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Diffstat (limited to 'gcc/ada/s-osinte-vxworks-kernel.adb')
| -rw-r--r-- | gcc/ada/s-osinte-vxworks-kernel.adb | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/gcc/ada/s-osinte-vxworks-kernel.adb b/gcc/ada/s-osinte-vxworks-kernel.adb deleted file mode 100644 index 6512396aff7..00000000000 --- a/gcc/ada/s-osinte-vxworks-kernel.adb +++ /dev/null @@ -1,249 +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) 1997-2009, 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 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. -- --- -- --- 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. -- --- -- ------------------------------------------------------------------------------- - --- 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; |