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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-osinte-tru64.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-osinte-tru64.adb | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-osinte-tru64.adb b/gcc-4.2.1/gcc/ada/s-osinte-tru64.adb deleted file mode 100644 index 1d40fca6b..000000000 --- a/gcc-4.2.1/gcc/ada/s-osinte-tru64.adb +++ /dev/null @@ -1,170 +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) 1998-2005, 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- -- --- 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 DEC Unix 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; -with System.Machine_Code; use System.Machine_Code; - -package body System.OS_Interface is - - -------------------- - -- Get_Stack_Base -- - -------------------- - - function Get_Stack_Base (thread : pthread_t) return Address is - pragma Unreferenced (thread); - begin - return Null_Address; - end Get_Stack_Base; - - ------------------ - -- pthread_init -- - ------------------ - - procedure pthread_init is - begin - null; - end pthread_init; - - ------------------ - -- pthread_self -- - ------------------ - - function pthread_self return pthread_t is - Self : pthread_t; - begin - Asm ("call_pal 0x9e" & ASCII.LF & ASCII.HT & - "bis $31, $0, %0", - Outputs => pthread_t'Asm_Output ("=r", Self), - Clobber => "$0"); - return Self; - end pthread_self; - - ---------------------- - -- Hide_Yellow_Zone -- - ---------------------- - - procedure Hide_Yellow_Zone is - type Teb_Ptr is access all pthread_teb_t; - Teb : Teb_Ptr; - Res : Interfaces.C.int; - pragma Unreferenced (Res); - - begin - -- Get the Thread Environment Block address - - Asm ("call_pal 0x9e" & ASCII.LF & ASCII.HT & - "bis $31, $0, %0", - Outputs => Teb_Ptr'Asm_Output ("=r", Teb), - Clobber => "$0"); - - -- Stick a guard page right above the Yellow Zone if it exists - - if Teb.all.stack_yellow /= Teb.all.stack_guard then - Res := mprotect (Teb.all.stack_yellow, Get_Page_Size, PROT_ON); - end if; - end Hide_Yellow_Zone; - - ----------------- - -- 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; - - function To_Duration (TV : struct_timeval) return Duration is - begin - return Duration (TV.tv_sec) + Duration (TV.tv_usec) / 10#1#E6; - 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'(tv_sec => S, - tv_nsec => long (Long_Long_Integer (F * 10#1#E9))); - end To_Timespec; - - ---------------- - -- To_Timeval -- - ---------------- - - function To_Timeval (D : Duration) return struct_timeval 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 - struct_timeval' - (tv_sec => S, - tv_usec => time_t (Long_Long_Integer (F * 10#1#E6))); - end To_Timeval; - -end System.OS_Interface; |