[multiple changes]
2014-06-13 Geert Bosch <bosch@adacore.com> * gnat_rm.texi, s-tasinf-solaris.ads, sem_prag.adb, gnat_ugn.texi, s-tasinf-mingw.ads, s-tasinf.ads, s-tasinf-linux.ads, s-tasinf-vxworks.ads: Make Task_Info pragma and package obsolescent. 2014-06-13 Robert Dewar <dewar@adacore.com> * s-tasini.adb, s-tarest.adb, s-taprob.adb: Minor reformatting. From-SVN: r211616
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parent
c00b86e2c3
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65ede00530
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@ -1,3 +1,13 @@
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2014-06-13 Geert Bosch <bosch@adacore.com>
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* gnat_rm.texi, s-tasinf-solaris.ads, sem_prag.adb, gnat_ugn.texi,
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s-tasinf-mingw.ads, s-tasinf.ads, s-tasinf-linux.ads,
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s-tasinf-vxworks.ads: Make Task_Info pragma and package obsolescent.
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2014-06-13 Robert Dewar <dewar@adacore.com>
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* s-tasini.adb, s-tarest.adb, s-taprob.adb: Minor reformatting.
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2014-06-13 Hristian Kirtchev <kirtchev@adacore.com>
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* freeze.adb (Freeze_Entity): Remove the check concerning volatile
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@ -630,7 +630,6 @@ The GNAT Library
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* System.Restrictions (s-restri.ads)::
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* System.Rident (s-rident.ads)::
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* System.Strings.Stream_Ops (s-ststop.ads)::
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* System.Task_Info (s-tasinf.ads)::
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* System.Unsigned_Types (s-unstyp.ads)::
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* System.Wch_Cnv (s-wchcnv.ads)::
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* System.Wch_Con (s-wchcon.ads)::
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@ -1082,7 +1081,6 @@ consideration, the use of these pragmas should be minimized.
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* Pragma Suppress_Debug_Info::
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* Pragma Suppress_Exception_Locations::
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* Pragma Suppress_Initialization::
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* Pragma Task_Info::
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* Pragma Task_Name::
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* Pragma Task_Storage::
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* Pragma Test_Case::
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@ -6870,27 +6868,6 @@ to apply to the base type and all its subtypes. If the pragma is given
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for other than a first subtype, then it applies only to the given subtype.
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The pragma may not be given after the type is frozen.
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@node Pragma Task_Info
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@unnumberedsec Pragma Task_Info
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@findex Task_Info
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@noindent
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Syntax
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@smallexample @c ada
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pragma Task_Info (EXPRESSION);
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@end smallexample
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@noindent
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This pragma appears within a task definition (like pragma
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@code{Priority}) and applies to the task in which it appears. The
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argument must be of type @code{System.Task_Info.Task_Info_Type}.
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The @code{Task_Info} pragma provides system dependent control over
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aspects of tasking implementation, for example, the ability to map
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tasks to specific processors. For details on the facilities available
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for the version of GNAT that you are using, see the documentation
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in the spec of package System.Task_Info in the runtime
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library.
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@node Pragma Task_Name
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@unnumberedsec Pragma Task_Name
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@findex Task_Name
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@ -19872,15 +19849,6 @@ It is intended primarily to support implicit use of such subprograms when
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stream attributes are applied to string types, but the subprograms in this
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package can be used directly by application programs.
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@node System.Task_Info (s-tasinf.ads)
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@section @code{System.Task_Info} (@file{s-tasinf.ads})
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@cindex @code{System.Task_Info} (@file{s-tasinf.ads})
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@cindex Task_Info pragma
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@noindent
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This package provides target dependent functionality that is used
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to support the @code{Task_Info} pragma
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@node System.Unsigned_Types (s-unstyp.ads)
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@section @code{System.Unsigned_Types} (@file{s-unstyp.ads})
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@cindex @code{System.Unsigned_Types} (@file{s-unstyp.ads})
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@ -22431,6 +22399,7 @@ compatibility purposes.
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* pragma No_Run_Time::
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* pragma Ravenscar::
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* pragma Restricted_Run_Time::
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* pragma Task_Info::
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@end menu
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@node pragma No_Run_Time
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@ -22459,6 +22428,41 @@ pragma @code{Profile (Restricted)}. The latter usage is
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preferred since the Ada 2005 pragma @code{Profile} is intended for
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this kind of implementation dependent addition.
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@node pragma Task_Info
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@section pragma Task_Info
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The functionality provided by pragma @code{Task_Info} is now part of the
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Ada language. The @code{CPU} aspect and the package
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@code{System.Multiprocessors} offer a less system-dependent way to specify
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task affinity or to query the number of processsors.
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@noindent
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Syntax
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@smallexample @c ada
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pragma Task_Info (EXPRESSION);
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@end smallexample
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@noindent
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This pragma appears within a task definition (like pragma
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@code{Priority}) and applies to the task in which it appears. The
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argument must be of type @code{System.Task_Info.Task_Info_Type}.
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The @code{Task_Info} pragma provides system dependent control over
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aspects of tasking implementation, for example, the ability to map
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tasks to specific processors. For details on the facilities available
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for the version of GNAT that you are using, see the documentation
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in the spec of package System.Task_Info in the runtime
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library.
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@node package System.Task_Info (s-tasinf.ads)
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@section package System.Task_Info (@file{s-tasinf.ads})
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@noindent
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This package provides target dependent functionality that is used
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to support the @code{Task_Info} pragma. The predefined Ada package
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@code{System.Multiprocessors} and the @code{CPU} aspect now provide a
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standard replacement for GNAT's @code{Task_Info} functionality.
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@include fdl.texi
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@c GNU Free Documentation License
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@ -22873,14 +22873,7 @@ stack overflow.) On OpenVMS Alpha systems, if the pragma
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area is created. In the absence of a pragma @code{TASK_STORAGE},
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a default guard area is created.
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GNAT supplies the following task-related pragmas:
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@itemize @bullet
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@item @code{TASK_INFO}
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This pragma appears within a task definition and
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applies to the task in which it appears. The argument
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must be of type @code{SYSTEM.TASK_INFO.TASK_INFO_TYPE}.
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GNAT supplies the following task-related pragma:
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@item @code{TASK_STORAGE}
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@ -23075,8 +23068,6 @@ following:
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@item @code{SOURCE_REFERENCE}
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@item @code{TASK_INFO}
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@item @code{UNCHECKED_UNION}
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@item @code{UNIMPLEMENTED_UNIT}
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@ -31,17 +31,19 @@
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------------------------------------------------------------------------------
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pragma Polling (Off);
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-- Turn off polling, we do not want ATC polling to take place during
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-- tasking operations. It causes infinite loops and other problems.
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-- Turn off polling, we do not want ATC polling to take place during tasking
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-- operations. It causes infinite loops and other problems.
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with System.Task_Primitives.Operations;
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with System.Parameters;
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with System.Traces;
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with System.Soft_Links.Tasking;
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with System.Secondary_Stack; pragma Elaborate_All (System.Secondary_Stack);
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with System.Secondary_Stack;
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pragma Elaborate_All (System.Secondary_Stack);
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pragma Unreferenced (System.Secondary_Stack);
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-- Make sure the body of Secondary_Stack is elaborated before calling
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-- Init_Tasking_Soft_Links.
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-- Init_Tasking_Soft_Links. See comments for this routine for explanation.
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package body System.Tasking.Protected_Objects is
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@ -49,9 +49,10 @@ with System.Task_Primitives.Operations;
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with System.Soft_Links.Tasking;
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with System.Storage_Elements;
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with System.Secondary_Stack; pragma Elaborate_All (System.Secondary_Stack);
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with System.Secondary_Stack;
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pragma Elaborate_All (System.Secondary_Stack);
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-- Make sure the body of Secondary_Stack is elaborated before calling
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-- Init_Tasking_Soft_Links.
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-- Init_Tasking_Soft_Links. See comments for this routine for explanation.
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with System.Soft_Links;
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-- Used for the non-tasking routines (*_NT) that refer to global data. They
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2007-2012, Free Software Foundation, Inc. --
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-- Copyright (C) 2007-2014, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -36,14 +36,15 @@
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-- Note: the compiler generates direct calls to this interface, via Rtsfind.
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-- Any changes to this interface may require corresponding compiler changes.
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-- This unit may be used directly from an application program by providing
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-- an appropriate WITH, and the interface can be expected to remain stable.
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-- The functionality in this unit is now provided by the predefined package
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-- System.Multiprocessors and the CPU aspect. This package is obsolescent.
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-- This is the GNU/Linux version of this module
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with System.OS_Interface;
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package System.Task_Info is
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pragma Obsolescent (Task_Info, "use System.Multiprocessors and CPU aspect");
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pragma Preelaborate;
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pragma Elaborate_Body;
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-- To ensure that a body is allowed
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2007-2009, Free Software Foundation, Inc. --
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-- Copyright (C) 2007-2014, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -36,14 +36,15 @@
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-- Note: the compiler generates direct calls to this interface, via Rtsfind.
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-- Any changes to this interface may require corresponding compiler changes.
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-- This unit may be used directly from an application program by providing
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-- an appropriate WITH, and the interface can be expected to remain stable.
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-- The functionality in this unit is now provided by the predefined package
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-- System.Multiprocessors and the CPU aspect. This package is obsolescent.
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-- This is the Windows (native) version of this module
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with System.Win32;
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package System.Task_Info is
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pragma Obsolescent (Task_Info, "use System.Multiprocessors and CPU aspect");
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pragma Preelaborate;
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pragma Elaborate_Body;
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-- To ensure that a body is allowed
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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-- Copyright (C) 1992-2014, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -36,14 +36,15 @@
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-- Note: the compiler generates direct calls to this interface, via Rtsfind.
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-- Any changes to this interface may require corresponding compiler changes.
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-- This unit may be used directly from an application program by providing
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-- an appropriate WITH, and the interface can be expected to remain stable.
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-- The functionality in this unit is now provided by the predefined package
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-- System.Multiprocessors and the CPU aspect. This package is obsolescent.
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-- This is the Solaris (native) version of this module
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with System.OS_Interface;
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package System.Task_Info is
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pragma Obsolescent (Task_Info, "use System.Multiprocessors and CPU aspect");
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pragma Preelaborate;
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pragma Elaborate_Body;
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-- To ensure that a body is allowed
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2011, Free Software Foundation, Inc. --
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-- Copyright (C) 1992-2014, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -36,14 +36,15 @@
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-- Note: the compiler generates direct calls to this interface, via Rtsfind.
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-- Any changes to this interface may require corresponding compiler changes.
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-- This unit may be used directly from an application program by providing
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-- an appropriate WITH, and the interface can be expected to remain stable.
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-- The functionality in this unit is now provided by the predefined package
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-- System.Multiprocessors and the CPU aspect. This package is obsolescent.
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-- This is the VxWorks version of this package
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with Interfaces.C;
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package System.Task_Info is
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pragma Obsolescent (Task_Info, "use System.Multiprocessors and CPU aspect");
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pragma Preelaborate;
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pragma Elaborate_Body;
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-- To ensure that a body is allowed
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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-- Copyright (C) 1992-2014, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -36,10 +36,11 @@
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-- Note: the compiler generates direct calls to this interface, via Rtsfind.
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-- Any changes to this interface may require corresponding compiler changes.
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-- This unit may be used directly from an application program by providing
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-- an appropriate WITH, and the interface can be expected to remain stable.
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-- The functionality in this unit is now provided by the predefined package
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-- System.Multiprocessors and the CPU aspect. This package is obsolescent.
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package System.Task_Info is
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pragma Obsolescent (Task_Info, "use System.Multiprocessors and CPU aspect");
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pragma Preelaborate;
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pragma Elaborate_Body;
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-- To ensure that a body is allowed
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@ -47,10 +47,11 @@ with System.Soft_Links.Tasking;
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with System.Tasking.Debug;
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with System.Parameters;
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with System.Secondary_Stack; pragma Elaborate_All (System.Secondary_Stack);
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with System.Secondary_Stack;
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pragma Elaborate_All (System.Secondary_Stack);
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pragma Unreferenced (System.Secondary_Stack);
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-- Make sure the body of Secondary_Stack is elaborated before calling
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-- Init_Tasking_Soft_Links.
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-- Init_Tasking_Soft_Links. See comments for this routine for explanation.
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package body System.Tasking.Initialization is
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@ -20519,6 +20519,12 @@ package body Sem_Prag is
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begin
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GNAT_Pragma;
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if Warn_On_Obsolescent_Feature then
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Error_Msg_N
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("'G'N'A'T pragma Task_Info is now obsolete, use 'C'P'U "
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& "instead?j?", N);
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end if;
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if Nkind (P) /= N_Task_Definition then
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Error_Pragma ("pragma% must appear in task definition");
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end if;
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