Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 281 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..01e1d155
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp
@@ -0,0 +1,281 @@
+/* $Id: tstRTR0SemMutex.cpp $ */
+/** @file
+ * IPRT R0 Testcase - Mutex Semaphores.
+ */
+
+/*
+ * Copyright (C) 2009-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   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 (!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;
+}
+