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Makefile.in: Switch VxWorks to s-interr-hwint.adb.

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* gcc-interface/Makefile.in: Switch VxWorks to s-interr-hwint.adb.

	* s-interr-vxworks.adb: Renamed to s-interr-hwint.adb

	* s-interr-hwint.adb: New file.

	* s-osinte-vxworks.ads, s-osinte-vxworks.adb: Add new functions
	needed by s-interr-hwint.adb.

	* s-osinte-vxworks-kernel.adb: New file.

From-SVN: r140147
This commit is contained in:
Arnaud Charlet 2008-09-09 15:01:51 +02:00
parent 22fb24d53a
commit e5c73177bf
6 changed files with 425 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
gcc/ada/ChangeLog
View File

@ -1,3 +1,17 @@
2008-09-09 Arnaud Charlet <charlet@adacore.com>
Joel Sherrill <joel.sherrill@oarcorp.com>
* gcc-interface/Makefile.in: Switch VxWorks to s-interr-hwint.adb.
* s-interr-vxworks.adb: Renamed to s-interr-hwint.adb
* s-interr-hwint.adb: New file.
* s-osinte-vxworks.ads, s-osinte-vxworks.adb: Add new functions
needed by s-interr-hwint.adb.
* s-osinte-vxworks-kernel.adb: New file.
2008-09-05 Joel Sherrill <joel.sherrill@oarcorp.com>
* s-stchop-rtems.adb: Add file missed in early commit. Already
@ -28,8 +42,8 @@
* checks.adb (Determine_Range): Deal with values that might be invalid
* opt.adb, opt.ads (Assume_No_Invalid_Values[_Config]): New configuration
switches.
* opt.adb, opt.ads (Assume_No_Invalid_Values[_Config]): New
configuration switches.
* par-prag.adb: Dummy entry for pragma Assume_No_Invalid_Values

24
gcc/ada/gcc-interface/Makefile.in
View File

@ -391,10 +391,10 @@ ifeq ($(strip $(filter-out m68k% wrs vx%,$(targ))),)
a-intnam.ads<a-intnam-vxworks.ads \
a-numaux.ads<a-numaux-vxworks.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-intman.ads<s-intman-vxworks.ads \
s-intman.adb<s-intman-vxworks.adb \
s-osinte.adb<s-osinte-vxworks.adb \
s-osinte.adb<s-osinte-vxworks-kernel.adb \
s-osinte.ads<s-osinte-vxworks.ads \
s-osprim.adb<s-osprim-vxworks.adb \
s-parame.ads<s-parame-vxworks.ads \
@ -472,7 +472,7 @@ ifeq ($(strip $(filter-out powerpc% wrs vxworks,$(targ))),)
EXTRA_GNATRTL_NONTASKING_OBJS=s-vxwexc.o
else
LIBGNAT_TARGET_PAIRS += \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-tpopsp.adb<s-tpopsp-vxworks.adb \
system.ads<system-vxworks-ppc.ads
@ -505,10 +505,10 @@ ifeq ($(strip $(filter-out powerpc% wrs vxworksae,$(targ))),)
g-io.adb<g-io-vxworks-ppc-cert.adb \
g-io.ads<g-io-vxworks-ppc-cert.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-intman.ads<s-intman-vxworks.ads \
s-intman.adb<s-intman-vxworks.adb \
s-osinte.adb<s-osinte-vxworks.adb \
s-osinte.adb<s-osinte-vxworks-kernel.adb \
s-osinte.ads<s-osinte-vxworks.ads \
s-osprim.adb<s-osprim-vxworks.adb \
s-parame.ads<s-parame-ae653.ads \
@ -551,10 +551,10 @@ ifeq ($(strip $(filter-out sparc% wrs vx%,$(targ))),)
a-intnam.ads<a-intnam-vxworks.ads \
a-numaux.ads<a-numaux-vxworks.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-intman.ads<s-intman-vxworks.ads \
s-intman.adb<s-intman-vxworks.adb \
s-osinte.adb<s-osinte-vxworks.adb \
s-osinte.adb<s-osinte-vxworks-kernel.adb \
s-osinte.ads<s-osinte-vxworks.ads \
s-osprim.adb<s-osprim-vxworks.adb \
s-parame.ads<s-parame-vxworks.ads \
@ -626,7 +626,7 @@ ifeq ($(strip $(filter-out %86 wrs vxworks,$(targ))),)
EXTRA_GNATRTL_NONTASKING_OBJS=s-vxwexc.o
else
LIBGNAT_TARGET_PAIRS += \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-tpopsp.adb<s-tpopsp-vxworks.adb \
system.ads<system-vxworks-x86.ads
@ -654,10 +654,10 @@ ifeq ($(strip $(filter-out arm% coff wrs vx%,$(targ))),)
a-intnam.ads<a-intnam-vxworks.ads \
a-numaux.ads<a-numaux-vxworks.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-intman.ads<s-intman-vxworks.ads \
s-intman.adb<s-intman-vxworks.adb \
s-osinte.adb<s-osinte-vxworks.adb \
s-osinte.adb<s-osinte-vxworks-kernel.adb \
s-osinte.ads<s-osinte-vxworks.ads \
s-osprim.adb<s-osprim-vxworks.adb \
s-parame.ads<s-parame-vxworks.ads \
@ -689,10 +689,10 @@ ifeq ($(strip $(filter-out mips% wrs vx%,$(targ))),)
a-intnam.ads<a-intnam-vxworks.ads \
a-numaux.ads<a-numaux-vxworks.ads \
s-inmaop.adb<s-inmaop-posix.adb \
s-interr.adb<s-interr-vxworks.adb \
s-interr.adb<s-interr-hwint.adb \
s-intman.ads<s-intman-vxworks.ads \
s-intman.adb<s-intman-vxworks.adb \
s-osinte.adb<s-osinte-vxworks.adb \
s-osinte.adb<s-osinte-vxworks-kernel.adb \
s-osinte.ads<s-osinte-vxworks.ads \
s-osprim.adb<s-osprim-vxworks.adb \
s-parame.ads<s-parame-vxworks.ads \

69
gcc/ada/s-interr-vxworks.adb → gcc/ada/s-interr-hwint.adb
View File

@ -40,7 +40,7 @@
-- it must call Block_Interrupt/Unblock_Interrupt, which will have the effect
-- of unmasking/masking the signal in the Interrupt_Manager task. These
-- comments do not apply to vectored hardware interrupts, which may be masked
-- or unmasked using routined interfaced to the relevant VxWorks system
-- or unmasked using routined interfaced to the relevant embedded RTOS system
-- calls.
-- Once we associate a Signal_Server_Task with an signal, the task never goes
@ -61,14 +61,14 @@
-- status between Interrupt_Manager and Server_Task. Protection among service
-- requests are ensured via user calls to the Interrupt_Manager entries.
-- This is the VxWorks version of this package, supporting vectored hardware
-- interrupts.
-- This is reasonably generic version of this package, supporting vectored
-- hardware interrupts using non-RTOS specific adapter routines which
-- should easily implemented on any RTOS capable of supporting GNAT.
with Ada.Unchecked_Conversion;
with Ada.Task_Identification;
with Interfaces.VxWorks;
with Interfaces.C; use Interfaces.C;
with System.OS_Interface; use System.OS_Interface;
with System.Interrupt_Management;
with System.Task_Primitives.Operations;
@ -125,7 +125,7 @@ package body System.Interrupts is
end Interrupt_Manager;
task type Interrupt_Server_Task
(Interrupt : Interrupt_ID; Int_Sema : SEM_ID) is
(Interrupt : Interrupt_ID; Int_Sema : Binary_Semaphore_Id) is
-- Server task for vectored hardware interrupt handling
pragma Interrupt_Priority (System.Interrupt_Priority'First + 2);
end Interrupt_Server_Task;
@ -182,7 +182,7 @@ package body System.Interrupts is
Semaphore_ID_Map : array
(Interrupt_ID range 0 .. System.OS_Interface.Max_HW_Interrupt)
of SEM_ID := (others => 0);
of Binary_Semaphore_Id := (others => 0);
-- Array of binary semaphores associated with vectored interrupts
-- Note that the last bound should be Max_HW_Interrupt, but this will raise
-- Storage_Error if Num_HW_Interrupts is null, so use an extra 4 bytes
@ -213,11 +213,12 @@ package body System.Interrupts is
-- Always consider a null handler as registered.
procedure Notify_Interrupt (Param : System.Address);
pragma Convention (C, Notify_Interrupt);
-- Umbrella handler for vectored interrupts (not signals)
procedure Install_Umbrella_Handler
(Interrupt : HW_Interrupt;
Handler : Interfaces.VxWorks.VOIDFUNCPTR);
Handler : System.OS_Interface.Interrupt_Handler);
-- Install the runtime umbrella handler for a vectored hardware
-- interrupt
@ -490,16 +491,12 @@ package body System.Interrupts is
procedure Install_Umbrella_Handler
(Interrupt : HW_Interrupt;
Handler : Interfaces.VxWorks.VOIDFUNCPTR)
Handler : System.OS_Interface.Interrupt_Handler)
is
use Interfaces.VxWorks;
Vec : constant Interrupt_Vector :=
INUM_TO_IVEC (Interfaces.VxWorks.int (Interrupt));
Interrupt_Number_To_Vector (int (Interrupt));
Stat : Interfaces.VxWorks.STATUS;
pragma Unreferenced (Stat);
-- ??? shouldn't we test Stat at least in a pragma Assert?
Status : int;
begin
-- Only install umbrella handler when no Ada handler has already been
@ -508,7 +505,10 @@ package body System.Interrupts is
-- wrapper generated by intConnect for each interrupt number.
if not Handler_Installed (Interrupt) then
Stat := intConnect (Vec, Handler, System.Address (Interrupt));
Status :=
Interrupt_Connect (Vec, Handler, System.Address (Interrupt));
pragma Assert (Status = 0);
Handler_Installed (Interrupt) := True;
end if;
end Install_Umbrella_Handler;
@ -618,20 +618,20 @@ package body System.Interrupts is
-- on which it pends once it's been started. This routine determines
-- The appropriate semaphore and issues a semGive call, waking
-- the server task. When a handler is unbound,
-- System.Interrupts.Unbind_Handler issues a semFlush, and the
-- server task deletes its semaphore and terminates.
-- System.Interrupts.Unbind_Handler issues a Binary_Semaphore_Flush,
-- and the server task deletes its semaphore and terminates.
procedure Notify_Interrupt (Param : System.Address) is
Interrupt : constant Interrupt_ID := Interrupt_ID (Param);
Id : constant SEM_ID := Semaphore_ID_Map (Interrupt);
Id : constant Binary_Semaphore_Id := Semaphore_ID_Map (Interrupt);
Discard_Result : STATUS;
pragma Unreferenced (Discard_Result);
Status : int;
begin
if Id /= 0 then
Discard_Result := semGive (Id);
Status := Binary_Semaphore_Release (Id);
pragma Assert (Status = 0);
end if;
end Notify_Interrupt;
@ -764,15 +764,13 @@ package body System.Interrupts is
--------------------
procedure Unbind_Handler (Interrupt : Interrupt_ID) is
S : STATUS;
use type STATUS;
Status : int;
begin
-- Flush server task off semaphore, allowing it to terminate
S := semFlush (Semaphore_ID_Map (Interrupt));
pragma Assert (S = 0);
Status := Binary_Semaphore_Flush (Semaphore_ID_Map (Interrupt));
pragma Assert (Status = 0);
end Unbind_Handler;
--------------------------------
@ -890,8 +888,7 @@ package body System.Interrupts is
(To_Ada (Server_ID (Interrupt))))
then
Interrupt_Access_Hold :=
new Interrupt_Server_Task
(Interrupt, semBCreate (SEM_Q_FIFO, SEM_EMPTY));
new Interrupt_Server_Task (Interrupt, Binary_Semaphore_Create);
Server_ID (Interrupt) :=
To_System (Interrupt_Access_Hold.all'Identity);
end if;
@ -988,7 +985,7 @@ package body System.Interrupts is
(To_Ada (Server_ID (Interrupt)))
then
Interrupt_Access_Hold := new Interrupt_Server_Task
(Interrupt, semBCreate (SEM_Q_FIFO, SEM_EMPTY));
(Interrupt, Binary_Semaphore_Create);
Server_ID (Interrupt) :=
To_System (Interrupt_Access_Hold.all'Identity);
end if;
@ -1046,9 +1043,7 @@ package body System.Interrupts is
Tmp_Handler : Parameterless_Handler;
Tmp_ID : Task_Id;
Tmp_Entry_Index : Task_Entry_Index;
S : STATUS;
use type STATUS;
Status : int;
begin
System.Tasking.Utilities.Make_Independent;
@ -1058,8 +1053,8 @@ package body System.Interrupts is
-- Pend on semaphore that will be triggered by the
-- umbrella handler when the associated interrupt comes in
S := semTake (Int_Sema, WAIT_FOREVER);
pragma Assert (S = 0);
Status := Binary_Semaphore_Obtain (Int_Sema);
pragma Assert (Status = 0);
if User_Handler (Interrupt).H /= null then
@ -1091,9 +1086,9 @@ package body System.Interrupts is
-- Delete the associated semaphore
S := semDelete (Int_Sema);
Status := Binary_Semaphore_Delete (Int_Sema);
pragma Assert (S = 0);
pragma Assert (Status = 0);
-- Set status for the Interrupt_Manager

251
gcc/ada/s-osinte-vxworks-kernel.adb Normal file
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@ -0,0 +1,251 @@
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . O S _ I N T E R F A C E --
-- --
-- B o d y --
-- --
-- Copyright (C) 1997-2008, 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 2, or (at your option) any later ver- --
-- sion. GNARL 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. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNARL; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
-- This is the VxWorks version
-- This package encapsulates all direct interfaces to OS services that are
-- needed by children of System.
pragma Polling (Off);
-- Turn off polling, we do not want ATC polling to take place during tasking
-- operations. It causes infinite loops and other problems.
package body System.OS_Interface is
use type Interfaces.C.int;
Low_Priority : constant := 255;
-- VxWorks native (default) lowest scheduling priority
----------
-- kill --
----------
function kill (pid : t_id; sig : Signal) return int is
begin
return System.VxWorks.Ext.kill (pid, int (sig));
end kill;
-------------
-- sigwait --
-------------
function sigwait
(set : access sigset_t;
sig : access Signal) return int
is
Result : int;
function sigwaitinfo
(set : access sigset_t; sigvalue : System.Address) return int;
pragma Import (C, sigwaitinfo, "sigwaitinfo");
begin
Result := sigwaitinfo (set, System.Null_Address);
if Result /= -1 then
sig.all := Signal (Result);
return 0;
else
sig.all := 0;
return errno;
end if;
end sigwait;
-----------------
-- To_Duration --
-----------------
function To_Duration (TS : timespec) return Duration is
begin
return Duration (TS.ts_sec) + Duration (TS.ts_nsec) / 10#1#E9;
end To_Duration;
-----------------
-- To_Timespec --
-----------------
function To_Timespec (D : Duration) return timespec is
S : time_t;
F : Duration;
begin
S := time_t (Long_Long_Integer (D));
F := D - Duration (S);
-- If F is negative due to a round-up, adjust for positive F value
if F < 0.0 then
S := S - 1;
F := F + 1.0;
end if;
return timespec'(ts_sec => S,
ts_nsec => long (Long_Long_Integer (F * 10#1#E9)));
end To_Timespec;
-------------------------
-- To_VxWorks_Priority --
-------------------------
function To_VxWorks_Priority (Priority : int) return int is
begin
return Low_Priority - Priority;
end To_VxWorks_Priority;
--------------------
-- To_Clock_Ticks --
--------------------
-- ??? - For now, we'll always get the system clock rate since it is
-- allowed to be changed during run-time in VxWorks. A better method would
-- be to provide an operation to set it that so we can always know its
-- value.
-- Another thing we should probably allow for is a resultant tick count
-- greater than int'Last. This should probably be a procedure with two
-- output parameters, one in the range 0 .. int'Last, and another
-- representing the overflow count.
function To_Clock_Ticks (D : Duration) return int is
Ticks : Long_Long_Integer;
Rate_Duration : Duration;
Ticks_Duration : Duration;
begin
if D < 0.0 then
return -1;
end if;
-- Ensure that the duration can be converted to ticks
-- at the current clock tick rate without overflowing.
Rate_Duration := Duration (sysClkRateGet);
if D > (Duration'Last / Rate_Duration) then
Ticks := Long_Long_Integer (int'Last);
else
Ticks_Duration := D * Rate_Duration;
Ticks := Long_Long_Integer (Ticks_Duration);
if Ticks_Duration > Duration (Ticks) then
Ticks := Ticks + 1;
end if;
if Ticks > Long_Long_Integer (int'Last) then
Ticks := Long_Long_Integer (int'Last);
end if;
end if;
return int (Ticks);
end To_Clock_Ticks;
-----------------------------
-- Binary_Semaphore_Create --
-----------------------------
function Binary_Semaphore_Create return Binary_Semaphore_Id is
begin
return Binary_Semaphore_Id (semBCreate (SEM_Q_FIFO, SEM_EMPTY));
end Binary_Semaphore_Create;
-----------------------------
-- Binary_Semaphore_Delete --
-----------------------------
function Binary_Semaphore_Delete (ID : Binary_Semaphore_Id) return int is
begin
return semDelete (SEM_ID (ID));
end Binary_Semaphore_Delete;
-----------------------------
-- Binary_Semaphore_Obtain --
-----------------------------
function Binary_Semaphore_Obtain (ID : Binary_Semaphore_Id) return int is
begin
return semTake (SEM_ID (ID), WAIT_FOREVER);
end Binary_Semaphore_Obtain;
------------------------------
-- Binary_Semaphore_Release --
------------------------------
function Binary_Semaphore_Release (ID : Binary_Semaphore_Id) return int is
begin
return semGive (SEM_ID (ID));
end Binary_Semaphore_Release;
----------------------------
-- Binary_Semaphore_Flush --
----------------------------
function Binary_Semaphore_Flush (ID : Binary_Semaphore_Id) return int is
begin
return semFlush (SEM_ID (ID));
end Binary_Semaphore_Flush;
-----------------------
-- Interrupt_Connect --
-----------------------
function Interrupt_Connect
(Vector : Interrupt_Vector;
Handler : Interrupt_Handler;
Parameter : System.Address := System.Null_Address) return int
is
function intConnect
(vector : Interrupt_Vector;
handler : Interrupt_Handler;
parameter : System.Address) return int;
pragma Import (C, intConnect, "intConnect");
begin
return intConnect (Vector, Handler, Parameter);
end Interrupt_Connect;
--------------------------------
-- Interrupt_Number_To_Vector --
--------------------------------
function Interrupt_Number_To_Vector
(intNum : int) return Interrupt_Vector
is
function INUM_TO_IVEC (intNum : int) return Interrupt_Vector;
pragma Import (C, INUM_TO_IVEC, "__gnat_inum_to_ivec");
begin
return INUM_TO_IVEC (intNum);
end Interrupt_Number_To_Vector;
end System.OS_Interface;

71
gcc/ada/s-osinte-vxworks.adb
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@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 1997-2007, Free Software Foundation, Inc. --
-- Copyright (C) 1997-2008, 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- --
@ -170,4 +170,73 @@ package body System.OS_Interface is
return int (Ticks);
end To_Clock_Ticks;
-----------------------------
-- Binary_Semaphore_Create --
-----------------------------
function Binary_Semaphore_Create return Binary_Semaphore_Id is
begin
return Binary_Semaphore_Id (semBCreate (SEM_Q_FIFO, SEM_EMPTY));
end Binary_Semaphore_Create;
-----------------------------
-- Binary_Semaphore_Delete --
-----------------------------
function Binary_Semaphore_Delete (ID : Binary_Semaphore_Id) return int is
begin
return semDelete (SEM_ID (ID));
end Binary_Semaphore_Delete;
-----------------------------
-- Binary_Semaphore_Obtain --
-----------------------------
function Binary_Semaphore_Obtain (ID : Binary_Semaphore_Id) return int is
begin
return semTake (SEM_ID (ID), WAIT_FOREVER);
end Binary_Semaphore_Obtain;
------------------------------
-- Binary_Semaphore_Release --
------------------------------
function Binary_Semaphore_Release (ID : Binary_Semaphore_Id) return int is
begin
return semGive (SEM_ID (ID));
end Binary_Semaphore_Release;
----------------------------
-- Binary_Semaphore_Flush --
----------------------------
function Binary_Semaphore_Flush (ID : Binary_Semaphore_Id) return int is
begin
return semFlush (SEM_ID (ID));
end Binary_Semaphore_Flush;
-----------------------
-- Interrupt_Connect --
-----------------------
function Interrupt_Connect
(Vector : Interrupt_Vector;
Handler : Interrupt_Handler;
Parameter : System.Address := System.Null_Address) return int
is
pragma Unreferenced (Vector, Handler, Parameter);
begin
return 0;
end Interrupt_Connect;
--------------------------------
-- Interrupt_Number_To_Vector --
--------------------------------
function Interrupt_Number_To_Vector
(intNum : int) return Interrupt_Vector is
begin
return Interrupt_Vector (intNum);
end Interrupt_Number_To_Vector;
end System.OS_Interface;

44
gcc/ada/s-osinte-vxworks.ads
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@ -432,6 +432,50 @@ package System.OS_Interface is
pragma Import (C, semFlush, "semFlush");
-- Release all threads blocked on the semaphore
------------------------------------------------------------
-- Binary Semaphore Wrapper to Support Interrupt Tasks --
------------------------------------------------------------
type Binary_Semaphore_Id is new Long_Integer;
function Binary_Semaphore_Create return Binary_Semaphore_Id;
pragma Inline (Binary_Semaphore_Create);
function Binary_Semaphore_Delete (ID : Binary_Semaphore_Id) return int;
pragma Inline (Binary_Semaphore_Delete);
function Binary_Semaphore_Obtain (ID : Binary_Semaphore_Id) return int;
pragma Inline (Binary_Semaphore_Obtain);
function Binary_Semaphore_Release (ID : Binary_Semaphore_Id) return int;
pragma Inline (Binary_Semaphore_Release);
function Binary_Semaphore_Flush (ID : Binary_Semaphore_Id) return int;
pragma Inline (Binary_Semaphore_Flush);
------------------------------------------------------------
-- Hardware Interrupt Wrappers to Support Interrupt Tasks --
------------------------------------------------------------
type Interrupt_Handler is access procedure (parameter : System.Address);
pragma Convention (C, Interrupt_Handler);
type Interrupt_Vector is new System.Address;
function Interrupt_Connect
(Vector : Interrupt_Vector;
Handler : Interrupt_Handler;
Parameter : System.Address := System.Null_Address) return int;
pragma Inline (Interrupt_Connect);
-- Use this to set up an user handler. The routine installs a
-- a user handler which is invoked after RTEMS has saved enough
-- context for a high-level language routine to be safely invoked.
function Interrupt_Number_To_Vector (intNum : int) return Interrupt_Vector;
pragma Inline (Interrupt_Number_To_Vector);
-- Convert a logical interrupt number to the hardware interrupt vector
-- number used to connect the interrupt.
private
type sigset_t is new unsigned_long_long;