diff options
Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-osprim-posix.adb')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/s-osprim-posix.adb | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-osprim-posix.adb b/gcc-4.4.3/gcc/ada/s-osprim-posix.adb deleted file mode 100644 index 7042830d3..000000000 --- a/gcc-4.4.3/gcc/ada/s-osprim-posix.adb +++ /dev/null @@ -1,167 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . O S _ P R I M I T I V E S -- --- -- --- B o d y -- --- -- --- Copyright (C) 1998-2009, 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 version is for POSIX-like operating systems - -package body System.OS_Primitives is - - -- ??? These definitions are duplicated from System.OS_Interface - -- because we don't want to depend on any package. Consider removing - -- these declarations in System.OS_Interface and move these ones in - -- the spec. - - type struct_timezone is record - tz_minuteswest : Integer; - tz_dsttime : Integer; - end record; - pragma Convention (C, struct_timezone); - type struct_timezone_ptr is access all struct_timezone; - - type time_t is new Long_Integer; - - type struct_timeval is record - tv_sec : time_t; - tv_usec : Long_Integer; - end record; - pragma Convention (C, struct_timeval); - - function gettimeofday - (tv : not null access struct_timeval; - tz : struct_timezone_ptr) return Integer; - pragma Import (C, gettimeofday, "gettimeofday"); - - type timespec is record - tv_sec : time_t; - tv_nsec : Long_Integer; - end record; - pragma Convention (C, timespec); - - function nanosleep (rqtp, rmtp : not null access timespec) return Integer; - pragma Import (C, nanosleep, "nanosleep"); - - ----------- - -- Clock -- - ----------- - - function Clock return Duration is - TV : aliased struct_timeval; - - Result : Integer; - pragma Unreferenced (Result); - - begin - Result := gettimeofday (TV'Access, null); - return Duration (TV.tv_sec) + Duration (TV.tv_usec) / 10#1#E6; - end Clock; - - --------------------- - -- Monotonic_Clock -- - --------------------- - - function Monotonic_Clock return Duration renames Clock; - - ----------------- - -- To_Timespec -- - ----------------- - - function To_Timespec (D : Duration) return 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_Integer (Long_Long_Integer (F * 10#1#E9))); - end To_Timespec; - - ----------------- - -- Timed_Delay -- - ----------------- - - procedure Timed_Delay - (Time : Duration; - Mode : Integer) - is - Request : aliased timespec; - Remaind : aliased timespec; - Rel_Time : Duration; - Abs_Time : Duration; - Base_Time : constant Duration := Clock; - Check_Time : Duration := Base_Time; - - Result : Integer; - pragma Unreferenced (Result); - - begin - if Mode = Relative then - Rel_Time := Time; - Abs_Time := Time + Check_Time; - else - Rel_Time := Time - Check_Time; - Abs_Time := Time; - end if; - - if Rel_Time > 0.0 then - loop - Request := To_Timespec (Rel_Time); - Result := nanosleep (Request'Access, Remaind'Access); - Check_Time := Clock; - - exit when Abs_Time <= Check_Time or else Check_Time < Base_Time; - - Rel_Time := Abs_Time - Check_Time; - end loop; - end if; - end Timed_Delay; - - ---------------- - -- Initialize -- - ---------------- - - procedure Initialize is - begin - null; - end Initialize; - -end System.OS_Primitives; |