Ravenscar profile is a programming language created in 1997.
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The Ravenscar profile is a subset of the Ada tasking features designed for safety-critical hard real-time computing. It was defined by a separate technical report in Ada 95; it is now part of the Ada 2012 Standard. It has been named after the English village of Ravenscar, the location of the 8th International Real-Time Ada Workshop (IRTAW 8).. Read more on Wikipedia...
pragma Task_Dispatching_Policy (FIFO_Within_Priorities); pragma Locking_Policy (Ceiling_Locking); pragma Detect_Blocking; pragma Restrictions ( No_Abort_Statements, No_Dynamic_Attachment, No_Dynamic_Priorities, No_Implicit_Heap_Allocations, No_Local_Protected_Objects, No_Local_Timing_Events, No_Protected_Type_Allocators, No_Relative_Delay, No_Requeue_Statements, No_Select_Statements, No_Specific_Termination_Handlers, No_Task_Allocators, No_Task_Hierarchy, No_Task_Termination, Simple_Barriers, Max_Entry_Queue_Length => 1, Max_Protected_Entries => 1, Max_Task_Entries => 0, No_Dependence => Ada.Asynchronous_Task_Control, No_Dependence => Ada.Calendar, No_Dependence => Ada.Execution_Time.Group_Budget, No_Dependence => Ada.Execution_Time.Timers, No_Dependence => Ada.Task_Attributes);