Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

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

1 files changed, 123 insertions, 0 deletions

diff --git a/src/VBox/ValidationKit/snippets/time-1.c b/src/VBox/ValidationKit/snippets/time-1.c
new file mode 100644
index 00000000..e70961dd
--- /dev/null
+++ b/src/VBox/ValidationKit/snippets/time-1.c
@@ -0,0 +1,123 @@
+/* $Id: time-1.c $ */
+/** @file
+ * Query the time and check that it always goes forward, POSIX only.
+ */
+
+/*
+ * Copyright (C) 2011-2023 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 <stdio.h>
+#include <time.h>
+#include <sys/time.h>
+
+
+
+int main()
+{
+    unsigned            cErrors = 0;
+#ifdef USE_CLOCK_MONOTONIC
+    struct timespec     aTs[2];
+    struct timespec    *pCur    = &aTs[0];
+    struct timespec    *pPrev   = &aTs[1];
+    struct timespec    *pTmp;
+#else
+    struct timeval      aTv[2];
+    struct timeval     *pCur    = &aTv[0];
+    struct timeval     *pPrev   = &aTv[1];
+    struct timeval     *pTmp;
+#endif
+
+#ifdef USE_CLOCK_MONOTONIC
+    clock_gettime(CLOCK_MONOTONIC, pPrev);
+#else
+    gettimeofday(pPrev, NULL);
+#endif
+    for (;;)
+    {
+#ifdef USE_CLOCK_MONOTONIC
+        clock_gettime(CLOCK_MONOTONIC, pCur);
+#else
+        gettimeofday(pCur, NULL);
+#endif
+
+        if (   pCur->tv_sec == pPrev->tv_sec
+#ifdef USE_CLOCK_MONOTONIC
+            && pCur->tv_nsec < pPrev->tv_nsec
+#else
+            && pCur->tv_usec < pPrev->tv_usec
+#endif
+           )
+        {
+#ifdef USE_CLOCK_MONOTONIC
+            printf("tv_nsec in the past: %ld.%09u < %ld.%09u - %u nsec\n",
+                   (long)pCur->tv_sec,  (unsigned)pCur->tv_nsec,
+                   (long)pPrev->tv_sec, (unsigned)pPrev->tv_nsec,
+                   (unsigned)pPrev->tv_nsec - (unsigned)pCur->tv_nsec);
+#else
+            printf("tv_usec in the past: %ld.%06u < %ld.%06u - %u usec\n",
+                   (long)pCur->tv_sec,  (unsigned)pCur->tv_usec,
+                   (long)pPrev->tv_sec, (unsigned)pPrev->tv_usec,
+                   (unsigned)pPrev->tv_usec - (unsigned)pCur->tv_usec);
+#endif
+            cErrors++;
+            if (cErrors > 1000)
+                break;
+        }
+        else if (pCur->tv_sec < pPrev->tv_sec)
+        {
+#ifdef USE_CLOCK_MONOTONIC
+            printf("tv_sec  in the past: %ld.%09u < %ld.%09u\n",
+                   (long)pCur->tv_sec,  (unsigned)pCur->tv_nsec,
+                   (long)pPrev->tv_sec, (unsigned)pPrev->tv_nsec);
+#else
+            printf("tv_sec  in the past: %ld.%06u < %ld.%06u\n",
+                   (long)pCur->tv_sec,  (unsigned)pCur->tv_usec,
+                   (long)pPrev->tv_sec, (unsigned)pPrev->tv_usec);
+#endif
+            cErrors++;
+            if (cErrors > 1000)
+                break;
+        }
+        else
+        {
+            /* swap */
+            pTmp  = pPrev;
+            pPrev = pCur;
+            pCur  = pTmp;
+        }
+    }
+
+    return 1;
+}