+2011-08-31 Robert Dewar <dewar@adacore.com>
+
+ * s-taprop-vxworks.adb, sem_ch5.adb, s-taprop-tru64.adb, exp_alfa.adb,
+ s-taprop-vms.adb, bindgen.adb, s-mudido.adb, s-mudido.ads,
+ sem_res.adb, expander.adb, s-taprop-mingw.adb, s-taprop-linux.adb,
+ s-taprop-solaris.adb, s-mudido-affinity.adb, vms_conv.adb,
+ s-taprop-irix.adb, s-taprop.ads, s-taskin.adb, s-taskin.ads,
+ s-taprop-hpux-dce.adb, a-chtgbo.adb, s-taprop-posix.adb: Minor
+ reformatting.
+
2011-08-31 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch12 (Check_Private_View): Revert previous change.
N : Nodes_Type renames HT.Nodes;
begin
+ -- This subprogram "deallocates" a node by relinking the node off of the
+ -- active list and onto the free list. Previously it would flag index
+ -- value 0 as an error. The precondition was weakened, so that index
+ -- value 0 is now allowed, and this value is interpreted to mean "do
+ -- nothing". This makes its behavior analogous to the behavior of
+ -- Ada.Unchecked_Conversion, and allows callers to avoid having to add
+ -- special-case checks at the point of call.
+
if X = 0 then
return;
end if;
-- Local Subprograms --
-----------------------
- procedure Check_File_In_Partition (File_Name : String; Flag : out Boolean);
+ procedure Check_File_In_Partition
+ (File_Name : String;
+ Flag : out Boolean);
-- If the file indicated by File_Name is in the partition the Flag is set
-- to True, False otherwise.
-----------------------------
procedure Check_File_In_Partition
- (File_Name : String; Flag : out Boolean) is
+ (File_Name : String;
+ Flag : out Boolean)
+ is
begin
for J in Units.First .. Units.Last loop
if Get_Name_String (Units.Table (J).Sfile) = File_Name then
procedure Expand_Alfa_Call (N : Node_Id);
-- This procedure contains common processing for function and procedure
-- calls:
- -- * expansion of actuals to introduce necessary temporaries
- -- * replacement of renaming by subprogram renamed
+ -- * expansion of actuals to introduce necessary temporaries
+ -- * replacement of renaming by subprogram renamed
procedure Expand_Alfa_N_Attribute_Reference (N : Node_Id);
-- Expand attributes 'Old and 'Result only
when others =>
null;
-
end case;
end Expand_Alfa;
-- --
------------------------------------------------------------------------------
-with Atree; use Atree;
-with Debug_A; use Debug_A;
-with Errout; use Errout;
-with Exp_Aggr; use Exp_Aggr;
-with Exp_Alfa; use Exp_Alfa;
-with Exp_Attr; use Exp_Attr;
-with Exp_Ch2; use Exp_Ch2;
-with Exp_Ch3; use Exp_Ch3;
-with Exp_Ch4; use Exp_Ch4;
-with Exp_Ch5; use Exp_Ch5;
-with Exp_Ch6; use Exp_Ch6;
-with Exp_Ch7; use Exp_Ch7;
-with Exp_Ch8; use Exp_Ch8;
-with Exp_Ch9; use Exp_Ch9;
-with Exp_Ch11; use Exp_Ch11;
-with Exp_Ch12; use Exp_Ch12;
-with Exp_Ch13; use Exp_Ch13;
-with Exp_Prag; use Exp_Prag;
-with Opt; use Opt;
-with Rtsfind; use Rtsfind;
-with Sem; use Sem;
-with Sem_Ch8; use Sem_Ch8;
-with Sem_Util; use Sem_Util;
-with Sinfo; use Sinfo;
+with Atree; use Atree;
+with Debug_A; use Debug_A;
+with Errout; use Errout;
+with Exp_Aggr; use Exp_Aggr;
+with Exp_Alfa; use Exp_Alfa;
+with Exp_Attr; use Exp_Attr;
+with Exp_Ch2; use Exp_Ch2;
+with Exp_Ch3; use Exp_Ch3;
+with Exp_Ch4; use Exp_Ch4;
+with Exp_Ch5; use Exp_Ch5;
+with Exp_Ch6; use Exp_Ch6;
+with Exp_Ch7; use Exp_Ch7;
+with Exp_Ch8; use Exp_Ch8;
+with Exp_Ch9; use Exp_Ch9;
+with Exp_Ch11; use Exp_Ch11;
+with Exp_Ch12; use Exp_Ch12;
+with Exp_Ch13; use Exp_Ch13;
+with Exp_Prag; use Exp_Prag;
+with Opt; use Opt;
+with Rtsfind; use Rtsfind;
+with Sem; use Sem;
+with Sem_Ch8; use Sem_Ch8;
+with Sem_Util; use Sem_Util;
+with Sinfo; use Sinfo;
with Table;
package body Expander is
else
Debug_A_Entry ("expanding ", N);
- -- Processing depends on node kind. For full details on the expansion
- -- activity required in each case, see bodies of corresponding expand
- -- routines.
-
begin
+ -- In ALFA mode we only need a very limited subset of the usual
+ -- expansions. This limited subset is implemented in Expand_Alfa.
+
if ALFA_Mode then
Expand_Alfa (N);
+ -- Here for normal non-ALFA mode
+
else
+ -- Processing depends on node kind. For full details on the
+ -- expansion activity required in each case, see bodies of
+ -- corresponding expand routines.
case Nkind (N) is
- when N_Abort_Statement =>
- Expand_N_Abort_Statement (N);
+ when N_Abort_Statement =>
+ Expand_N_Abort_Statement (N);
- when N_Accept_Statement =>
- Expand_N_Accept_Statement (N);
+ when N_Accept_Statement =>
+ Expand_N_Accept_Statement (N);
- when N_Aggregate =>
- Expand_N_Aggregate (N);
+ when N_Aggregate =>
+ Expand_N_Aggregate (N);
- when N_Allocator =>
- Expand_N_Allocator (N);
+ when N_Allocator =>
+ Expand_N_Allocator (N);
- when N_And_Then =>
- Expand_N_And_Then (N);
+ when N_And_Then =>
+ Expand_N_And_Then (N);
- when N_Assignment_Statement =>
- Expand_N_Assignment_Statement (N);
+ when N_Assignment_Statement =>
+ Expand_N_Assignment_Statement (N);
- when N_Asynchronous_Select =>
- Expand_N_Asynchronous_Select (N);
+ when N_Asynchronous_Select =>
+ Expand_N_Asynchronous_Select (N);
- when N_Attribute_Definition_Clause =>
- Expand_N_Attribute_Definition_Clause (N);
+ when N_Attribute_Definition_Clause =>
+ Expand_N_Attribute_Definition_Clause (N);
- when N_Attribute_Reference =>
- Expand_N_Attribute_Reference (N);
+ when N_Attribute_Reference =>
+ Expand_N_Attribute_Reference (N);
- when N_Block_Statement =>
- Expand_N_Block_Statement (N);
+ when N_Block_Statement =>
+ Expand_N_Block_Statement (N);
- when N_Case_Expression =>
- Expand_N_Case_Expression (N);
+ when N_Case_Expression =>
+ Expand_N_Case_Expression (N);
- when N_Case_Statement =>
- Expand_N_Case_Statement (N);
+ when N_Case_Statement =>
+ Expand_N_Case_Statement (N);
- when N_Conditional_Entry_Call =>
- Expand_N_Conditional_Entry_Call (N);
+ when N_Conditional_Entry_Call =>
+ Expand_N_Conditional_Entry_Call (N);
- when N_Conditional_Expression =>
- Expand_N_Conditional_Expression (N);
+ when N_Conditional_Expression =>
+ Expand_N_Conditional_Expression (N);
- when N_Delay_Relative_Statement =>
- Expand_N_Delay_Relative_Statement (N);
+ when N_Delay_Relative_Statement =>
+ Expand_N_Delay_Relative_Statement (N);
- when N_Delay_Until_Statement =>
- Expand_N_Delay_Until_Statement (N);
+ when N_Delay_Until_Statement =>
+ Expand_N_Delay_Until_Statement (N);
- when N_Entry_Body =>
- Expand_N_Entry_Body (N);
+ when N_Entry_Body =>
+ Expand_N_Entry_Body (N);
- when N_Entry_Call_Statement =>
- Expand_N_Entry_Call_Statement (N);
+ when N_Entry_Call_Statement =>
+ Expand_N_Entry_Call_Statement (N);
- when N_Entry_Declaration =>
- Expand_N_Entry_Declaration (N);
+ when N_Entry_Declaration =>
+ Expand_N_Entry_Declaration (N);
- when N_Exception_Declaration =>
- Expand_N_Exception_Declaration (N);
+ when N_Exception_Declaration =>
+ Expand_N_Exception_Declaration (N);
- when N_Exception_Renaming_Declaration =>
- Expand_N_Exception_Renaming_Declaration (N);
+ when N_Exception_Renaming_Declaration =>
+ Expand_N_Exception_Renaming_Declaration (N);
- when N_Exit_Statement =>
- Expand_N_Exit_Statement (N);
+ when N_Exit_Statement =>
+ Expand_N_Exit_Statement (N);
- when N_Expanded_Name =>
- Expand_N_Expanded_Name (N);
+ when N_Expanded_Name =>
+ Expand_N_Expanded_Name (N);
- when N_Explicit_Dereference =>
- Expand_N_Explicit_Dereference (N);
+ when N_Explicit_Dereference =>
+ Expand_N_Explicit_Dereference (N);
- when N_Expression_With_Actions =>
- Expand_N_Expression_With_Actions (N);
+ when N_Expression_With_Actions =>
+ Expand_N_Expression_With_Actions (N);
- when N_Extended_Return_Statement =>
- Expand_N_Extended_Return_Statement (N);
+ when N_Extended_Return_Statement =>
+ Expand_N_Extended_Return_Statement (N);
- when N_Extension_Aggregate =>
- Expand_N_Extension_Aggregate (N);
+ when N_Extension_Aggregate =>
+ Expand_N_Extension_Aggregate (N);
- when N_Free_Statement =>
- Expand_N_Free_Statement (N);
+ when N_Free_Statement =>
+ Expand_N_Free_Statement (N);
- when N_Freeze_Entity =>
- Expand_N_Freeze_Entity (N);
+ when N_Freeze_Entity =>
+ Expand_N_Freeze_Entity (N);
- when N_Full_Type_Declaration =>
- Expand_N_Full_Type_Declaration (N);
+ when N_Full_Type_Declaration =>
+ Expand_N_Full_Type_Declaration (N);
- when N_Function_Call =>
- Expand_N_Function_Call (N);
+ when N_Function_Call =>
+ Expand_N_Function_Call (N);
- when N_Generic_Instantiation =>
- Expand_N_Generic_Instantiation (N);
+ when N_Generic_Instantiation =>
+ Expand_N_Generic_Instantiation (N);
- when N_Goto_Statement =>
- Expand_N_Goto_Statement (N);
+ when N_Goto_Statement =>
+ Expand_N_Goto_Statement (N);
- when N_Handled_Sequence_Of_Statements =>
- Expand_N_Handled_Sequence_Of_Statements (N);
+ when N_Handled_Sequence_Of_Statements =>
+ Expand_N_Handled_Sequence_Of_Statements (N);
- when N_Identifier =>
- Expand_N_Identifier (N);
+ when N_Identifier =>
+ Expand_N_Identifier (N);
- when N_Indexed_Component =>
- Expand_N_Indexed_Component (N);
+ when N_Indexed_Component =>
+ Expand_N_Indexed_Component (N);
- when N_If_Statement =>
- Expand_N_If_Statement (N);
+ when N_If_Statement =>
+ Expand_N_If_Statement (N);
- when N_In =>
- Expand_N_In (N);
+ when N_In =>
+ Expand_N_In (N);
- when N_Loop_Statement =>
- Expand_N_Loop_Statement (N);
+ when N_Loop_Statement =>
+ Expand_N_Loop_Statement (N);
- when N_Not_In =>
- Expand_N_Not_In (N);
+ when N_Not_In =>
+ Expand_N_Not_In (N);
- when N_Null =>
- Expand_N_Null (N);
+ when N_Null =>
+ Expand_N_Null (N);
- when N_Object_Declaration =>
- Expand_N_Object_Declaration (N);
+ when N_Object_Declaration =>
+ Expand_N_Object_Declaration (N);
- when N_Object_Renaming_Declaration =>
- Expand_N_Object_Renaming_Declaration (N);
+ when N_Object_Renaming_Declaration =>
+ Expand_N_Object_Renaming_Declaration (N);
- when N_Op_Add =>
- Expand_N_Op_Add (N);
+ when N_Op_Add =>
+ Expand_N_Op_Add (N);
- when N_Op_Abs =>
- Expand_N_Op_Abs (N);
+ when N_Op_Abs =>
+ Expand_N_Op_Abs (N);
- when N_Op_And =>
- Expand_N_Op_And (N);
+ when N_Op_And =>
+ Expand_N_Op_And (N);
- when N_Op_Concat =>
- Expand_N_Op_Concat (N);
+ when N_Op_Concat =>
+ Expand_N_Op_Concat (N);
- when N_Op_Divide =>
- Expand_N_Op_Divide (N);
+ when N_Op_Divide =>
+ Expand_N_Op_Divide (N);
- when N_Op_Eq =>
- Expand_N_Op_Eq (N);
+ when N_Op_Eq =>
+ Expand_N_Op_Eq (N);
- when N_Op_Expon =>
- Expand_N_Op_Expon (N);
+ when N_Op_Expon =>
+ Expand_N_Op_Expon (N);
- when N_Op_Ge =>
- Expand_N_Op_Ge (N);
+ when N_Op_Ge =>
+ Expand_N_Op_Ge (N);
- when N_Op_Gt =>
- Expand_N_Op_Gt (N);
+ when N_Op_Gt =>
+ Expand_N_Op_Gt (N);
- when N_Op_Le =>
- Expand_N_Op_Le (N);
+ when N_Op_Le =>
+ Expand_N_Op_Le (N);
- when N_Op_Lt =>
- Expand_N_Op_Lt (N);
+ when N_Op_Lt =>
+ Expand_N_Op_Lt (N);
- when N_Op_Minus =>
- Expand_N_Op_Minus (N);
+ when N_Op_Minus =>
+ Expand_N_Op_Minus (N);
- when N_Op_Mod =>
- Expand_N_Op_Mod (N);
+ when N_Op_Mod =>
+ Expand_N_Op_Mod (N);
- when N_Op_Multiply =>
- Expand_N_Op_Multiply (N);
+ when N_Op_Multiply =>
+ Expand_N_Op_Multiply (N);
- when N_Op_Ne =>
- Expand_N_Op_Ne (N);
+ when N_Op_Ne =>
+ Expand_N_Op_Ne (N);
- when N_Op_Not =>
- Expand_N_Op_Not (N);
+ when N_Op_Not =>
+ Expand_N_Op_Not (N);
- when N_Op_Or =>
- Expand_N_Op_Or (N);
+ when N_Op_Or =>
+ Expand_N_Op_Or (N);
- when N_Op_Plus =>
- Expand_N_Op_Plus (N);
+ when N_Op_Plus =>
+ Expand_N_Op_Plus (N);
- when N_Op_Rem =>
- Expand_N_Op_Rem (N);
+ when N_Op_Rem =>
+ Expand_N_Op_Rem (N);
- when N_Op_Rotate_Left =>
- Expand_N_Op_Rotate_Left (N);
+ when N_Op_Rotate_Left =>
+ Expand_N_Op_Rotate_Left (N);
- when N_Op_Rotate_Right =>
- Expand_N_Op_Rotate_Right (N);
+ when N_Op_Rotate_Right =>
+ Expand_N_Op_Rotate_Right (N);
- when N_Op_Shift_Left =>
- Expand_N_Op_Shift_Left (N);
+ when N_Op_Shift_Left =>
+ Expand_N_Op_Shift_Left (N);
- when N_Op_Shift_Right =>
- Expand_N_Op_Shift_Right (N);
+ when N_Op_Shift_Right =>
+ Expand_N_Op_Shift_Right (N);
- when N_Op_Shift_Right_Arithmetic =>
- Expand_N_Op_Shift_Right_Arithmetic (N);
+ when N_Op_Shift_Right_Arithmetic =>
+ Expand_N_Op_Shift_Right_Arithmetic (N);
- when N_Op_Subtract =>
- Expand_N_Op_Subtract (N);
+ when N_Op_Subtract =>
+ Expand_N_Op_Subtract (N);
- when N_Op_Xor =>
- Expand_N_Op_Xor (N);
+ when N_Op_Xor =>
+ Expand_N_Op_Xor (N);
- when N_Or_Else =>
- Expand_N_Or_Else (N);
+ when N_Or_Else =>
+ Expand_N_Or_Else (N);
- when N_Package_Body =>
- Expand_N_Package_Body (N);
+ when N_Package_Body =>
+ Expand_N_Package_Body (N);
- when N_Package_Declaration =>
- Expand_N_Package_Declaration (N);
+ when N_Package_Declaration =>
+ Expand_N_Package_Declaration (N);
- when N_Package_Renaming_Declaration =>
- Expand_N_Package_Renaming_Declaration (N);
+ when N_Package_Renaming_Declaration =>
+ Expand_N_Package_Renaming_Declaration (N);
- when N_Subprogram_Renaming_Declaration =>
- Expand_N_Subprogram_Renaming_Declaration (N);
+ when N_Subprogram_Renaming_Declaration =>
+ Expand_N_Subprogram_Renaming_Declaration (N);
- when N_Pragma =>
- Expand_N_Pragma (N);
+ when N_Pragma =>
+ Expand_N_Pragma (N);
- when N_Procedure_Call_Statement =>
- Expand_N_Procedure_Call_Statement (N);
+ when N_Procedure_Call_Statement =>
+ Expand_N_Procedure_Call_Statement (N);
- when N_Protected_Type_Declaration =>
- Expand_N_Protected_Type_Declaration (N);
+ when N_Protected_Type_Declaration =>
+ Expand_N_Protected_Type_Declaration (N);
- when N_Protected_Body =>
- Expand_N_Protected_Body (N);
+ when N_Protected_Body =>
+ Expand_N_Protected_Body (N);
- when N_Qualified_Expression =>
- Expand_N_Qualified_Expression (N);
+ when N_Qualified_Expression =>
+ Expand_N_Qualified_Expression (N);
- when N_Quantified_Expression =>
- Expand_N_Quantified_Expression (N);
+ when N_Quantified_Expression =>
+ Expand_N_Quantified_Expression (N);
- when N_Raise_Statement =>
- Expand_N_Raise_Statement (N);
+ when N_Raise_Statement =>
+ Expand_N_Raise_Statement (N);
- when N_Raise_Constraint_Error =>
- Expand_N_Raise_Constraint_Error (N);
+ when N_Raise_Constraint_Error =>
+ Expand_N_Raise_Constraint_Error (N);
- when N_Raise_Program_Error =>
- Expand_N_Raise_Program_Error (N);
+ when N_Raise_Program_Error =>
+ Expand_N_Raise_Program_Error (N);
- when N_Raise_Storage_Error =>
- Expand_N_Raise_Storage_Error (N);
+ when N_Raise_Storage_Error =>
+ Expand_N_Raise_Storage_Error (N);
- when N_Real_Literal =>
- Expand_N_Real_Literal (N);
+ when N_Real_Literal =>
+ Expand_N_Real_Literal (N);
- when N_Record_Representation_Clause =>
- Expand_N_Record_Representation_Clause (N);
+ when N_Record_Representation_Clause =>
+ Expand_N_Record_Representation_Clause (N);
- when N_Requeue_Statement =>
- Expand_N_Requeue_Statement (N);
+ when N_Requeue_Statement =>
+ Expand_N_Requeue_Statement (N);
- when N_Simple_Return_Statement =>
- Expand_N_Simple_Return_Statement (N);
+ when N_Simple_Return_Statement =>
+ Expand_N_Simple_Return_Statement (N);
- when N_Selected_Component =>
- Expand_N_Selected_Component (N);
+ when N_Selected_Component =>
+ Expand_N_Selected_Component (N);
- when N_Selective_Accept =>
- Expand_N_Selective_Accept (N);
+ when N_Selective_Accept =>
+ Expand_N_Selective_Accept (N);
- when N_Single_Task_Declaration =>
- Expand_N_Single_Task_Declaration (N);
+ when N_Single_Task_Declaration =>
+ Expand_N_Single_Task_Declaration (N);
- when N_Slice =>
- Expand_N_Slice (N);
+ when N_Slice =>
+ Expand_N_Slice (N);
- when N_Subtype_Indication =>
- Expand_N_Subtype_Indication (N);
+ when N_Subtype_Indication =>
+ Expand_N_Subtype_Indication (N);
- when N_Subprogram_Body =>
- Expand_N_Subprogram_Body (N);
+ when N_Subprogram_Body =>
+ Expand_N_Subprogram_Body (N);
- when N_Subprogram_Body_Stub =>
- Expand_N_Subprogram_Body_Stub (N);
+ when N_Subprogram_Body_Stub =>
+ Expand_N_Subprogram_Body_Stub (N);
- when N_Subprogram_Declaration =>
- Expand_N_Subprogram_Declaration (N);
+ when N_Subprogram_Declaration =>
+ Expand_N_Subprogram_Declaration (N);
- when N_Subprogram_Info =>
- Expand_N_Subprogram_Info (N);
+ when N_Subprogram_Info =>
+ Expand_N_Subprogram_Info (N);
- when N_Task_Body =>
- Expand_N_Task_Body (N);
+ when N_Task_Body =>
+ Expand_N_Task_Body (N);
- when N_Task_Type_Declaration =>
- Expand_N_Task_Type_Declaration (N);
+ when N_Task_Type_Declaration =>
+ Expand_N_Task_Type_Declaration (N);
- when N_Timed_Entry_Call =>
- Expand_N_Timed_Entry_Call (N);
+ when N_Timed_Entry_Call =>
+ Expand_N_Timed_Entry_Call (N);
- when N_Type_Conversion =>
- Expand_N_Type_Conversion (N);
+ when N_Type_Conversion =>
+ Expand_N_Type_Conversion (N);
- when N_Unchecked_Expression =>
- Expand_N_Unchecked_Expression (N);
+ when N_Unchecked_Expression =>
+ Expand_N_Unchecked_Expression (N);
- when N_Unchecked_Type_Conversion =>
- Expand_N_Unchecked_Type_Conversion (N);
+ when N_Unchecked_Type_Conversion =>
+ Expand_N_Unchecked_Type_Conversion (N);
- when N_Variant_Part =>
- Expand_N_Variant_Part (N);
+ when N_Variant_Part =>
+ Expand_N_Variant_Part (N);
- -- For all other node kinds, no expansion activity is required
+ -- For all other node kinds, no expansion activity required
- when others => null;
+ when others =>
+ null;
end case;
-
end if;
exception
-- Local data --
----------------
- Dispatching_Domain_Tasks :
- array (CPU'First .. Number_Of_CPUs) of Natural := (others => 0);
+ Dispatching_Domain_Tasks : array (CPU'First .. Number_Of_CPUs) of Natural :=
+ (others => 0);
-- We need to store whether there are tasks allocated to concrete
-- processors in the default system dispatching domain because we need to
-- check it before creating a new dispatching domain.
(Domain : in out Dispatching_Domain;
CPU : CPU_Range := Not_A_Specific_CPU;
T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
+ Ada.Task_Identification.Current_Task)
is
Target : constant ST.Task_Id := Convert_Ids (T);
use type System.Tasking.Task_Id;
Valid_System_Domain : constant Boolean :=
- (First > CPU'First and then
- not (System_Dispatching_Domain (CPU'First .. First - 1) =
- (CPU'First .. First - 1 => False)))
- or else
- (Last < Number_Of_CPUs and then
- not (System_Dispatching_Domain (Last + 1 .. Number_Of_CPUs) =
- (Last + 1 .. Number_Of_CPUs => False)));
+ (First > CPU'First
+ and then
+ not (System_Dispatching_Domain (CPU'First .. First - 1) =
+ (CPU'First .. First - 1 => False)))
+ or else (Last < Number_Of_CPUs
+ and then not
+ (System_Dispatching_Domain
+ (Last + 1 .. Number_Of_CPUs) =
+ (Last + 1 .. Number_Of_CPUs => False)));
-- Constant that indicates whether there would exist a non-empty system
-- dispatching domain after the creation of this dispatching domain.
-----------------------------
procedure Delay_Until_And_Set_CPU
- (Delay_Until_Time : Ada.Real_Time.Time; CPU : CPU_Range) is
+ (Delay_Until_Time : Ada.Real_Time.Time;
+ CPU : CPU_Range)
+ is
begin
-- Not supported atomically by the underlying operating systems.
-- Operating systems use to migrate the task immediately after the call
function Get_CPU
(T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
- return CPU_Range is
+ Ada.Task_Identification.Current_Task) return CPU_Range
+ is
begin
return Convert_Ids (T).Common.Base_CPU;
end Get_CPU;
function Get_Dispatching_Domain
(T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
- return Dispatching_Domain is
+ Ada.Task_Identification.Current_Task) return Dispatching_Domain
+ is
begin
return Dispatching_Domain (Convert_Ids (T).Common.Domain);
end Get_Dispatching_Domain;
procedure Set_CPU
(CPU : CPU_Range;
T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
+ Ada.Task_Identification.Current_Task)
is
Target : constant ST.Task_Id := Convert_Ids (T);
-- Change the number of tasks attached to a given task in the system
-- domain if needed.
- if not Dispatching_Domains_Frozen and then
- (Domain = null or else Domain = ST.System_Domain)
+ if not Dispatching_Domains_Frozen
+ and then (Domain = null or else Domain = ST.System_Domain)
then
-- Reduce the number of tasks attached to the CPU from which this
-- task is being moved, if needed.
(Domain : in out Dispatching_Domain;
CPU : CPU_Range := Not_A_Specific_CPU;
T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
+ Ada.Task_Identification.Current_Task)
is
pragma Unreferenced (Domain, CPU, T);
-
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
end Assign_Task;
function Create (First, Last : CPU) return Dispatching_Domain is
pragma Unreferenced (First, Last);
-
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
return System_Dispatching_Domain;
-----------------------------
procedure Delay_Until_And_Set_CPU
- (Delay_Until_Time : Ada.Real_Time.Time; CPU : CPU_Range)
+ (Delay_Until_Time : Ada.Real_Time.Time;
+ CPU : CPU_Range)
is
pragma Unreferenced (Delay_Until_Time, CPU);
-
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
end Delay_Until_And_Set_CPU;
function Get_CPU
(T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
- return CPU_Range
+ Ada.Task_Identification.Current_Task) return CPU_Range
is
pragma Unreferenced (T);
-
begin
return Not_A_Specific_CPU;
end Get_CPU;
function Get_Dispatching_Domain
(T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
- return Dispatching_Domain
+ Ada.Task_Identification.Current_Task) return Dispatching_Domain
is
pragma Unreferenced (T);
-
begin
return System_Dispatching_Domain;
end Get_Dispatching_Domain;
function Get_First_CPU (Domain : Dispatching_Domain) return CPU is
pragma Unreferenced (Domain);
-
begin
return CPU'First;
end Get_First_CPU;
function Get_Last_CPU (Domain : Dispatching_Domain) return CPU is
pragma Unreferenced (Domain);
-
begin
return Number_Of_CPUs;
end Get_Last_CPU;
procedure Set_CPU
(CPU : CPU_Range;
T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
+ Ada.Task_Identification.Current_Task)
is
pragma Unreferenced (CPU, T);
-
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
end Set_CPU;
function Get_Dispatching_Domain
(T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
- return Dispatching_Domain;
+ Ada.Task_Identification.Current_Task) return Dispatching_Domain;
procedure Assign_Task
(Domain : in out Dispatching_Domain;
CPU : CPU_Range := Not_A_Specific_CPU;
T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task);
+ Ada.Task_Identification.Current_Task);
procedure Set_CPU
(CPU : CPU_Range;
T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task);
+ Ada.Task_Identification.Current_Task);
function Get_CPU
(T : Ada.Task_Identification.Task_Id :=
- Ada.Task_Identification.Current_Task)
- return CPU_Range;
+ Ada.Task_Identification.Current_Task) return CPU_Range;
procedure Delay_Until_And_Set_CPU
- (Delay_Until_Time : Ada.Real_Time.Time; CPU : CPU_Range);
+ (Delay_Until_Time : Ada.Real_Time.Time;
+ CPU : CPU_Range);
private
type Dispatching_Domain is new System.Tasking.Dispatching_Domain_Access;
System_Dispatching_Domain : constant Dispatching_Domain :=
- Dispatching_Domain (System.Tasking.System_Domain);
+ Dispatching_Domain
+ (System.Tasking.System_Domain);
end System.Multiprocessors.Dispatching_Domains;
procedure Set_Task_Affinity (T : ST.Task_Id) is
pragma Unreferenced (T);
+
begin
-- Setting task affinity is not supported by the underlying system
procedure Set_Task_Affinity (T : ST.Task_Id) is
pragma Unreferenced (T);
+
begin
-- Setting task affinity is not supported by the underlying system
elsif T.Common.Domain /= null then
declare
CPU_Set : aliased cpu_set_t := (bits => (others => False));
+
begin
-- Set the affinity to all the processors belonging to the
-- dispatching domain.
if pthread_setaffinity_np'Address /= System.Null_Address then
declare
CPU_Set : access cpu_set_t := null;
-
Result : Interfaces.C.int;
begin
-- domain, if any.
if T.Common.Base_CPU /= Multiprocessors.Not_A_Specific_CPU then
+
-- Set the affinity to an unique CPU
CPU_Set := new cpu_set_t'(bits => (others => False));
-- Handle dispatching domains
elsif T.Common.Domain /= null and then
- (T.Common.Domain /= ST.System_Domain or else
- T.Common.Domain.all /= (Multiprocessors.CPU'First ..
- Multiprocessors.Number_Of_CPUs => True))
+ (T.Common.Domain /= ST.System_Domain
+ or else T.Common.Domain.all /=
+ (Multiprocessors.CPU'First ..
+ Multiprocessors.Number_Of_CPUs => True))
then
-- Set the affinity to all the processors belonging to the
-- dispatching domain. To avoid changing CPU affinities when
if CPU_Set /= null then
Result :=
pthread_setaffinity_np
- (T.Common.LL.Thread,
- CPU_SETSIZE / 8,
- CPU_Set);
+ (T.Common.LL.Thread, CPU_SETSIZE / 8, CPU_Set);
pragma Assert (Result = 0);
end if;
end;
procedure Set_True (S : in out Suspension_Object) is
Result : BOOL;
+
begin
SSL.Abort_Defer.all;
Result := SetEvent (S.CV);
pragma Assert (Result = Win32.TRUE);
+
else
S.State := True;
end if;
EnterCriticalSection (S.L'Access);
if S.Waiting then
+
-- Program_Error must be raised upon calling Suspend_Until_True
-- if another task is already waiting on that suspension object
-- (ARM D.10 par. 10).
SSL.Abort_Undefer.all;
raise Program_Error;
+
else
-- Suspend the task if the state is False. Otherwise, the task
-- continues its execution, and the state of the suspension object
LeaveCriticalSection (S.L'Access);
SSL.Abort_Undefer.all;
+
else
S.Waiting := True;
-- Check_Exit --
----------------
- -- Dummy versions. The only currently working versions is for solaris
- -- (native).
+ -- Dummy versions, currently this only works for solaris (native)
function Check_Exit (Self_ID : ST.Task_Id) return Boolean is
pragma Unreferenced (Self_ID);
-- The CPU numbering in pragma CPU starts at 1 while the subprogram
-- to set the affinity starts at 0, therefore we must substract 1.
- Result := SetThreadIdealProcessor
- (T.Common.LL.Thread, ProcessorId (T.Common.Base_CPU) - 1);
+ Result :=
+ SetThreadIdealProcessor
+ (T.Common.LL.Thread, ProcessorId (T.Common.Base_CPU) - 1);
pragma Assert (Result = 1);
-- Task_Info
-- Dispatching domains
- elsif T.Common.Domain /= null and then
- (T.Common.Domain /= ST.System_Domain or else
- T.Common.Domain.all /= (Multiprocessors.CPU'First ..
- Multiprocessors.Number_Of_CPUs => True))
+ elsif T.Common.Domain /= null
+ and then (T.Common.Domain /= ST.System_Domain
+ or else
+ T.Common.Domain.all /=
+ (Multiprocessors.CPU'First ..
+ Multiprocessors.Number_Of_CPUs => True))
then
declare
CPU_Set : DWORD := 0;
begin
for Proc in T.Common.Domain'Range loop
if T.Common.Domain (Proc) then
+
-- The thread affinity mask is a bit vector in which each
-- bit represents a logical processor.
procedure Set_Task_Affinity (T : ST.Task_Id) is
pragma Unreferenced (T);
+
begin
-- Setting task affinity is not supported by the underlying system
-- pragma CPU
if T.Common.Base_CPU /=
- System.Multiprocessors.Not_A_Specific_CPU
+ System.Multiprocessors.Not_A_Specific_CPU
then
-- The CPU numbering in pragma CPU starts at 1 while the subprogram
-- to set the affinity starts at 0, therefore we must substract 1.
if T.Common.Task_Info.CPU = ANY_CPU then
Result := 0;
+
Proc := 0;
while Proc < Last_Proc loop
Result := p_online (Proc, PR_STATUS);
then
raise Invalid_CPU_Number;
end if;
+
Result :=
processor_bind
(P_LWPID, id_t (T.Common.LL.LWP),
-- Handle dispatching domains
- elsif T.Common.Domain /= null and then
- (T.Common.Domain /= ST.System_Domain or else
- T.Common.Domain.all /= (Multiprocessors.CPU'First ..
- Multiprocessors.Number_Of_CPUs => True))
+ elsif T.Common.Domain /= null
+ and then (T.Common.Domain /= ST.System_Domain
+ or else T.Common.Domain.all /=
+ (Multiprocessors.CPU'First ..
+ Multiprocessors.Number_Of_CPUs => True))
then
declare
CPU_Set : aliased psetid_t;
-
- Result : int;
+ Result : int;
begin
Result := pset_create (CPU_Set'Access);
-- dispatching domain.
for Proc in T.Common.Domain'Range loop
+
-- The Ada CPU numbering starts at 1 while the subprogram to
- -- set the affinity starts at 0, therefore we must substract
- -- 1.
+ -- set the affinity starts at 0, therefore we must substract 1.
if T.Common.Domain (Proc) then
Result :=
procedure Set_Task_Affinity (T : ST.Task_Id) is
pragma Unreferenced (T);
+
begin
-- Setting task affinity is not supported by the underlying system
procedure Set_Task_Affinity (T : ST.Task_Id) is
pragma Unreferenced (T);
+
begin
-- Setting task affinity is not supported by the underlying system
-- pragma CPU
if T.Common.Base_CPU /= System.Multiprocessors.Not_A_Specific_CPU then
- -- Ada 2012 pragma CPU uses CPU numbers starting from 1, while
- -- on VxWorks the first CPU is identified by a 0, so we need to
- -- adjust.
+
+ -- Ada 2012 pragma CPU uses CPU numbers starting from 1, while on
+ -- VxWorks the first CPU is identified by a 0, so we need to adjust.
Result :=
taskCpuAffinitySet
-- Task_Info
elsif T.Common.Task_Info /= Unspecified_Task_Info then
- Result :=
- taskCpuAffinitySet (T.Common.LL.Thread, T.Common.Task_Info);
+ Result := taskCpuAffinitySet (T.Common.LL.Thread, T.Common.Task_Info);
-- Handle dispatching domains
- elsif T.Common.Domain /= null and then
- (T.Common.Domain /= ST.System_Domain or else
- T.Common.Domain.all /= (Multiprocessors.CPU'First ..
- Multiprocessors.Number_Of_CPUs => True))
+ elsif T.Common.Domain /= null
+ and then (T.Common.Domain /= ST.System_Domain
+ or else T.Common.Domain.all /=
+ (Multiprocessors.CPU'First ..
+ Multiprocessors.Number_Of_CPUs => True))
then
declare
CPU_Set : unsigned := 0;
+
begin
-- Set the affinity to all the processors belonging to the
-- dispatching domain.
for Proc in T.Common.Domain'Range loop
if T.Common.Domain (Proc) then
+
-- The thread affinity mask is a bit vector in which each
-- bit represents a logical processor.
end if;
end loop;
- Result :=
- taskMaskAffinitySet (T.Common.LL.Thread, CPU_Set);
+ Result := taskMaskAffinitySet (T.Common.LL.Thread, CPU_Set);
end;
end if;
end Set_Task_Affinity;
procedure Set_Task_Affinity (T : ST.Task_Id);
-- Enforce at the operating system level the task affinity defined in the
- -- Ada Task Control Block.
+ -- Ada Task Control Block. Has no effect if the underlying operating system
+ -- does not support this capability.
end System.Task_Primitives.Operations;
-- into account. Use Number_Of_CPUs to know the exact number of
-- processors in the system at execution time.
- System_Domain := new Dispatching_Domain'
- (Multiprocessors.CPU'First .. Multiprocessors.Number_Of_CPUs => True);
+ System_Domain :=
+ new Dispatching_Domain'
+ (Multiprocessors.CPU'First .. Multiprocessors.Number_Of_CPUs =>
+ True);
T.Common.Domain := System_Domain;
type Dispatching_Domain_Access is access Dispatching_Domain;
System_Domain : Dispatching_Domain_Access;
- -- All processors belong to the default system dispatching domain at start
- -- up.
+ -- All processors belong to default system dispatching domain at start up
------------------------------------
-- Task related other definitions --
function Storage_Size (T : Task_Id) return System.Parameters.Size_Type;
-- Retrieve from the TCB of the task the allocated size of its stack,
- -- either the system default or the size specified by a pragma. This
- -- is in general a non-static value that can depend on discriminants
- -- of the task.
+ -- either the system default or the size specified by a pragma. This is in
+ -- general a non-static value that can depend on discriminants of the task.
type Bit_Array is array (Integer range <>) of Boolean;
pragma Pack (Bit_Array);
subtype Debug_Event_Array is Bit_Array (1 .. 16);
Global_Task_Debug_Event_Set : Boolean := False;
- -- Set True when running under debugger control and a task debug
- -- event signal has been requested.
+ -- Set True when running under debugger control and a task debug event
+ -- signal has been requested.
----------------------------------------------
-- Ada_Task_Control_Block (ATCB) definition --
Analyze (Subt);
end if;
- -- If the domain of iteration is an expression, create a declaration
- -- for it, so that finalization actions are introduced outside of the
- -- loop.
+ -- If domain of iteration is an expression, create a declaration for it,
+ -- so that finalization actions are introduced outside of the loop.
if not Is_Entity_Name (Iter_Name) then
declare
- Id : constant Entity_Id := Make_Temporary (Loc, 'R', Iter_Name);
-
- Decl : Node_Id;
+ Id : constant Entity_Id := Make_Temporary (Loc, 'R', Iter_Name);
+ Decl : Node_Id;
begin
Typ := Etype (Iter_Name);
Resolve (Condition (N), Typ);
Expander_Mode_Restore;
- -- In ALFA mode, we need expansion in order to introduce properly the
- -- necessary transient scopes.
+ -- In ALFA mode, we need normal expansion in order to properly introduce
+ -- the necessary transient scopes.
else
Resolve (Condition (N), Typ);
-- because the corresponding switch --unchecked... is
-- for gnatmake, not for the compiler.
- if Cargs and then
- Sw.Name.all = "/UNCHECKED_SHARED_LIB_IMPORTS"
+ if Cargs
+ and then Sw.Name.all = "/UNCHECKED_SHARED_LIB_IMPORTS"
then
Cargs := False;
end if;
case Sw.Translation is
when T_Direct =>
Place_Unix_Switches (Sw.Unix_String);
+
if SwP < Arg'Last
and then Arg (SwP + 1) = '='
then
Arg_Idx := Argv'First;
Next_Arg_Idx :=
Get_Arg_End (Argv.all, Arg_Idx);
- Arg := new String'
- (Argv (Arg_Idx .. Next_Arg_Idx));
+ Arg :=
+ new String'(Argv (Arg_Idx .. Next_Arg_Idx));
goto Tryagain_After_Coalesce;
end if;
while P2 < Endp
and then Arg (P2 + 1) /= ','
loop
- -- A wildcard directory spec on
- -- VMS will contain either * or
- -- % or ...
+ -- A wildcard directory spec on VMS will
+ -- contain either * or % or ...
if Arg (P2) = '*' then
Dir_Is_Wild := True;
(Arg (SwP .. P2), True);
for J in Dir_List.all'Range loop
- Place_Unix_Switches
- (Sw.Unix_String);
- Place_Lower
- (Dir_List.all (J).all);
+ Place_Unix_Switches (Sw.Unix_String);
+ Place_Lower (Dir_List.all (J).all);
end loop;
else
- Place_Unix_Switches
- (Sw.Unix_String);
+ Place_Unix_Switches (Sw.Unix_String);
Place_Lower
(To_Canonical_Dir_Spec
(Arg (SwP .. P2), False).all);
else
Place_Unix_Switches (Sw.Unix_String);
- -- Some switches end in "=". No space
- -- here
+ -- Some switches end in "=", no space here
if Sw.Unix_String
- (Sw.Unix_String'Last) /= '='
+ (Sw.Unix_String'Last) /= '='
then
Place (' ');
end if;
Place_Lower
(To_Canonical_Dir_Spec
- (Arg (SwP + 2 .. Arg'Last),
- False).all);
+ (Arg (SwP + 2 .. Arg'Last), False).all);
end if;
when T_File | T_No_Space_File =>
if SwP + 2 > Arg'Last then
- Put (Standard_Error,
- "missing file for: ");
+ Put (Standard_Error, "missing file for: ");
Put_Line (Standard_Error, Arg.all);
Errors := Errors + 1;
else
Place_Unix_Switches (Sw.Unix_String);
- -- Some switches end in "=". No space
- -- here.
+ -- Some switches end in "=", no space here.
if Sw.Translation = T_File
and then Sw.Unix_String
- (Sw.Unix_String'Last) /= '='
+ (Sw.Unix_String'Last) /= '='
then
Place (' ');
end if;
else
Put (Standard_Error, "argument for ");
Put (Standard_Error, Sw.Name.all);
- Put_Line
- (Standard_Error, " must be numeric");
+ Put_Line (Standard_Error, " must be numeric");
Errors := Errors + 1;
end if;
when T_Alphanumplus =>
if OK_Alphanumerplus
- (Arg (SwP + 2 .. Arg'Last))
+ (Arg (SwP + 2 .. Arg'Last))
then
Place_Unix_Switches (Sw.Unix_String);
Place (Arg (SwP + 2 .. Arg'Last));
when T_String =>
- -- A String value must be extended to the
- -- end of the Argv, otherwise strings like
- -- "foo/bar" get split at the slash.
+ -- A String value must be extended to the end of
+ -- the Argv, otherwise strings like "foo/bar" get
+ -- split at the slash.
- -- The beginning and ending of the string
- -- are flagged with embedded nulls which
- -- are removed when building the Spawn
- -- call. Nulls are use because they won't
- -- show up in a /? output. Quotes aren't
- -- used because that would make it
+ -- The beginning and ending of the string are
+ -- flagged with embedded nulls which are removed
+ -- when building the Spawn call. Nulls are use
+ -- because they won't show up in a /? output.
+ -- Quotes aren't used because that would make it
-- difficult to embed them.
Place_Unix_Switches (Sw.Unix_String);
if Next_Arg_Idx /= Argv'Last then
Next_Arg_Idx := Argv'Last;
- Arg := new String'
- (Argv (Arg_Idx .. Next_Arg_Idx));
+ Arg :=
+ new String'(Argv (Arg_Idx .. Next_Arg_Idx));
SwP := Arg'First;
- while SwP < Arg'Last and then
- Arg (SwP + 1) /= '=' loop
+ while SwP < Arg'Last
+ and then Arg (SwP + 1) /= '='
+ loop
SwP := SwP + 1;
end loop;
end if;
Make_Commands_Active := null;
else
- -- Set source of new commands, also
- -- setting this non-null indicates that
- -- we are in the special commands mode
- -- for processing the -xargs case.
+ -- Set source of new commands, also setting this
+ -- non-null indicates that we are in the special
+ -- commands mode for processing the -xargs case.
Make_Commands_Active :=
Matching_Name
when T_Options =>
if SwP + 1 > Arg'Last then
- Place_Unix_Switches
- (Sw.Options.Unix_String);
+ Place_Unix_Switches (Sw.Options.Unix_String);
SwP := Endp + 1;
elsif Arg (SwP + 2) /= '(' then
while SwP <= Endp loop
P2 := SwP;
-
while P2 < Endp
and then Arg (P2 + 1) /= ','
loop
Sw.Options);
if Opt /= null then
- Place_Unix_Switches
- (Opt.Unix_String);
+ Place_Unix_Switches (Opt.Unix_String);
end if;
SwP := P2 + 2;
when T_Other =>
Place_Unix_Switches
- (new String'(Sw.Unix_String.all &
- Arg.all));
+ (new String'(Sw.Unix_String.all & Arg.all));
end case;
end if;
projects / platform / upstream / linaro-gcc.git / commitdiff