bsps/irq: Add rtems_interrupt_is_pending()

Add a default implementation which just returns RTEMS_UNSATISFIED.

Update #3269.

bsps/shared/irq/irq-default.c

@@ -45,6 +45,17 @@ rtems_status_code bsp_interrupt_get_attributes(
   return RTEMS_SUCCESSFUL;
 }
 
+rtems_status_code bsp_interrupt_is_pending(
+  rtems_vector_number vector,
+  bool               *pending
+)
+{
+  bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
+  bsp_interrupt_assert(pending != NULL);
+  *pending = false;
+  return RTEMS_UNSATISFIED;
+}
+
 rtems_status_code bsp_interrupt_raise(rtems_vector_number vector)
 {
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));

bsps/shared/irq/irq-raise-clear.c

@@ -6,7 +6,6 @@
  * @ingroup bsp_interrupt
  *
  * @brief This source file contains the implementation of
- *   rtems_interrupt_raise(), rtems_interrupt_raise_on() and
  *   rtems_interrupt_clear().
  */
 
@@ -41,6 +40,22 @@
 #include <rtems/score/smpimpl.h>
 #include <rtems/config.h>
 
+rtems_status_code rtems_interrupt_is_pending(
+  rtems_vector_number vector,
+  bool               *pending
+)
+{
+  if ( pending == NULL ) {
+    return RTEMS_INVALID_ADDRESS;
+  }
+
+  if ( !bsp_interrupt_is_valid_vector( vector ) ) {
+    return RTEMS_INVALID_ID;
+  }
+
+  return bsp_interrupt_is_pending( vector, pending );
+}
+
 rtems_status_code rtems_interrupt_raise( rtems_vector_number vector )
 {
   if ( !bsp_interrupt_is_valid_vector( vector ) ) {