with System.OS_Interface;
with System.Parameters;
with System.Tasking;
with Unchecked_Conversion;
with System.Soft_Links;
package body System.Task_Primitives.Operations.DEC is
use System.OS_Interface;
use System.Parameters;
use System.Tasking;
use System.Aux_DEC;
use type Interfaces.C.int;
package SSL renames System.Soft_Links;
type FAB_RAB_Type is record
CTX : Unsigned_Longword;
end record;
for FAB_RAB_Type use record
CTX at 24 range 0 .. 31;
end record;
for FAB_RAB_Type'Size use 224;
type FAB_RAB_Access_Type is access all FAB_RAB_Type;
pragma Warnings (Off);
function To_Unsigned_Longword is new
Unchecked_Conversion (Task_Id, Unsigned_Longword);
function To_Task_Id is new
Unchecked_Conversion (Unsigned_Longword, Task_Id);
pragma Warnings (On);
function To_FAB_RAB is new
Unchecked_Conversion (Address, FAB_RAB_Access_Type);
procedure Interrupt_AST_Handler (ID : Address) is
Result : Interfaces.C.int;
AST_Self_ID : constant Task_Id := To_Task_Id (ID);
begin
Result := pthread_cond_signal_int_np (AST_Self_ID.Common.LL.CV'Access);
pragma Assert (Result = 0);
end Interrupt_AST_Handler;
procedure RMS_AST_Handler (ID : Address) is
AST_Self_ID : constant Task_Id := To_Task_Id (To_FAB_RAB (ID).CTX);
Result : Interfaces.C.int;
begin
AST_Self_ID.Common.LL.AST_Pending := False;
Result := pthread_cond_signal_int_np (AST_Self_ID.Common.LL.CV'Access);
pragma Assert (Result = 0);
end RMS_AST_Handler;
function Self return Unsigned_Longword is
Self_ID : constant Task_Id := Self;
begin
Self_ID.Common.LL.AST_Pending := True;
return To_Unsigned_Longword (Self);
end Self;
procedure Starlet_AST_Handler (ID : Address) is
Result : Interfaces.C.int;
AST_Self_ID : constant Task_Id := To_Task_Id (ID);
begin
AST_Self_ID.Common.LL.AST_Pending := False;
Result := pthread_cond_signal_int_np (AST_Self_ID.Common.LL.CV'Access);
pragma Assert (Result = 0);
end Starlet_AST_Handler;
procedure Task_Synch is
Synch_Self_ID : constant Task_Id := Self;
begin
if Single_Lock then
Lock_RTS;
else
Write_Lock (Synch_Self_ID);
end if;
SSL.Abort_Defer.all;
Synch_Self_ID.Common.State := AST_Server_Sleep;
while Synch_Self_ID.Common.LL.AST_Pending loop
Sleep (Synch_Self_ID, AST_Server_Sleep);
end loop;
Synch_Self_ID.Common.State := Runnable;
if Single_Lock then
Unlock_RTS;
else
Unlock (Synch_Self_ID);
end if;
SSL.Abort_Undefer.all;
end Task_Synch;
end System.Task_Primitives.Operations.DEC;