-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- 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. 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- 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. --
+-- 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/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
Exception_Action : aliased struct_sigaction;
-- Keep this variable global so that it is initialized only once
- procedure Map_And_Raise_Exception (signo : Signal);
- pragma Import (C, Map_And_Raise_Exception, "__gnat_map_signal");
+ procedure Notify_Exception
+ (signo : Signal;
+ siginfo : System.Address;
+ sigcontext : System.Address);
+ pragma Import (C, Notify_Exception, "__gnat_error_handler");
-- Map signal to Ada exception and raise it. Different versions
-- of VxWorks need different mappings.
-- 's' Interrupt_State pragma set state to System (use "default"
-- system handler)
- procedure Notify_Exception (signo : Signal);
- -- Identify the Ada exception to be raised using
- -- the information when the system received a synchronous signal.
-
- ----------------------
- -- Notify_Exception --
- ----------------------
-
- procedure Notify_Exception (signo : Signal) is
- Mask : aliased sigset_t;
-
- Result : int;
- pragma Unreferenced (Result);
-
- begin
- Result := pthread_sigmask (SIG_SETMASK, null, Mask'Unchecked_Access);
- Result := sigdelset (Mask'Access, signo);
- Result := pthread_sigmask (SIG_SETMASK, Mask'Unchecked_Access, null);
-
- Map_And_Raise_Exception (signo);
- end Notify_Exception;
-
---------------------------
-- Initialize_Interrupts --
---------------------------
----------------
Initialized : Boolean := False;
+ -- Set to True once Initialize is called, further calls have no effect
procedure Initialize is
mask : aliased sigset_t;
Result : int;
+
begin
if Initialized then
return;
Abort_Task_Interrupt := SIGABRT;
Exception_Action.sa_handler := Notify_Exception'Address;
- Exception_Action.sa_flags := SA_ONSTACK;
+ Exception_Action.sa_flags := SA_ONSTACK + SA_SIGINFO;
Result := sigemptyset (mask'Access);
pragma Assert (Result = 0);