[GitHub] [nuttx-apps] pkarashchenko commented on a diff in pull request #1711: testing/ostest: add test case for task priority change with locked scheduler

[via GitHub]

pkarashchenko commented on code in PR #1711:
URL: https://github.com/apache/nuttx-apps/pull/1711#discussion_r1162995359


##########
testing/ostest/schedlock.c:
##########
@@ -0,0 +1,242 @@
+/****************************************************************************
+ * apps/testing/ostest/schedlock.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <errno.h>
+#include <sched.h>
+#include <unistd.h>
+#include <stdint.h>
+
+#include "ostest.h"
+
+#include <sys/wait.h>
+
+static pthread_t g_lowpri;
+static pthread_t g_highpri;
+static volatile bool g_locked;
+static volatile bool g_pass;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: highpri_thread
+ ****************************************************************************/
+
+static FAR void *highpri_thread(FAR void *parameter)
+{
+  struct sched_param param;
+  int policy;
+  bool self = (bool)(uintptr_t)parameter;
+  pthread_t thread = self ? 0 : g_lowpri;
+
+  usleep(100);
+
+  pthread_getschedparam(0, &policy, &param);
+  if (self)
+    {
+      param.sched_priority -= 2;
+    }
+  else
+    {
+      param.sched_priority += 2;
+    }
+
+  sched_lock();
+
+  g_locked = true;
+
+  nxsched_set_param(thread, &param);

Review Comment:
   Need to fix this copy paste 



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