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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-osinte-vxworks.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-osinte-vxworks.adb | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-osinte-vxworks.adb b/gcc-4.2.1/gcc/ada/s-osinte-vxworks.adb deleted file mode 100644 index cb8c969c7..000000000 --- a/gcc-4.2.1/gcc/ada/s-osinte-vxworks.adb +++ /dev/null @@ -1,195 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- 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) 1997-2005 Free Software Foundation -- --- -- --- 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 - function c_kill (pid : t_id; sig : Signal) return int; - pragma Import (C, c_kill, "kill"); - begin - return c_kill (pid, sig); - end kill; - - -------------------- - -- Set_Time_Slice -- - -------------------- - - function Set_Time_Slice (ticks : int) return int is - function kernelTimeSlice (ticks : int) return int; - pragma Import (C, kernelTimeSlice, "kernelTimeSlice"); - begin - return kernelTimeSlice (ticks); - end Set_Time_Slice; - - ------------- - -- 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 has negative value 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 : in 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; - - ---------------- - -- VX_FP_TASK -- - ---------------- - - function VX_FP_TASK return int is - begin - return 16#0008#; - end VX_FP_TASK; - -end System.OS_Interface; |