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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [s-osinte-rtems.adb] - Rev 718
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------------------------------------------------------------------------------ -- -- -- GNU ADA 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) 1991-2009 Florida State University -- -- -- -- 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. It is -- -- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- -- State University (http://www.gnat.com). -- -- -- -- The GNARL files that were developed for RTEMS are maintained by On-Line -- -- Applications Research Corporation (http://www.oarcorp.com) in coopera- -- -- tion with Ada Core Technologies Inc. and Florida State University. -- -- -- ------------------------------------------------------------------------------ -- This is the RTEMS version of this package -- 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. with Interfaces.C; use Interfaces.C; package body System.OS_Interface is ----------------- -- To_Duration -- ----------------- function To_Duration (TS : timespec) return Duration is begin return Duration (TS.tv_sec) + Duration (TS.tv_nsec) / 10#1#E9; end To_Duration; ------------------------ -- To_Target_Priority -- ------------------------ function To_Target_Priority (Prio : System.Any_Priority) return Interfaces.C.int is begin return Interfaces.C.int (Prio); end To_Target_Priority; ----------------- -- 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 has negative value due to round-up, adjust for positive F value if F < 0.0 then S := S - 1; F := F + 1.0; end if; return timespec'(tv_sec => S, tv_nsec => long (Long_Long_Integer (F * 10#1#E9))); end To_Timespec; ------------------ -- pthread_init -- ------------------ procedure pthread_init is begin null; end pthread_init; -------------------- -- Get_Stack_Base -- -------------------- function Get_Stack_Base (thread : pthread_t) return Address is pragma Warnings (Off, thread); begin return Null_Address; end Get_Stack_Base; ----------------- -- sigaltstack -- ----------------- function sigaltstack (ss : not null access stack_t; oss : access stack_t) return int is pragma Unreferenced (ss); pragma Unreferenced (oss); begin return 0; end sigaltstack; ----------------------------------- -- pthread_rwlockattr_setkind_np -- ----------------------------------- function pthread_rwlockattr_setkind_np (attr : access pthread_rwlockattr_t; pref : int) return int is pragma Unreferenced (attr); pragma Unreferenced (pref); begin return 0; end pthread_rwlockattr_setkind_np; end System.OS_Interface;
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