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, 215 insertions, 0 deletions

diff --git a/src/VBox/Runtime/testcase/tstDarwinSched.cpp b/src/VBox/Runtime/testcase/tstDarwinSched.cpp
new file mode 100644
index 00000000..a9d0c9df
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstDarwinSched.cpp
@@ -0,0 +1,215 @@
+/* $Id: tstDarwinSched.cpp $ */
+/** @file
+ * IPRT testcase - darwin scheduling.
+ */
+
+/*
+ * 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 <mach/thread_act.h>
+#include <mach/thread_policy.h>
+#include <mach/thread_info.h>
+#include <mach/host_info.h>
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <pthread.h>
+#include <sched.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static void thread_print_policies(int fDefault)
+{
+    thread_extended_policy_data_t           Extended = { 0 };
+    thread_time_constraint_policy_data_t    TimeConstraint = { 0, 0, 0, 1 };
+    thread_precedence_policy_data_t         Precedence = { 0 };
+#ifdef THREAD_AFFINITY_POLICY /* 10.5 */
+    thread_affinity_policy_data_t           Affinity = { 0 };
+#endif
+    boolean_t                               GetDefault;
+    mach_msg_type_number_t                  Count;
+    kern_return_t                           krc;
+
+    GetDefault = fDefault;
+    Count = THREAD_EXTENDED_POLICY_COUNT;
+    krc = thread_policy_get(mach_thread_self(), THREAD_EXTENDED_POLICY, (thread_policy_t)&Extended, &Count, &GetDefault);
+    printf("THREAD_EXTENDED_POLICY: krc=%#x default=%d timeshare=%d (%#x)\n",
+           krc, GetDefault, Extended.timeshare, Extended.timeshare);
+
+    GetDefault = fDefault;
+    Count = THREAD_PRECEDENCE_POLICY_COUNT;
+    krc = thread_policy_get(mach_thread_self(), THREAD_PRECEDENCE_POLICY, (thread_policy_t)&Precedence, &Count, &GetDefault);
+    printf("THREAD_PRECEDENCE_POLICY: krc=%#x default=%d importance=%d (%#x)\n",
+           krc, GetDefault, Precedence.importance, Precedence.importance);
+
+    GetDefault = fDefault;
+    Count = THREAD_TIME_CONSTRAINT_POLICY_COUNT;
+    krc = thread_policy_get(mach_thread_self(), THREAD_TIME_CONSTRAINT_POLICY, (thread_policy_t)&TimeConstraint, &Count, &GetDefault);
+    printf("THREAD_TIME_CONSTRAINT_POLICY: krc=%#x default=%d period=%u (%#x) computation=%u (%#x) constraint=%u (%#x) preemptible=%d\n",
+           krc, GetDefault, TimeConstraint.period, TimeConstraint.period,
+           TimeConstraint.computation, TimeConstraint.computation,
+           TimeConstraint.constraint,  TimeConstraint.constraint,
+           TimeConstraint.preemptible);
+
+#ifdef THREAD_AFFINITY_POLICY /* 10.5 */
+    GetDefault = fDefault;
+    Count = THREAD_AFFINITY_POLICY_COUNT;
+    krc = thread_policy_get(mach_thread_self(), THREAD_AFFINITY_POLICY, (thread_policy_t)&Affinity, &Count, &GetDefault);
+    printf("THREAD_AFFINITY_POLICY: krc=%#x default=%d affinity_tag=%d (%#x)\n",
+           krc, GetDefault, Affinity.affinity_tag, Affinity.affinity_tag);
+#endif
+
+    if (!fDefault)
+    {
+        struct sched_param              Param;
+        int                             iPolicy = 0;
+        struct thread_basic_info        BasicInfo = {{0,0},{0,0},0,0,0,0,0,0};
+        struct policy_timeshare_info    TSInfo = {0,0,0,0,0};
+        int                             rc;
+
+        memset(&Param, 0, sizeof(Param));
+        rc = pthread_getschedparam(pthread_self(), &iPolicy, &Param);
+        printf("pthread_getschedparam: rc=%d iPolicy=%d (%#x) sched_priority=%d (%#x) opaque=%d (%#x)\n",
+               rc, iPolicy, iPolicy, Param.sched_priority, Param.sched_priority,
+#ifdef THREAD_AFFINITY_POLICY /* 10.5 */
+               *(int *)&Param.__opaque, *(int *)&Param.__opaque);
+#else
+               *(int *)&Param.opaque, *(int *)&Param.opaque);
+#endif
+
+        Count = THREAD_BASIC_INFO_COUNT;
+        krc = thread_info(mach_thread_self(), THREAD_BASIC_INFO, (thread_info_t)&BasicInfo, &Count);
+        printf("THREAD_BASIC_INFO: krc=%#x user_time=%d.%06d system_time=%d.%06d cpu_usage=%d policy=%d\n"
+               "    run_state=%d flags=%#x suspend_count=%d sleep_time=%d\n",
+               krc,
+               BasicInfo.user_time.seconds,   BasicInfo.user_time.microseconds,
+               BasicInfo.system_time.seconds, BasicInfo.system_time.microseconds,
+               BasicInfo.cpu_usage,
+               BasicInfo.policy,
+               BasicInfo.run_state,
+               BasicInfo.flags,
+               BasicInfo.suspend_count,
+               BasicInfo.sleep_time);
+
+        Count = POLICY_TIMESHARE_INFO_COUNT;
+        krc = thread_info(mach_thread_self(), THREAD_SCHED_TIMESHARE_INFO, (thread_info_t)&TSInfo, &Count);
+        printf("THREAD_SCHED_TIMESHARE_INFO: krc=%#x max_priority=%d (%#x) base_priority=%d (%#x) cur_priority=%d (%#x)\n"
+               "    depressed=%d depress_priority=%d (%#x)\n",
+               krc,
+               TSInfo.max_priority, TSInfo.max_priority,
+               TSInfo.base_priority, TSInfo.base_priority,
+               TSInfo.cur_priority, TSInfo.cur_priority,
+               TSInfo.depressed,
+               TSInfo.depress_priority, TSInfo.depress_priority);
+    }
+    else
+    {
+        host_priority_info_data_t   PriorityInfo = {0,0,0,0,0,0,0,0};
+
+        Count = HOST_PRIORITY_INFO_COUNT;
+        krc = host_info(mach_host_self(), HOST_PRIORITY_INFO, (host_info_t)&PriorityInfo, &Count);
+        printf("HOST_PRIORITY_INFO: krc=%#x \n"
+               "        kernel_priority=%2d (%#x)\n"
+               "        system_priority=%2d (%#x)\n"
+               "        server_priority=%2d (%#x)\n"
+               "          user_priority=%2d (%#x)\n"
+               "       depress_priority=%2d (%#x)\n"
+               "          idle_priority=%2d (%#x)\n"
+               "       minimum_priority=%2d (%#x)\n"
+               "       maximum_priority=%2d (%#x)\n",
+               krc,
+               PriorityInfo.kernel_priority,  PriorityInfo.kernel_priority,
+               PriorityInfo.system_priority,  PriorityInfo.system_priority,
+               PriorityInfo.server_priority,  PriorityInfo.server_priority,
+               PriorityInfo.user_priority,    PriorityInfo.user_priority,
+               PriorityInfo.depress_priority, PriorityInfo.depress_priority,
+               PriorityInfo.idle_priority,    PriorityInfo.idle_priority,
+               PriorityInfo.minimum_priority, PriorityInfo.minimum_priority,
+               PriorityInfo.maximum_priority, PriorityInfo.maximum_priority);
+    }
+}
+
+int main()
+{
+    struct sched_param  Param;
+    int                 iPolicy;
+    int                 iPriority;
+    int                 rc;
+
+    printf("tstDarwinSched: Default policies:\n");
+    thread_print_policies(1);
+
+    printf("tstDarwinSched: Current policies:\n");
+    thread_print_policies(0);
+
+
+    printf("tstDarwinSched:\n");
+    printf("tstDarwinSched: Trying max priority using pthread API\n");
+    iPolicy = SCHED_OTHER;
+    memset(&Param, 0, sizeof(Param));
+    pthread_getschedparam(pthread_self(), &iPolicy, &Param);
+    Param.sched_priority = iPriority = sched_get_priority_max(iPolicy);
+    rc = pthread_setschedparam(pthread_self(), iPolicy, &Param);
+    if (!rc)
+    {
+        do
+        {
+            Param.sched_priority = ++iPriority;
+            rc = pthread_setschedparam(pthread_self(), iPolicy, &Param);
+        } while (!rc);
+        iPriority--;
+        rc = 0;
+    }
+    printf("tstDarwinSched: pthread_setschedparam(iPriority=%d [max=%d]) -> %d\n",
+           iPriority, sched_get_priority_max(iPolicy), rc);
+    thread_print_policies(0);
+
+
+    printf("tstDarwinSched:\n");
+    printf("tstDarwinSched: Trying min priority using pthread API\n");
+    iPolicy = SCHED_OTHER;
+    memset(&Param, 0, sizeof(Param));
+    pthread_getschedparam(pthread_self(), &iPolicy, &Param);
+    Param.sched_priority = iPriority = sched_get_priority_min(iPolicy);
+    rc = pthread_setschedparam(pthread_self(), iPolicy, &Param);
+    if (!rc)
+    {
+        do
+        {
+            Param.sched_priority = --iPriority;
+            rc = pthread_setschedparam(pthread_self(), iPolicy, &Param);
+        } while (!rc);
+        iPriority++;
+        rc = 0;
+    }
+    printf("tstDarwinSched: pthread_setschedparam(iPriority=%d [min=%d]) -> %d\n",
+           iPriority, sched_get_priority_min(iPolicy), rc);
+    thread_print_policies(0);
+
+
+    return 0;
+}
+