doxygen: score: adjust doc in schedulerstrongapa.h to doxygen guidelines

Update #3706.

cpukit/include/rtems/score/schedulerstrongapa.h

@@ -36,6 +36,8 @@ extern "C" {
  *
  * @ingroup RTEMSScoreSchedulerSMP
  *
+ * @brief Strong APA Scheduler
+ *
  * This is an implementation of the global fixed priority scheduler (G-FP).  It
  * uses one ready chain per priority to ensure constant time insert operations.
  * The scheduled chain uses linear insert operations and has at most processor
@@ -102,8 +104,21 @@ typedef struct {
     SCHEDULER_OPERATION_DEFAULT_GET_SET_AFFINITY \
   }
 
+/**
+ * @brief Initializes the scheduler.
+ *
+ * @param scheduler The scheduler to initialize.
+ */
 void _Scheduler_strong_APA_Initialize( const Scheduler_Control *scheduler );
 
+/**
+ * @brief Initializes the node with the given priority.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param[out] node The node to initialize.
+ * @param the_thread The thread of the node to initialize.
+ * @param priority The priority for @a node.
+ */
 void _Scheduler_strong_APA_Node_initialize(
   const Scheduler_Control *scheduler,
   Scheduler_Node          *node,
@@ -111,36 +126,82 @@ void _Scheduler_strong_APA_Node_initialize(
   Priority_Control         priority
 );
 
+/**
+ * @brief Blocks the thread.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param[in, out] the_thread The thread to block.
+ * @param[in, out] node The node of the thread to block.
+ */
 void _Scheduler_strong_APA_Block(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 );
 
+/**
+ * @brief Unblocks the thread.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param[in, out] the_thread The thread to unblock.
+ * @param[in, out] node The node of the thread to unblock.
+ */
 void _Scheduler_strong_APA_Unblock(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 );
 
+/**
+ * @brief Updates the priority of the node.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param the_thread The thread for the operation.
+ * @param[in, out] node The node to update the priority of.
+ */
 void _Scheduler_strong_APA_Update_priority(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 );
 
+/**
+ * @brief Asks for help.
+ *
+ * @param  scheduler The scheduler control instance.
+ * @param the_thread The thread that asks for help.
+ * @param node The node of @a the_thread.
+ *
+ * @retval true The request for help was successful.
+ * @retval false The request for help was not successful.
+ */
 bool _Scheduler_strong_APA_Ask_for_help(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 );
 
+/**
+ * @brief Reconsiders help request.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param the_thread The thread to reconsider the help request of.
+ * @param[in, out] node The node of @a the_thread
+ */
 void _Scheduler_strong_APA_Reconsider_help_request(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 );
 
+/**
+ * @brief Withdraws the node.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param[in, out] the_thread The thread to change the state to @a next_state.
+ * @param[in, out] node The node to withdraw.
+ * @param next_state The next state for @a the_thread.
+ */
 void _Scheduler_strong_APA_Withdraw_node(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
@@ -148,16 +209,37 @@ void _Scheduler_strong_APA_Withdraw_node(
   Thread_Scheduler_state   next_state
 );
 
+/**
+ * @brief Adds the idle thread to a processor.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param[in, out] The idle thread to add to the processor.
+ */
 void _Scheduler_strong_APA_Add_processor(
   const Scheduler_Control *scheduler,
   Thread_Control          *idle
 );
 
+/**
+ * @brief Removes an idle thread from the given cpu.
+ *
+ * @param scheduler The scheduler instance.
+ * @param cpu The cpu control to remove from @a scheduler.
+ *
+ * @return The idle thread of the processor.
+ */
 Thread_Control *_Scheduler_strong_APA_Remove_processor(
   const Scheduler_Control *scheduler,
   struct Per_CPU_Control  *cpu
 );
 
+/**
+ * @brief Performs a yield operation.
+ *
+ * @param scheduler The scheduler control instance.
+ * @param the_thread The thread to yield.
+ * @param[in, out] node The node of @a the_thread.
+ */
 void _Scheduler_strong_APA_Yield(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,