static void tstRTPipe2(void)
{
RTTestISub("Negative");
RTPIPE hPipeR = (RTPIPE)1;
RTPIPE hPipeW = (RTPIPE)1;
RTTESTI_CHECK_RC(RTPipeCreate(&hPipeR, &hPipeW, ~0), VERR_INVALID_PARAMETER);
RTTESTI_CHECK_RC(RTPipeCreate(NULL, &hPipeW, 0), VERR_INVALID_POINTER);
RTTESTI_CHECK_RC(RTPipeCreate(&hPipeR, NULL, 0), VERR_INVALID_POINTER);
RTTESTI_CHECK(hPipeR == (RTPIPE)1);
RTTESTI_CHECK(hPipeW == (RTPIPE)1);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
char abBuf[_4K];
size_t cbRead = ~(size_t)3;
RTTESTI_CHECK_RC(RTPipeRead(hPipeW, abBuf, 0, &cbRead), VERR_ACCESS_DENIED);
RTTESTI_CHECK_RC(RTPipeRead(hPipeW, abBuf, 1, &cbRead), VERR_ACCESS_DENIED);
RTTESTI_CHECK(cbRead == ~(size_t)3);
RTTESTI_CHECK_RC(RTPipeReadBlocking(hPipeW, abBuf, 0, NULL), VERR_ACCESS_DENIED);
RTTESTI_CHECK_RC(RTPipeReadBlocking(hPipeW, abBuf, 1, NULL), VERR_ACCESS_DENIED);
size_t cbWrite = ~(size_t)5;
RTTESTI_CHECK_RC(RTPipeWrite(hPipeR, "asdf", 0, &cbWrite), VERR_ACCESS_DENIED);
RTTESTI_CHECK_RC(RTPipeWrite(hPipeR, "asdf", 4, &cbWrite), VERR_ACCESS_DENIED);
RTTESTI_CHECK(cbWrite == ~(size_t)5);
RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeR, "asdf", 0, NULL), VERR_ACCESS_DENIED);
RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeR, "asdf", 4, NULL), VERR_ACCESS_DENIED);
RTTESTI_CHECK_RC(RTPipeFlush(hPipeR), VERR_ACCESS_DENIED);
RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
}
static DECLCALLBACK(int) usbProxyFreeBSDWakeup(PUSBPROXYDEV pProxyDev)
{
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
size_t cbIgnored;
LogFlowFunc(("pProxyDev=%p\n", pProxyDev));
return RTPipeWrite(pDevFBSD->hPipeWakeupW, "", 1, &cbIgnored);
}
static DECLCALLBACK(int) usbProxySolarisWakeup(PUSBPROXYDEV pProxyDev)
{
PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL);
size_t cbIgnored;
LogFlowFunc(("pProxyDev=%p\n", pProxyDev));
return RTPipeWrite(pDevSol->hPipeWakeupW, "", 1, &cbIgnored);
}
static void tstRTPipe3(void)
{
RTTestISub("Full write buffer");
RTPIPE hPipeR = (RTPIPE)999999;
RTPIPE hPipeW = (RTPIPE)999999;
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
static char s_abBuf[_256K];
int rc = VINF_SUCCESS;
size_t cbTotal = 0;
memset(s_abBuf, 0xff, sizeof(s_abBuf));
for (;;)
{
RTTESTI_CHECK(cbTotal < _1G);
if (cbTotal > _1G)
break;
size_t cbWritten = _1G;
rc = RTPipeWrite(hPipeW, s_abBuf, sizeof(s_abBuf), &cbWritten);
RTTESTI_CHECK_MSG(rc == VINF_SUCCESS || rc == VINF_TRY_AGAIN, ("rc=%Rrc\n", rc));
if (rc != VINF_SUCCESS)
break;
cbTotal += cbWritten;
}
if (rc == VINF_TRY_AGAIN)
{
RTTestIPrintf(RTTESTLVL_ALWAYS, "cbTotal=%zu (%#zx)\n", cbTotal, cbTotal);
RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 0), VERR_TIMEOUT);
RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 1), VERR_TIMEOUT);
size_t cbRead;
RTTESTI_CHECK_RC(RTPipeRead(hPipeR, s_abBuf, RT_MIN(sizeof(s_abBuf), cbTotal) / 2, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 1), VINF_SUCCESS);
size_t cbWritten = _1G;
rc = RTPipeWrite(hPipeW, s_abBuf, sizeof(s_abBuf), &cbWritten);
RTTESTI_CHECK(rc == VINF_SUCCESS);
}
RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
}
static void tstRTPipe1(void)
{
RTTestISub("Basics");
RTPIPE hPipeR = NIL_RTPIPE;
RTPIPE hPipeW = NIL_RTPIPE;
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RETV(hPipeR != NIL_RTPIPE);
RTTESTI_CHECK_RETV(hPipeW != NIL_RTPIPE);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(NIL_RTPIPE), VINF_SUCCESS);
hPipeR = NIL_RTPIPE;
hPipeW = NIL_RTPIPE;
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ | RTPIPE_C_INHERIT_WRITE), VINF_SUCCESS);
int rc = RTPipeFlush(hPipeW);
RTTESTI_CHECK_MSG(rc == VERR_NOT_SUPPORTED || rc == VINF_SUCCESS, ("%Rrc\n", rc));
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 0), VERR_TIMEOUT);
RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 1), VERR_TIMEOUT);
RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeW, 1), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_WRITE), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ), VINF_SUCCESS);
size_t cbRead = ~(size_t)0;
char abBuf[_64K + _4K];
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VINF_TRY_AGAIN);
RTTESTI_CHECK_RETV(cbRead == 0);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 1, &cbRead), VINF_TRY_AGAIN);
RTTESTI_CHECK_RETV(cbRead == 0);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 0);
size_t cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, abBuf, 0, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbWritten == 0);
/* We can write a number of bytes without blocking (see PIPE_BUF on
POSIX systems). */
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "42", 2, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK_MSG_RETV(cbWritten == 2, ("cbWritten=%zu\n", cbWritten));
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "!", 1, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbWritten == 1);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 3, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 3);
RTTESTI_CHECK_RETV(!memcmp(abBuf, "42!", 3));
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "BigQ", 4, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbWritten == 4);
RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 1), VINF_SUCCESS);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_MSG(cbRead == cbWritten, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 4);
RTTESTI_CHECK_RETV(!memcmp(abBuf, "BigQ", 4));
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "H2G2", 4, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbWritten == 4);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_MSG(cbRead == cbWritten, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[0], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 1);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_MSG(cbRead == cbWritten - 1, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[1], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 1);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_MSG(cbRead == cbWritten - 2, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[2], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 1);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_MSG(cbRead == cbWritten - 3, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[3], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_RETV(cbRead == 1);
RTTESTI_CHECK_RETV(!memcmp(abBuf, "H2G2", 4));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK_MSG(cbRead == cbWritten - 4, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTestISub("VERR_BROKEN_PIPE");
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC(RTPipeWrite(hPipeW, "", 0, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK(cbWritten == 0);
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC(RTPipeWrite(hPipeW, "4", 1, &cbWritten), VERR_BROKEN_PIPE);
RTTESTI_CHECK(cbWritten == ~(size_t)2);
RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 0);
cbRead = ~(size_t)3;
RTTESTI_CHECK_RC(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VERR_BROKEN_PIPE);
RTTESTI_CHECK(cbRead == ~(size_t)3);
RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
cbWritten = ~(size_t)2;
RTTESTI_CHECK_RC(RTPipeWrite(hPipeW, "42", 2, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK(cbWritten == 2);
RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 0);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC(RTPipeRead(hPipeR, &abBuf[0], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 1);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC(RTPipeRead(hPipeR, &abBuf[1], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 1);
RTTESTI_CHECK(!memcmp(abBuf, "42", 2));
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 0);
cbRead = ~(size_t)3;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VERR_BROKEN_PIPE);
RTTESTI_CHECK(cbRead == ~(size_t)3);
RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTestISub("Blocking");
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "42!", 3, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK(cbWritten == 3);
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, abBuf, 3, NULL), VINF_SUCCESS);
RTTESTI_CHECK(!memcmp(abBuf, "42!", 3));
RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 0, NULL), VINF_SUCCESS);
cbRead = ~(size_t)42;
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 0, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 0);
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 1, NULL), VERR_BROKEN_PIPE);
cbRead = ~(size_t)42;
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 1, &cbRead), VERR_BROKEN_PIPE);
RTTESTI_CHECK(cbRead == 0);
RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "42!", 3, NULL), VINF_SUCCESS);
RTTESTI_CHECK(cbWritten == 3);
cbRead = ~(size_t)0;
RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[0], 1, &cbRead), VINF_SUCCESS);
RTTESTI_CHECK(cbRead == 1);
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[1], 1, NULL), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[2], 1, NULL), VINF_SUCCESS);
RTTESTI_CHECK(!memcmp(abBuf, "42!", 3));
RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "", 0, NULL), VINF_SUCCESS);
cbWritten = ~(size_t)9;
RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "", 0, &cbWritten), VINF_SUCCESS);
RTTESTI_CHECK(cbWritten == 0);
RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "42", 2, NULL), VERR_BROKEN_PIPE);
cbWritten = ~(size_t)9;
RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "42", 2, &cbWritten), VERR_BROKEN_PIPE);
RTTESTI_CHECK(cbWritten == 0);
RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
}
/**
* Unblock the monitor thread so it can respond to a state change.
*
* @returns a VBox status code.
* @param pDrvIns The driver instance.
* @param pThread The send thread.
*/
static DECLCALLBACK(int) drvHostParallelWakeupMonitorThread(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
{
PDRVHOSTPARALLEL pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTPARALLEL);
size_t cbIgnored;
return RTPipeWrite(pThis->hWakeupPipeW, "", 1, &cbIgnored);
}
/**
* Kicks any possibly polling thread to get informed about changes.
*
* @returns VBOx status code.
* @param pThis The TCP driver instance.
* @param bReason The reason code to handle.
*/
static int drvTcpPollerKick(PDRVTCP pThis, uint8_t bReason)
{
size_t cbWritten = 0;
return RTPipeWrite(pThis->hPipeWakeW, &bReason, 1, &cbWritten);
}