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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . T R A C E S . T A S K I N G --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2001-2009 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/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with System.Tasking; use System.Tasking;
+with System.Soft_Links;
+with System.Parameters;
+with System.Traces.Format; use System.Traces.Format;
+with System.Traces; use System.Traces;
+
+package body System.Traces.Tasking is
+
+ use System.Traces;
+
+ package SSL renames System.Soft_Links;
+
+ function Extract_Accepts (Task_Name : Task_Id) return String_Trace;
+ -- This function is used to extract data joined with
+ -- W_Select, WT_Select, W_Accept events
+
+ ---------------------
+ -- Send_Trace_Info --
+ ---------------------
+
+ procedure Send_Trace_Info (Id : Trace_T; Task_Name2 : Task_Id) is
+ Task_S : constant String := SSL.Task_Name.all;
+ Task2_S : constant String :=
+ Task_Name2.Common.Task_Image
+ (1 .. Task_Name2.Common.Task_Image_Len);
+ Trace_S : String (1 .. 6 + Task_S'Length + Task2_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task2_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ case Id is
+ when M_RDV_Complete | PO_Done =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/C:";
+ Trace_S (7 + L0 .. Trace_S'Last) := Task2_S;
+ Send_Trace (Id, Trace_S);
+
+ when E_Missed =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/A:";
+ Trace_S (7 + L0 .. Trace_S'Last) := Task2_S;
+ Send_Trace (Id, Trace_S);
+
+ when E_Kill =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L1) := Task2_S;
+ Trace_S (4 + L1 .. Trace_S'Last) := (others => ' ');
+ Send_Trace (Id, Trace_S);
+
+ when T_Create =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L1) := Task2_S;
+ Trace_S (4 + L1 .. Trace_S'Last) := (others => ' ');
+ Send_Trace (Id, Trace_S);
+
+ when others =>
+ null;
+ -- should raise an exception ???
+ end case;
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Task_Name2 : Task_Id;
+ Entry_Number : Entry_Index)
+ is
+ Task_S : constant String := SSL.Task_Name.all;
+ Task2_S : constant String :=
+ Task_Name2.Common.Task_Image
+ (1 .. Task_Name2.Common.Task_Image_Len);
+ Entry_S : constant String := Integer'Image (Integer (Entry_Number));
+ Trace_S : String (1 .. 9 + Task_S'Length
+ + Task2_S'Length + Entry_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task_S'Length + Entry_S'Length;
+ L2 : constant Integer := Task_S'Length + Task2_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ case Id is
+ when M_Accept_Complete =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/E:";
+ Trace_S (7 + L0 .. 6 + L1) := Entry_S;
+ Trace_S (7 + L1 .. 9 + L1) := "/C:";
+ Trace_S (10 + L1 .. Trace_S'Last) := Task2_S;
+ Send_Trace (Id, Trace_S);
+
+ when W_Call =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/A:";
+ Trace_S (7 + L0 .. 6 + L2) := Task2_S;
+ Trace_S (7 + L2 .. 9 + L2) := "/C:";
+ Trace_S (10 + L2 .. Trace_S'Last) := Entry_S;
+ Send_Trace (Id, Trace_S);
+
+ when others =>
+ null;
+ -- should raise an exception ???
+ end case;
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Task_Name : Task_Id;
+ Task_Name2 : Task_Id;
+ Entry_Number : Entry_Index)
+ is
+ Task_S : constant String :=
+ Task_Name.Common.Task_Image
+ (1 .. Task_Name.Common.Task_Image_Len);
+ Task2_S : constant String :=
+ Task_Name2.Common.Task_Image
+ (1 .. Task_Name2.Common.Task_Image_Len);
+ Entry_S : constant String := Integer'Image (Integer (Entry_Number));
+ Trace_S : String (1 .. 9 + Task_S'Length
+ + Task2_S'Length + Entry_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task_S'Length + Entry_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ case Id is
+ when PO_Run =>
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/E:";
+ Trace_S (7 + L0 .. 6 + L1) := Entry_S;
+ Trace_S (7 + L1 .. 9 + L1) := "/C:";
+ Trace_S (10 + L1 .. Trace_S'Last) := Task2_S;
+ Send_Trace (Id, Trace_S);
+
+ when others =>
+ null;
+ -- should raise an exception ???
+ end case;
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info (Id : Trace_T; Entry_Number : Entry_Index) is
+ Task_S : constant String := SSL.Task_Name.all;
+ Entry_S : constant String := Integer'Image (Integer (Entry_Number));
+ Trace_S : String (1 .. 6 + Task_S'Length + Entry_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/E:";
+ Trace_S (7 + L0 .. Trace_S'Last) := Entry_S;
+ Send_Trace (Id, Trace_S);
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Task_Name : Task_Id;
+ Task_Name2 : Task_Id)
+ is
+ Task_S : constant String :=
+ Task_Name.Common.Task_Image
+ (1 .. Task_Name.Common.Task_Image_Len);
+ Task2_S : constant String :=
+ Task_Name2.Common.Task_Image
+ (1 .. Task_Name2.Common.Task_Image_Len);
+ Trace_S : String (1 .. 6 + Task_S'Length + Task2_S'Length);
+
+ L0 : constant Integer := Task2_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task2_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/P:";
+ Trace_S (7 + L0 .. Trace_S'Last) := Task_S;
+ Send_Trace (Id, Trace_S);
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Acceptor : Task_Id;
+ Entry_Number : Entry_Index;
+ Timeout : Duration)
+ is
+ Task_S : constant String := SSL.Task_Name.all;
+ Acceptor_S : constant String :=
+ Acceptor.Common.Task_Image
+ (1 .. Acceptor.Common.Task_Image_Len);
+ Entry_S : constant String := Integer'Image (Integer (Entry_Number));
+ Timeout_S : constant String := Duration'Image (Timeout);
+ Trace_S : String (1 .. 12 + Task_S'Length + Acceptor_S'Length
+ + Entry_S'Length + Timeout_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task_S'Length + Acceptor_S'Length;
+ L2 : constant Integer :=
+ Task_S'Length + Acceptor_S'Length + Entry_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/A:";
+ Trace_S (7 + L0 .. 6 + L1) := Acceptor_S;
+ Trace_S (7 + L1 .. 9 + L1) := "/E:";
+ Trace_S (10 + L1 .. 9 + L2) := Entry_S;
+ Trace_S (10 + L2 .. 12 + L2) := "/T:";
+ Trace_S (13 + L2 .. Trace_S'Last) := Timeout_S;
+ Send_Trace (Id, Trace_S);
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Entry_Number : Entry_Index;
+ Timeout : Duration)
+ is
+ Task_S : constant String := SSL.Task_Name.all;
+ Entry_S : constant String := Integer'Image (Integer (Entry_Number));
+ Timeout_S : constant String := Duration'Image (Timeout);
+ Trace_S : String (1 .. 9 + Task_S'Length
+ + Entry_S'Length + Timeout_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task_S'Length + Entry_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/E:";
+ Trace_S (7 + L0 .. 6 + L1) := Entry_S;
+ Trace_S (7 + L1 .. 9 + L1) := "/T:";
+ Trace_S (10 + L1 .. Trace_S'Last) := Timeout_S;
+ Send_Trace (Id, Trace_S);
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Task_Name : Task_Id;
+ Number : Integer)
+ is
+ Task_S : constant String := SSL.Task_Name.all;
+ Number_S : constant String := Integer'Image (Number);
+ Accepts_S : constant String := Extract_Accepts (Task_Name);
+ Trace_S : String (1 .. 9 + Task_S'Length
+ + Number_S'Length + Accepts_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task_S'Length + Number_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/#:";
+ Trace_S (7 + L0 .. 6 + L1) := Number_S;
+ Trace_S (7 + L1 .. 9 + L1) := "/E:";
+ Trace_S (10 + L1 .. Trace_S'Last) := Accepts_S;
+ Send_Trace (Id, Trace_S);
+ end if;
+ end Send_Trace_Info;
+
+ procedure Send_Trace_Info
+ (Id : Trace_T;
+ Task_Name : Task_Id;
+ Number : Integer;
+ Timeout : Duration)
+ is
+ Task_S : constant String := SSL.Task_Name.all;
+ Timeout_S : constant String := Duration'Image (Timeout);
+ Number_S : constant String := Integer'Image (Number);
+ Accepts_S : constant String := Extract_Accepts (Task_Name);
+ Trace_S : String (1 .. 12 + Task_S'Length + Timeout_S'Length
+ + Number_S'Length + Accepts_S'Length);
+
+ L0 : constant Integer := Task_S'Length;
+ L1 : constant Integer := Task_S'Length + Timeout_S'Length;
+ L2 : constant Integer :=
+ Task_S'Length + Timeout_S'Length + Number_S'Length;
+
+ begin
+ if Parameters.Runtime_Traces then
+ Trace_S (1 .. 3) := "/N:";
+ Trace_S (4 .. 3 + L0) := Task_S;
+ Trace_S (4 + L0 .. 6 + L0) := "/T:";
+ Trace_S (7 + L0 .. 6 + L1) := Timeout_S;
+ Trace_S (7 + L1 .. 9 + L1) := "/#:";
+ Trace_S (10 + L1 .. 9 + L2) := Number_S;
+ Trace_S (10 + L2 .. 12 + L2) := "/E:";
+ Trace_S (13 + L2 .. Trace_S'Last) := Accepts_S;
+ Send_Trace (Id, Trace_S);
+ end if;
+ end Send_Trace_Info;
+
+ ---------------------
+ -- Extract_Accepts --
+ ---------------------
+
+ -- This function returns a string in which all opened
+ -- Accepts or Selects are given, separated by semi-colons.
+
+ function Extract_Accepts (Task_Name : Task_Id) return String_Trace is
+ Info_Annex : String_Trace := (ASCII.NUL, others => ' ');
+
+ begin
+ for J in Task_Name.Open_Accepts'First ..
+ Task_Name.Open_Accepts'Last - 1
+ loop
+ Info_Annex := Append (Info_Annex, Integer'Image
+ (Integer (Task_Name.Open_Accepts (J).S)) & ",");
+ end loop;
+
+ Info_Annex := Append (Info_Annex,
+ Integer'Image (Integer
+ (Task_Name.Open_Accepts
+ (Task_Name.Open_Accepts'Last).S)));
+ return Info_Annex;
+ end Extract_Accepts;
+end System.Traces.Tasking;