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Diffstat (limited to 'gcc/ada/5gproinf.ads')
| -rw-r--r-- | gcc/ada/5gproinf.ads | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc/ada/5gproinf.ads b/gcc/ada/5gproinf.ads new file mode 100644 index 00000000000..070e0b2ad06 --- /dev/null +++ b/gcc/ada/5gproinf.ads @@ -0,0 +1,97 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . P R O G R A M _ I N F O -- +-- -- +-- S p e c -- +-- -- +-- $Revision: 1.1 $ -- +-- -- +-- Copyright (C) 1997 Free Software Foundation, Inc. -- +-- -- +-- GNAT 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. 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 GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, 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. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ +-- This package contains the definitions and routines used as parameters +-- to the run-time system at program startup for the SGI implementation. + +package System.Program_Info is + + function Initial_Sproc_Count return Integer; + -- + -- The number of sproc created at program startup for scheduling + -- threads. + -- + + function Max_Sproc_Count return Integer; + -- + -- The maximum number of sprocs that can be created by the program + -- for servicing threads. This limit includes both the pre-created + -- sprocs and those explicitly created under program control. + -- + + function Sproc_Stack_Size return Integer; + -- + -- The size, in bytes, of the sproc's initial stack. + -- + + function Default_Time_Slice return Duration; + -- + -- The default time quanta for round-robin scheduling of threads of + -- equal priority. This default value can be overridden on a per-task + -- basis by specifying an alternate value via the implementation-defined + -- Task_Info pragma. See s-tasinf.ads for more information. + -- + + function Default_Task_Stack return Integer; + -- + -- The default stack size for each created thread. This default value + -- can be overriden on a per-task basis by the language-defined + -- Storage_Size pragma. + -- + + function Stack_Guard_Pages return Integer; + -- + -- The number of non-writable, guard pages to append to the bottom of + -- each thread's stack. + -- + + function Pthread_Sched_Signal return Integer; + -- + -- The signal used by the Pthreads library to affect scheduling actions + -- in remote sprocs. + -- + + function Pthread_Arena_Size return Integer; + -- + -- The size of the shared arena from which pthread locks are allocated. + -- See the usinit(3p) man page for more information on shared arenas. + -- + + function Os_Default_Priority return Integer; + -- + -- The default Irix Non-Degrading priority for each sproc created to + -- service threads. + -- + +end System.Program_Info; |