summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp')
-rw-r--r--src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp291
1 files changed, 291 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp b/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp
new file mode 100644
index 00000000..319fcc56
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp
@@ -0,0 +1,291 @@
+/* $Id: tstRTR0SemMutex.cpp $ */
+/** @file
+ * IPRT R0 Testcase - Mutex Semaphores.
+ */
+
+/*
+ * Copyright (C) 2009-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <iprt/semaphore.h>
+
+#include <iprt/errcore.h>
+#include <VBox/sup.h>
+#include <iprt/string.h>
+#include <iprt/time.h>
+#include <iprt/thread.h>
+#include "tstRTR0SemMutex.h"
+
+
+/*********************************************************************************************************************************
+* Global Variables *
+*********************************************************************************************************************************/
+/** The mutex used in test #2. */
+static RTSEMMUTEX g_hMtxTest2 = NIL_RTSEMMUTEX;
+
+
+
+/**
+ * Service request callback function.
+ *
+ * @returns VBox status code.
+ * @param pSession The caller's session.
+ * @param u64Arg 64-bit integer argument.
+ * @param pReqHdr The request header. Input / Output. Optional.
+ */
+DECLEXPORT(int) TSTRTR0SemMutexSrvReqHandler(PSUPDRVSESSION pSession, uint32_t uOperation,
+ uint64_t u64Arg, PSUPR0SERVICEREQHDR pReqHdr)
+{
+ NOREF(pSession);
+ if (!RT_VALID_PTR(pReqHdr))
+ return VERR_INVALID_PARAMETER;
+ char *pszErr = (char *)(pReqHdr + 1);
+ size_t cchErr = pReqHdr->cbReq - sizeof(*pReqHdr);
+ if (cchErr < 32 || cchErr >= 0x10000)
+ return VERR_INVALID_PARAMETER;
+ *pszErr = '\0';
+
+#define SET_ERROR(szFmt) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt); } while (0)
+#define SET_ERROR1(szFmt, a1) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt, a1); } while (0)
+#define SET_ERROR2(szFmt, a1, a2) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt, a1, a2); } while (0)
+#define SET_ERROR3(szFmt, a1, a2, a3) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt, a1, a2, a3); } while (0)
+#define CHECK_RC_BREAK(rc, rcExpect, szOp) \
+ if ((rc) != (rcExpect)) \
+ { \
+ RTStrPrintf(pszErr, cchErr, "!%s -> %Rrc, expected %Rrc. line %u", szOp, rc, rcExpect, __LINE__); \
+ SUPR0Printf("%s -> %d, expected %d. line %u", szOp, rc, rcExpect, __LINE__); \
+ break; \
+ }
+
+ /*
+ * Set up test timeout (when applicable).
+ */
+ if (u64Arg > 120)
+ {
+ SET_ERROR1("Timeout is too large (max 120): %lld", u64Arg);
+ return VINF_SUCCESS;
+ }
+ uint64_t const StartTS = RTTimeSystemMilliTS();
+ uint32_t const cMsMax = (uint32_t)u64Arg * 1000;
+
+ /*
+ * The big switch.
+ */
+ RTSEMMUTEX hMtx;
+ int rc;
+ switch (uOperation)
+ {
+ case TSTRTR0SEMMUTEX_SANITY_OK:
+ break;
+
+ case TSTRTR0SEMMUTEX_SANITY_FAILURE:
+ SET_ERROR1("42failure42%1024s", "");
+ break;
+
+ case TSTRTR0SEMMUTEX_BASIC:
+ rc = RTSemMutexCreate(&hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexCreate");
+ do
+ {
+ /*
+ * The interruptible version first.
+ */
+ /* simple request and release, polling. */
+ rc = RTSemMutexRequestNoResume(hMtx, 0);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ /* simple request and release, wait for ever. */
+ rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(indef_wait)");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ /* simple request and release, wait a tiny while. */
+ rc = RTSemMutexRequestNoResume(hMtx, 133);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(133)");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ /* nested request and release. */
+ rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#1");
+ rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#2");
+ rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#3");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3");
+ rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#3b");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3b");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#2");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#1");
+
+ /*
+ * The uninterruptible variant.
+ */
+ /* simple request and release, polling. */
+ rc = RTSemMutexRequest(hMtx, 0);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ /* simple request and release, wait for ever. */
+ rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest(indef_wait)");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ /* simple request and release, wait a tiny while. */
+ rc = RTSemMutexRequest(hMtx, 133);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest(133)");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ /* nested request and release. */
+ rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#1");
+ rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#2");
+ rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#3");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3");
+ rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#3b");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3b");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#2");
+ rc = RTSemMutexRelease(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#1");
+
+ } while (false);
+
+ rc = RTSemMutexDestroy(hMtx);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexDestroy");
+ break;
+
+ case TSTRTR0SEMMUTEX_TEST2_SETUP:
+ case TSTRTR0SEMMUTEX_TEST3_SETUP:
+ case TSTRTR0SEMMUTEX_TEST4_SETUP:
+ rc = RTSemMutexCreate(&g_hMtxTest2);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexCreate");
+ break;
+
+ case TSTRTR0SEMMUTEX_TEST2_DO:
+ for (unsigned i = 0; i < 200; i++)
+ {
+ if (i & 1)
+ {
+ rc = RTSemMutexRequestNoResume(g_hMtxTest2, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,indef_wait)");
+ }
+ else
+ {
+ rc = RTSemMutexRequestNoResume(g_hMtxTest2, 30000);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,30000)");
+ }
+ RTThreadSleep(1);
+ rc = RTSemMutexRelease(g_hMtxTest2);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ if ((i % 16) == 15 && RTTimeSystemMilliTS() - StartTS >= cMsMax)
+ break;
+ }
+ break;
+
+
+ case TSTRTR0SEMMUTEX_TEST3_DO:
+ for (unsigned i = 0; i < 1000000; i++)
+ {
+ if (i & 1)
+ {
+ rc = RTSemMutexRequestNoResume(g_hMtxTest2, RT_INDEFINITE_WAIT);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,indef_wait)");
+ }
+ else
+ {
+ rc = RTSemMutexRequestNoResume(g_hMtxTest2, 30000);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,30000)");
+ }
+ rc = RTSemMutexRelease(g_hMtxTest2);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+
+ if ((i % 256) == 255 && RTTimeSystemMilliTS() - StartTS >= cMsMax)
+ break;
+ }
+ break;
+
+ case TSTRTR0SEMMUTEX_TEST4_DO:
+ for (unsigned i = 0; i < 1024; i++)
+ {
+ rc = RTSemMutexRequestNoResume(g_hMtxTest2, (i % 32));
+ if (rc != VERR_TIMEOUT)
+ {
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume");
+ RTThreadSleep(1000);
+
+ rc = RTSemMutexRelease(g_hMtxTest2);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease");
+ }
+
+ if (RTTimeSystemMilliTS() - StartTS >= cMsMax)
+ break;
+ }
+ break;
+
+ case TSTRTR0SEMMUTEX_TEST2_CLEANUP:
+ case TSTRTR0SEMMUTEX_TEST3_CLEANUP:
+ case TSTRTR0SEMMUTEX_TEST4_CLEANUP:
+ rc = RTSemMutexDestroy(g_hMtxTest2);
+ CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexCreate");
+ g_hMtxTest2 = NIL_RTSEMMUTEX;
+ break;
+
+
+ default:
+ SET_ERROR1("Unknown test #%d", uOperation);
+ break;
+ }
+
+ /* The error indicator is the '!' in the message buffer. */
+ return VINF_SUCCESS;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 23:29:37 +0000