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⟦50eeb8d16⟧ Ada Source

    Length: 7168 (0x1c00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, seg_03bdbb

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

-- Copyright 1987, 1988 Verdix Corporation

------------------------------------------------------------------------------
-- User interface to the interrupt entry signal services
------------------------------------------------------------------------------
WITH System;
USE System;
WITH V_I_Types;
PACKAGE V_I_Sig IS

   PRAGMA Suppress (All_Checks);
   PRAGMA Suppress (Exception_Tables);
   PRAGMA Not_Elaborated;

   SUBTYPE A_Signal_T IS V_I_Types.A_Signal_T;

   --------------------------------------------------------------------------
   -- Interrupt entry's ISR header record built by the compiler
   --------------------------------------------------------------------------
   TYPE Isr_Header IS
      RECORD
         Vector_Num : Integer;
         S          : A_Signal_T;
      END RECORD;

   --
   -- Offsets for these fields must agree with those used in il_task.c
   --
   FOR Isr_Header USE
      RECORD
         Vector_Num AT 0 RANGE 0 .. 4 * Storage_Unit - 1;
         S          AT 4 RANGE 0 .. 4 * Storage_Unit - 1;
      END RECORD;

   Signal_Isr_Vector_Num_Off : CONSTANT := 0;
   Signal_Isr_S_Off          : CONSTANT := 4;

   TYPE Isr_Header_Ref IS ACCESS Isr_Header;


   --------------------------------------------------------------------------
   -- Signals provide the mechanism for an interrupt handler to notify a task
   -- of an asynchronous event. An interrupt entry in a task is attached to
   -- a signal. At the completion of interrupt handling, the signal is
   -- posted, whereby, a call is made to the attached interrupt entry.
   --------------------------------------------------------------------------

   --------------------------------------------------------------------------
   -- Create signal                                                        --
   --                                                                      --
   --  signal_code - code shared by interrupt handler and task interrupt   --
   --      entry. A task interrupt entry does:                             --
   --      for interrupt_entry use at address'ref(signal_code);            --
   --                                                                      --
   -- Returns address of signal structure that can be posted.              --
   --------------------------------------------------------------------------
   FUNCTION Create_Signal (Signal_Code : Integer) RETURN A_Signal_T;

   ------------------
   -- Post signal  --
   ------------------
   PROCEDURE Post_Signal (S : A_Signal_T);

   --------------------------------------------------------------------------
   -- Interrupt entry's ISR
   --------------------------------------------------------------------------
   PROCEDURE Signal_Isr (I : Isr_Header_Ref);

PRIVATE
   PRAGMA Interface (Ada, Create_Signal);
   PRAGMA Interface_Name (Create_Signal, "TS_CREATE_SIGNAL");
   PRAGMA Interface (Ada, Post_Signal);
   PRAGMA Interface_Name (Post_Signal, "TS_POST_SIGNAL");
   PRAGMA Interface (Ada, Signal_Isr);
   PRAGMA Interface_Name (Signal_Isr, "SIGNAL_ISR");
END V_I_Sig;

    nblk1=6
    nid=0
    hdr6=c
        [0x00] rec0=20 rec1=00 rec2=01 rec3=03c
        [0x01] rec0=00 rec1=00 rec2=06 rec3=012
        [0x02] rec0=14 rec1=00 rec2=02 rec3=06c
        [0x03] rec0=00 rec1=00 rec2=05 rec3=024
        [0x04] rec0=16 rec1=00 rec2=03 rec3=01c
        [0x05] rec0=04 rec1=00 rec2=04 rec3=000
    tail 0x215347f02856574605807 0x489e0066482863c01