Nuttx Upgrade:Adds sem_setprotocol

src/modules/dataman/dataman.c

@@ -274,6 +274,10 @@ create_work_item(void)
 	/* If we got one then lock the item*/
 	if (item) {
 		px4_sem_init(&item->wait_sem, 1, 0);        /* Caller will wait on this... initially locked */
+
+		/* item->wait_sem use case is a signal */
+
+		px4_sem_setprotocol(&item->wait_sem, SEM_PRIO_NONE);
 	}
 
 	/* return the item pointer, or NULL if all failed */
@@ -922,6 +926,10 @@ task_main(int argc, char *argv[])
 
 	px4_sem_init(&g_work_queued_sema, 1, 0);
 
+	/* g_work_queued_sema use case is a signal */
+
+	px4_sem_setprotocol(&g_work_queued_sema, SEM_PRIO_NONE);
+
 	if (!on_disk) {
 
 		/* In memory */
@@ -1135,6 +1143,10 @@ start(void)
 
 	px4_sem_init(&g_init_sema, 1, 0);
 
+	/* g_init_sema use case is a signal */
+
+	px4_sem_setprotocol(&g_init_sema, SEM_PRIO_NONE);
+
 	/* start the worker thread with low priority for disk IO */
 	if ((task = px4_task_spawn_cmd("dataman", SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT - 10, 1200, task_main, NULL)) <= 0) {
 		warn("task start failed");

src/modules/logger/logger.cpp

@@ -723,6 +723,12 @@ void Logger::run()
 	memset(&timer_call, 0, sizeof(hrt_call));
 	px4_sem_t timer_semaphore;
 	px4_sem_init(&timer_semaphore, 0, 0);
+
+	/* timer_semaphore use case is a signal */
+
+	px4_sem_setprotocol(&timer_semaphore, SEM_PRIO_NONE);
+
+
 	hrt_call_every(&timer_call, _log_interval, _log_interval, timer_callback, &timer_semaphore);
 
 	// check for new subscription data

src/modules/muorb/adsp/uORBFastRpcChannel.hpp

@@ -222,6 +222,8 @@ private: // data members
 		Semaphore()
 		{
 			sem_init(&_Sem, 0, 0);
+			/* _Sem use case is a signal */
+			px4_sem_setprotocol(&_Sem, SEM_PRIO_NONE);
 		}
 		~Semaphore()
 		{

src/modules/syslink/syslink_main.cpp

@@ -107,6 +107,8 @@ Syslink::Syslink() :
 	_bstate(BAT_DISCHARGING)
 {
 	px4_sem_init(&memory_sem, 0, 0);
+	/* memory_sem use case is a signal */
+	px4_sem_setprotocol(&memory_sem, SEM_PRIO_NONE);
 }
 
 

src/modules/uavcan/uavcan_main.cpp

@@ -110,6 +110,8 @@ UavcanNode::UavcanNode(uavcan::ICanDriver &can_driver, uavcan::ISystemClock &sys
 	if (res < 0) {
 		std::abort();
 	}
+	/* _server_command_sem use case is a signal */
+	px4_sem_setprotocol(&_server_command_sem, SEM_PRIO_NONE);
 
 	if (_perfcnt_node_spin_elapsed == nullptr) {
 		errx(1, "uavcan: couldn't allocate _perfcnt_node_spin_elapsed");

src/modules/uavcan/uavcan_virtual_can_driver.hpp

@@ -345,19 +345,23 @@ class VirtualCanDriver : public uavcan::ICanDriver,
 {
 	class Event
 	{
-		FAR sem_t sem;
+		FAR px4_sem_t sem;
 
 
 	public:
 
 		int init()
 		{
-			return sem_init(&sem, 0, 0);
+			int rv = px4_sem_init(&sem, 0, 0);
+			if (rv == 0) {
+				px4_sem_setprotocol(&sem, SEM_PRIO_NONE);
+			}
+			return rv;
 		}
 
 		int deinit()
 		{
-			return sem_destroy(&sem);
+			return px4_sem_destroy(&sem);
 		}
 
 
@@ -388,7 +392,7 @@ class VirtualCanDriver : public uavcan::ICanDriver,
 						abstime.tv_nsec -= NsPerSec;
 					}
 
-					(void)sem_timedwait(&sem, &abstime);
+					(void)px4_sem_timedwait(&sem, &abstime);
 				}
 			}
 		}
@@ -396,7 +400,7 @@ class VirtualCanDriver : public uavcan::ICanDriver,
 		void signal()
 		{
 			int count;
-			int rv = sem_getvalue(&sem, &count);
+			int rv = px4_sem_getvalue(&sem, &count);
 
 			if (rv > 0 && count <= 0) {
 				px4_sem_post(&sem);