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); }