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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . V X W O R K S . E X T --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2008-2011, Free Software Foundation, Inc. --
+-- --
+-- GNARL is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+------------------------------------------------------------------------------
+
+-- This package provides vxworks specific support functions needed
+-- by System.OS_Interface.
+
+-- This is the VxWorks 6 kernel version of this package
+
+with Interfaces.C;
+
+package System.VxWorks.Ext is
+ pragma Preelaborate;
+
+ subtype SEM_ID is Long_Integer;
+ -- typedef struct semaphore *SEM_ID;
+
+ type sigset_t is mod 2 ** Long_Long_Integer'Size;
+
+ type t_id is new Long_Integer;
+ subtype int is Interfaces.C.int;
+ subtype unsigned is Interfaces.C.unsigned;
+
+ type Interrupt_Handler is access procedure (parameter : System.Address);
+ pragma Convention (C, Interrupt_Handler);
+
+ type Interrupt_Vector is new System.Address;
+
+ function Int_Lock return int;
+ pragma Convention (C, Int_Lock);
+
+ function Int_Unlock return int;
+ pragma Convention (C, Int_Unlock);
+
+ function Interrupt_Connect
+ (Vector : Interrupt_Vector;
+ Handler : Interrupt_Handler;
+ Parameter : System.Address := System.Null_Address) return int;
+ pragma Import (C, Interrupt_Connect, "intConnect");
+
+ function Interrupt_Context return int;
+ pragma Import (C, Interrupt_Context, "intContext");
+
+ function Interrupt_Number_To_Vector
+ (intNum : int) return Interrupt_Vector;
+ pragma Import (C, Interrupt_Number_To_Vector, "__gnat_inum_to_ivec");
+
+ function semDelete (Sem : SEM_ID) return int;
+ pragma Convention (C, semDelete);
+
+ function Task_Cont (tid : t_id) return int;
+ pragma Import (C, Task_Cont, "taskCont");
+
+ function Task_Stop (tid : t_id) return int;
+ pragma Convention (C, Task_Stop);
+
+ function kill (pid : t_id; sig : int) return int;
+ pragma Import (C, kill, "kill");
+
+ function getpid return t_id;
+ pragma Import (C, getpid, "taskIdSelf");
+
+ function Set_Time_Slice (ticks : int) return int;
+ pragma Import (C, Set_Time_Slice, "kernelTimeSlice");
+
+ type UINT64 is mod 2 ** Long_Long_Integer'Size;
+
+ function tickGet return UINT64;
+ -- Needed for ravenscar-cert
+ pragma Import (C, tickGet, "tick64Get");
+
+ --------------------------------
+ -- Processor Affinity for SMP --
+ --------------------------------
+
+ function taskCpuAffinitySet (tid : t_id; CPU : int) return int;
+ pragma Convention (C, taskCpuAffinitySet);
+ -- For SMP run-times set the CPU affinity.
+ -- For uniprocessor systems return ERROR status.
+
+ function taskMaskAffinitySet (tid : t_id; CPU_Set : unsigned) return int;
+ pragma Convention (C, taskMaskAffinitySet);
+ -- For SMP run-times set the CPU mask affinity.
+ -- For uniprocessor systems return ERROR status.
+
+end System.VxWorks.Ext;