/** * @callback_method_impl{The randu32() function implementation.} */ static DECLCALLBACK(int) dbgcFuncRandU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs, PDBGCVAR pResult) { AssertReturn(cArgs == 0, VERR_DBGC_PARSE_BUG); uint32_t u32 = RTRandU32(); DBGCVAR_INIT_NUMBER(pResult, u32); NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM); NOREF(paArgs); return VINF_SUCCESS; }
/* * Feel free to inspect with gdb / objdump / whatever / g++ -fverbose-asm in * a release build and compare with tstMemAutoPtrDisas1PureC. */ extern "C" int tstMemAutoPtrDisas1(void **ppv) { RTCMemAutoPtr<TSTMEMAUTOPTRSTRUCT> Handle(1); if (!Handle) { Handle->a = RTRandU32(); if (Handle->a < UINT32_MAX / 2) { *ppv = Handle.release(); return VINF_SUCCESS; } } return VERR_TRY_AGAIN; }
/* * For comparing to tstMemAutoPtrDisas1. */ extern "C" int tstMemAutoPtrDisas1PureC(void **ppv) { TSTMEMAUTOPTRSTRUCT *pHandle = (TSTMEMAUTOPTRSTRUCT *)RTMemRealloc(NULL, sizeof(*pHandle)); if (pHandle) { pHandle->a = RTRandU32(); if (pHandle->a < UINT32_MAX / 2) { *ppv = pHandle; return VINF_SUCCESS; } RTMemFree(pHandle); } return VERR_TRY_AGAIN; }
void pdmacFileEpTaskCompleted(PPDMACTASKFILE pTask, void *pvUser, int rc) { PPDMASYNCCOMPLETIONTASKFILE pTaskFile = (PPDMASYNCCOMPLETIONTASKFILE)pvUser; LogFlowFunc(("pTask=%#p pvUser=%#p rc=%Rrc\n", pTask, pvUser, rc)); if (pTask->enmTransferType == PDMACTASKFILETRANSFER_FLUSH) pdmR3AsyncCompletionCompleteTask(&pTaskFile->Core, rc, true); else { Assert((uint32_t)pTask->DataSeg.cbSeg == pTask->DataSeg.cbSeg && (int32_t)pTask->DataSeg.cbSeg >= 0); uint32_t uOld = ASMAtomicSubS32(&pTaskFile->cbTransferLeft, (int32_t)pTask->DataSeg.cbSeg); /* The first error will be returned. */ if (RT_FAILURE(rc)) ASMAtomicCmpXchgS32(&pTaskFile->rc, rc, VINF_SUCCESS); #ifdef VBOX_WITH_DEBUGGER else { PPDMASYNCCOMPLETIONENDPOINTFILE pEpFile = (PPDMASYNCCOMPLETIONENDPOINTFILE)pTaskFile->Core.pEndpoint; /* Overwrite with injected error code. */ if (pTask->enmTransferType == PDMACTASKFILETRANSFER_READ) rc = ASMAtomicXchgS32(&pEpFile->rcReqRead, VINF_SUCCESS); else rc = ASMAtomicXchgS32(&pEpFile->rcReqWrite, VINF_SUCCESS); if (RT_FAILURE(rc)) ASMAtomicCmpXchgS32(&pTaskFile->rc, rc, VINF_SUCCESS); } #endif if (!(uOld - pTask->DataSeg.cbSeg) && !ASMAtomicXchgBool(&pTaskFile->fCompleted, true)) { #ifdef PDM_ASYNC_COMPLETION_FILE_WITH_DELAY PPDMASYNCCOMPLETIONENDPOINTFILE pEpFile = (PPDMASYNCCOMPLETIONENDPOINTFILE)pTaskFile->Core.pEndpoint; PPDMASYNCCOMPLETIONEPCLASSFILE pEpClassFile = (PPDMASYNCCOMPLETIONEPCLASSFILE)pEpFile->Core.pEpClass; /* Check if we should delay completion of the request. */ if ( ASMAtomicReadU32(&pEpFile->msDelay) > 0 && ASMAtomicReadU32(&pEpFile->cReqsDelay) > 0) { uint64_t tsDelay = pEpFile->msDelay; if (pEpFile->msJitter) tsDelay = (RTRandU32() % 100) > 50 ? pEpFile->msDelay + (RTRandU32() % pEpFile->msJitter) : pEpFile->msDelay - (RTRandU32() % pEpFile->msJitter); ASMAtomicDecU32(&pEpFile->cReqsDelay); /* Arm the delay. */ pTaskFile->tsDelayEnd = RTTimeProgramMilliTS() + tsDelay; /* Append to the list. */ PPDMASYNCCOMPLETIONTASKFILE pHead = NULL; do { pHead = ASMAtomicReadPtrT(&pEpFile->pDelayedHead, PPDMASYNCCOMPLETIONTASKFILE); pTaskFile->pDelayedNext = pHead; } while (!ASMAtomicCmpXchgPtr(&pEpFile->pDelayedHead, pTaskFile, pHead)); if (tsDelay < pEpClassFile->cMilliesNext) { ASMAtomicWriteU64(&pEpClassFile->cMilliesNext, tsDelay); TMTimerSetMillies(pEpClassFile->pTimer, tsDelay); } LogRel(("AIOMgr: Delaying request %#p for %u ms\n", pTaskFile, tsDelay)); } else #endif pdmR3AsyncCompletionCompleteTask(&pTaskFile->Core, pTaskFile->rc, true); } } }
/** Internal worker for VBoxNetUDPUnicast and VBoxNetUDPBroadcast. */ static int vboxnetudpSend(PSUPDRVSESSION pSession, INTNETIFHANDLE hIf, PINTNETBUF pBuf, RTNETADDRIPV4 SrcIPv4Addr, PCRTMAC pSrcMacAddr, unsigned uSrcPort, RTNETADDRIPV4 DstIPv4Addr, PCRTMAC pDstMacAddr, unsigned uDstPort, void const *pvData, size_t cbData) { INTNETSEG aSegs[4]; /* the Ethernet header */ RTNETETHERHDR EtherHdr; EtherHdr.DstMac = *pDstMacAddr; EtherHdr.SrcMac = *pSrcMacAddr; EtherHdr.EtherType = RT_H2BE_U16_C(RTNET_ETHERTYPE_IPV4); aSegs[0].pv = &EtherHdr; aSegs[0].cb = sizeof(EtherHdr); aSegs[0].Phys = NIL_RTHCPHYS; /* the IP header */ RTNETIPV4 IpHdr; unsigned cbIdHdr = RT_UOFFSETOF(RTNETIPV4, ip_options); IpHdr.ip_v = 4; IpHdr.ip_hl = cbIdHdr >> 2; IpHdr.ip_tos = 0; IpHdr.ip_len = RT_H2BE_U16((uint16_t)(cbData + sizeof(RTNETUDP) + cbIdHdr)); IpHdr.ip_id = (uint16_t)RTRandU32(); IpHdr.ip_off = 0; IpHdr.ip_ttl = 255; IpHdr.ip_p = RTNETIPV4_PROT_UDP; IpHdr.ip_sum = 0; IpHdr.ip_src = SrcIPv4Addr; IpHdr.ip_dst = DstIPv4Addr; IpHdr.ip_sum = RTNetIPv4HdrChecksum(&IpHdr); aSegs[1].pv = &IpHdr; aSegs[1].cb = cbIdHdr; aSegs[1].Phys = NIL_RTHCPHYS; /* the UDP bit */ RTNETUDP UdpHdr; UdpHdr.uh_sport = RT_H2BE_U16(uSrcPort); UdpHdr.uh_dport = RT_H2BE_U16(uDstPort); UdpHdr.uh_ulen = RT_H2BE_U16((uint16_t)(cbData + sizeof(RTNETUDP))); #if 0 UdpHdr.uh_sum = 0; /* pretend checksumming is disabled */ #else UdpHdr.uh_sum = RTNetIPv4UDPChecksum(&IpHdr, &UdpHdr, pvData); #endif aSegs[2].pv = &UdpHdr; aSegs[2].cb = sizeof(UdpHdr); aSegs[2].Phys = NIL_RTHCPHYS; /* the payload */ aSegs[3].pv = (void *)pvData; aSegs[3].cb = (uint32_t)cbData; aSegs[3].Phys = NIL_RTHCPHYS; /* send it */ return VBoxNetIntIfSend(pSession, hIf, pBuf, RT_ELEMENTS(aSegs), &aSegs[0], true /* fFlush */); }
static int tstParentChild(RTTEST hTest) { RTTestSubF(hTest, "2 Children -> Parent"); uint32_t cBufSize = _1K; PDMAUDIOSTREAMCFG cfg_p = { 44100, /* Hz */ 2 /* Channels */, AUD_FMT_S16 /* Format */, PDMAUDIOENDIANESS_LITTLE /* Endianess */ }; PDMPCMPROPS props; int rc = drvAudioStreamCfgToProps(&cfg_p, &props); AssertRC(rc); PDMAUDIOMIXBUF parent; RTTESTI_CHECK_RC_OK(audioMixBufInit(&parent, "Parent", &props, cBufSize)); PDMAUDIOSTREAMCFG cfg_c1 = /* Upmixing to parent */ { 22100, /* Hz */ 2 /* Channels */, AUD_FMT_S16 /* Format */, PDMAUDIOENDIANESS_LITTLE /* Endianess */ }; rc = drvAudioStreamCfgToProps(&cfg_c1, &props); AssertRC(rc); PDMAUDIOMIXBUF child1; RTTESTI_CHECK_RC_OK(audioMixBufInit(&child1, "Child1", &props, cBufSize)); RTTESTI_CHECK_RC_OK(audioMixBufLinkTo(&child1, &parent)); PDMAUDIOSTREAMCFG cfg_c2 = /* Downmixing to parent */ { 48000, /* Hz */ 2 /* Channels */, AUD_FMT_S16 /* Format */, PDMAUDIOENDIANESS_LITTLE /* Endianess */ }; rc = drvAudioStreamCfgToProps(&cfg_c2, &props); AssertRC(rc); PDMAUDIOMIXBUF child2; RTTESTI_CHECK_RC_OK(audioMixBufInit(&child2, "Child2", &props, cBufSize)); RTTESTI_CHECK_RC_OK(audioMixBufLinkTo(&child2, &parent)); /* * Writing + mixing from child/children -> parent, sequential. */ size_t cbBuf = _1K; char pvBuf[_1K]; int16_t samples[32] = { 0xAA, 0xBB }; uint32_t free, read , written, proc, mixed, temp; uint32_t cChild1Free = cBufSize; uint32_t cChild1Mixed = 0; uint32_t cSamplesParent1 = 16; uint32_t cSamplesChild1 = 16; uint32_t cChild2Free = cBufSize; uint32_t cChild2Mixed = 0; uint32_t cSamplesParent2 = 16; uint32_t cSamplesChild2 = 16; uint32_t t = RTRandU32() % 64; for (uint32_t i = 0; i < t; i++) { RTTestPrintf(hTest, RTTESTLVL_DEBUG, "i=%RU32\n", i); RTTESTI_CHECK_RC_OK_BREAK(audioMixBufWriteAt(&child1, 0, &samples, sizeof(samples), &written)); RTTESTI_CHECK_MSG_BREAK(written == cSamplesChild1, ("Child1: Expected %RU32 written samples, got %RU32\n", cSamplesChild1, written)); RTTESTI_CHECK_RC_OK_BREAK(audioMixBufMixToParent(&child1, written, &mixed)); temp = audioMixBufProcessed(&parent) - audioMixBufMixed(&child2); RTTESTI_CHECK_MSG_BREAK(audioMixBufMixed(&child1) == temp, ("Child1: Expected %RU32 mixed samples, got %RU32\n", audioMixBufMixed(&child1), temp)); RTTESTI_CHECK_RC_OK_BREAK(audioMixBufWriteAt(&child2, 0, &samples, sizeof(samples), &written)); RTTESTI_CHECK_MSG_BREAK(written == cSamplesChild2, ("Child2: Expected %RU32 written samples, got %RU32\n", cSamplesChild2, written)); RTTESTI_CHECK_RC_OK_BREAK(audioMixBufMixToParent(&child2, written, &mixed)); temp = audioMixBufProcessed(&parent) - audioMixBufMixed(&child1); RTTESTI_CHECK_MSG_BREAK(audioMixBufMixed(&child2) == temp, ("Child2: Expected %RU32 mixed samples, got %RU32\n", audioMixBufMixed(&child2), temp)); } RTTESTI_CHECK(audioMixBufProcessed(&parent) == audioMixBufMixed(&child1) + audioMixBufMixed(&child2)); for (;;) { RTTESTI_CHECK_RC_OK_BREAK(audioMixBufReadCirc(&parent, pvBuf, cbBuf, &read)); if (!read) break; audioMixBufFinish(&parent, read); } RTTESTI_CHECK(audioMixBufProcessed(&parent) == 0); RTTESTI_CHECK(audioMixBufMixed(&child1) == 0); RTTESTI_CHECK(audioMixBufMixed(&child2) == 0); return RTTestSubErrorCount(hTest) ? VERR_GENERAL_FAILURE : VINF_SUCCESS; }