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);
}
int USBProxyBackendUsbIp::interruptWait(void)
{
AssertReturn(!isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
int rc = RTPipeWriteBlocking(m->hWakeupPipeW, "", 1, NULL);
if (RT_SUCCESS(rc))
RTPipeFlush(m->hWakeupPipeW);
LogFlowFunc(("returning %Rrc\n", rc));
return rc;
}
int USBProxyBackendLinux::interruptWait(void)
{
AssertReturn(!isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
#ifdef VBOX_USB_WITH_SYSFS
LogFlowFunc(("mUsingUsbfsDevices=%d\n", mUsingUsbfsDevices));
if (!mUsingUsbfsDevices)
{
mpWaiter->Interrupt();
LogFlowFunc(("Returning VINF_SUCCESS\n"));
return VINF_SUCCESS;
}
#endif /* VBOX_USB_WITH_SYSFS */
int rc = RTPipeWriteBlocking(mhWakeupPipeW, WAKE_UP_STRING, WAKE_UP_STRING_LEN, NULL);
if (RT_SUCCESS(rc))
RTPipeFlush(mhWakeupPipeW);
LogFlowFunc(("returning %Rrc\n", rc));
return rc;
}
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);
}
