comparison examples/10-Instruments/d-box/prio.cpp @ 464:8fcfbfb32aa0 prerelease

Examples reorder with subdirectories. Added header to each project. Moved Doxygen to bottom of render.cpp.

+/*
+ * prio.cpp
+ *
+ *  Created on: May 14, 2014
+ *      Author: Victor Zappi
+ */
+
+#include "prio.h"
+using namespace std;
+//-----------------------------------------------------------------------------------------------------------
+// set wanted real-time priority to this thread
+//-----------------------------------------------------------------------------------------------------------
+void set_realtime_priority(int order)
+{
+    int ret;
+
+    // We'll operate on the currently running thread.
+    pthread_t this_thread = pthread_self();
+    // struct sched_param is used to store the scheduling priority
+	struct sched_param params;
+	// We'll set the priority to the maximum.
+	params.sched_priority = sched_get_priority_max(SCHED_FIFO) - order;
+
+	// Attempt to set thread real-time priority to the SCHED_FIFO policy
+	ret = pthread_setschedparam(this_thread, SCHED_FIFO, &params);
+	if (ret != 0) {
+		// Print the error
+		cout << "Unsuccessful in setting thread realtime prio" << endl;
+		return;
+	}
+
+	// Now verify the change in thread priority
+    int policy = 0;
+    ret = pthread_getschedparam(this_thread, &policy, &params);
+    if (ret != 0) {
+        cout << "Couldn't retrieve real-time scheduling parameters" << endl;
+        return;
+    }
+
+    // Check the correct policy was applied
+    if(policy != SCHED_FIFO) {
+        cout << "Scheduling is NOT SCHED_FIFO!" << endl;
+    }
+}
+
+//-----------------------------------------------------------------------------------------------------------
+
+