/**
* @interface_method_impl{PDMINETWORKUP,pfnBeginXmit}
*/
PDMBOTHCBDECL(int) drvDedicatedNicUp_BeginXmit(PPDMINETWORKUP pInterface, bool fOnWorkerThread)
{
PDRVDEDICATEDNIC pThis = RT_FROM_MEMBER(pInterface, DRVDEDICATEDNIC, CTX_SUFF(INetworkUp));
int rc = PDMCritSectTryEnter(&pThis->XmitLock);
if (RT_SUCCESS(rc))
ASMAtomicUoWriteBool(&pThis->fXmitOnXmitThread, fOnWorkerThread);
return rc;
}
/**
* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
*/
static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
{
PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
va_list va;
va_start(va, pszFormat);
pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, va);
va_end(va);
}
/**
* @interface_method_impl{PDMIKEYBOARDCONNECTOR,pfnSetActive}
*/
DECLCALLBACK(void) Keyboard::i_keyboardSetActive(PPDMIKEYBOARDCONNECTOR pInterface, bool fActive)
{
PDRVMAINKEYBOARD pDrv = RT_FROM_MEMBER(pInterface, DRVMAINKEYBOARD, IConnector);
if (fActive)
pDrv->u32DevCaps |= KEYBOARD_DEVCAP_ENABLED;
else
pDrv->u32DevCaps &= ~KEYBOARD_DEVCAP_ENABLED;
}
/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Prepare equals operation.}
*/
static DECLCALLBACK(int) rtManifestEntryClearVisited(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTENTRY pEntry = RT_FROM_MEMBER(pStr, RTMANIFESTENTRY, StrCore);
RTStrSpaceEnumerate(&pEntry->Attributes, rtManifestAttributeClearVisited, NULL);
pEntry->fVisited = false;
NOREF(pvUser);
return 0;
}
DECLCALLBACK(int) vmmdevSetCredentialsJudgementResult(PPDMIVMMDEVCONNECTOR pInterface, uint32_t u32Flags)
{
PDRVMAINVMMDEV pDrv = RT_FROM_MEMBER(pInterface, DRVMAINVMMDEV, Connector);
if (pDrv->pVMMDev)
return pDrv->pVMMDev->SetCredentialsJudgementResult (u32Flags);
return VERR_GENERAL_FAILURE;
}
/** Destroy a symbol node. */
static DECLCALLBACK(int) rtDbgModContainer_DestroyTreeNode(PAVLRUINTPTRNODECORE pNode, void *pvUser)
{
PRTDBGMODCTNSYMBOL pSym = RT_FROM_MEMBER(pNode, RTDBGMODCTNSYMBOL, AddrCore);
RTStrCacheRelease(g_hDbgModStrCache, pSym->NameCore.pszString);
pSym->NameCore.pszString = NULL;
RTMemFree(pSym);
NOREF(pvUser);
return 0;
}
RTDECL(uint32_t) RTCrCertCtxRetain(PCRTCRCERTCTX pCertCtx)
{
AssertPtrReturn(pCertCtx, UINT32_MAX);
PRTCRCERTCTXINT pThis = RT_FROM_MEMBER(pCertCtx, RTCRCERTCTXINT, Public);
AssertReturn(pThis->u32Magic == RTCRCERTCTXINT_MAGIC, UINT32_MAX);
uint32_t cRet = ASMAtomicIncU32(&pThis->cRefs);
Assert(cRet < 64);
return cRet;
}
/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Writes RTMANIFESTENTRY.}
*/
static DECLCALLBACK(int) rtManifestWriteStdEntry(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTENTRY pEntry = RT_FROM_MEMBER(pStr, RTMANIFESTENTRY, StrCore);
RTMANIFESTWRITESTDATTR Args;
Args.hVfsIos = (RTVFSIOSTREAM)pvUser;
Args.pszEntry = pStr->pszString;
return RTStrSpaceEnumerate(&pEntry->Attributes, rtManifestWriteStdAttr, &Args);
}
/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Destroys RTMANIFESTATTR.}
*/
static DECLCALLBACK(int) rtManifestDestroyAttribute(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTATTR pAttr = RT_FROM_MEMBER(pStr, RTMANIFESTATTR, StrCore);
RTStrFree(pAttr->pszValue);
pAttr->pszValue = NULL;
RTMemFree(pAttr);
NOREF(pvUser);
return 0;
}
/**
* Hook function for the thread-resumed event.
*
* @param pPreemptNotifier Pointer to the preempt_notifier struct.
* @param iCpu The CPU this thread is scheduled on.
*
* @remarks Called without holding the rq (runqueue) lock and with preemption
* enabled!
*/
static void rtThreadCtxHooksLnxSchedIn(struct preempt_notifier *pPreemptNotifier, int iCpu)
{
PRTTHREADCTXINT pThis = RT_FROM_MEMBER(pPreemptNotifier, RTTHREADCTXINT, hPreemptNotifier);
AssertPtr(pThis);
AssertPtr(pThis->pfnThreadCtxHook);
Assert(pThis->fRegistered);
pThis->pfnThreadCtxHook(RTTHREADCTXEVENT_RESUMED, pThis->pvUser);
}
/**
* @interface_method_impl{PDMINETWORKUP,pfnEndXmit}
*/
PDMBOTHCBDECL(void) drvNetShaperUp_EndXmit(PPDMINETWORKUP pInterface)
{
//LogFlow(("drvNetShaperUp_EndXmit:\n"));
PDRVNETSHAPER pThis = RT_FROM_MEMBER(pInterface, DRVNETSHAPER, CTX_SUFF(INetworkUp));
if (RT_LIKELY(pThis->CTX_SUFF(pIBelowNet)))
pThis->CTX_SUFF(pIBelowNet)->pfnEndXmit(pThis->CTX_SUFF(pIBelowNet));
else
PDMCritSectLeave(&pThis->XmitLock);
}
DECLCALLBACK(int) vmmdevQueryVisibleRegion(PPDMIVMMDEVCONNECTOR pInterface, uint32_t *pcRect, PRTRECT pRect)
{
PDRVMAINVMMDEV pDrv = RT_FROM_MEMBER(pInterface, DRVMAINVMMDEV, Connector);
Console *pConsole = pDrv->pVMMDev->getParent();
/* Forward to Display, which calls corresponding framebuffers. */
pConsole->i_getDisplay()->i_handleQueryVisibleRegion(pcRect, pRect);
return VINF_SUCCESS;
}
/**
* @callback_method_impl{FNRTSTRSPACECALLBACK, Writes RTMANIFESTATTR.}
*/
static DECLCALLBACK(int) rtManifestWriteStdAttr(PRTSTRSPACECORE pStr, void *pvUser)
{
PRTMANIFESTATTR pAttr = RT_FROM_MEMBER(pStr, RTMANIFESTATTR, StrCore);
RTMANIFESTWRITESTDATTR *pArgs = (RTMANIFESTWRITESTDATTR *)pvUser;
char szLine[RTPATH_MAX + RTSHA512_DIGEST_LEN + 32];
size_t cchLine = RTStrPrintf(szLine, sizeof(szLine), "%s (%s) = %s\n", pAttr->szName, pArgs->pszEntry, pAttr->pszValue);
if (cchLine >= sizeof(szLine) - 1)
return VERR_BUFFER_OVERFLOW;
return RTVfsIoStrmWrite(pArgs->hVfsIos, szLine, cchLine, true /*fBlocking*/, NULL);
}
/**
* Hook function for the thread-preempting event.
*
* @param pPreemptNotifier Pointer to the preempt_notifier struct.
* @param pNext Pointer to the task that is preempting the
* current thread.
*
* @remarks Called with the rq (runqueue) lock held and with preemption and
* interrupts disabled!
*/
static void rtThreadCtxHooksLnxSchedOut(struct preempt_notifier *pPreemptNotifier, struct task_struct *pNext)
{
PRTTHREADCTXINT pThis = RT_FROM_MEMBER(pPreemptNotifier, RTTHREADCTXINT, hPreemptNotifier);
AssertPtr(pThis);
AssertPtr(pThis->pfnThreadCtxHook);
Assert(pThis->fRegistered);
Assert(!RTThreadPreemptIsEnabled(NIL_RTTHREAD));
pThis->pfnThreadCtxHook(RTTHREADCTXEVENT_PREEMPTING, pThis->pvUser);
}
/**
* RTAvlrPVDoWithAll callback.
*
* @returns 0 to continue the enum, non-zero to quit it.
* @param pNode The node.
* @param pvUser Pointer to a block pointer variable. For returning
* the address of the block to be freed.
*/
static DECLCALLBACK(int) rtHeapPageFindUnusedBlockCallback(PAVLRPVNODECORE pNode, void *pvUser)
{
PRTHEAPPAGEBLOCK pBlock = RT_FROM_MEMBER(pNode, RTHEAPPAGEBLOCK, Core);
if (pBlock->cFreePages == RTMEMPAGEPOSIX_BLOCK_PAGE_COUNT)
{
*(PRTHEAPPAGEBLOCK *)pvUser = pBlock;
return 1;
}
return 0;
}
