diff options
Diffstat (limited to 'gcc-4.7/gcc/ada/s-osprim-unix.adb')
| -rw-r--r-- | gcc-4.7/gcc/ada/s-osprim-unix.adb | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/gcc-4.7/gcc/ada/s-osprim-unix.adb b/gcc-4.7/gcc/ada/s-osprim-unix.adb deleted file mode 100644 index 973ce0325..000000000 --- a/gcc-4.7/gcc/ada/s-osprim-unix.adb +++ /dev/null @@ -1,132 +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 uses gettimeofday and select --- This file is suitable for OpenNT, Dec Unix and SCO UnixWare. - -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_timeval is record - tv_sec : Integer; - tv_usec : Integer; - end record; - pragma Convention (C, struct_timeval); - - procedure gettimeofday - (tv : not null access struct_timeval; - tz : Address := Null_Address); - pragma Import (C, gettimeofday, "gettimeofday"); - - procedure C_select - (n : Integer := 0; - readfds, - writefds, - exceptfds : Address := Null_Address; - timeout : not null access struct_timeval); - pragma Import (C, C_select, "select"); - - ----------- - -- Clock -- - ----------- - - function Clock return Duration is - TV : aliased struct_timeval; - - begin - gettimeofday (TV'Access); - return Duration (TV.tv_sec) + Duration (TV.tv_usec) / 10#1#E6; - end Clock; - - --------------------- - -- Monotonic_Clock -- - --------------------- - - function Monotonic_Clock return Duration renames Clock; - - ----------------- - -- Timed_Delay -- - ----------------- - - procedure Timed_Delay - (Time : Duration; - Mode : Integer) - is - Rel_Time : Duration; - Abs_Time : Duration; - Base_Time : constant Duration := Clock; - Check_Time : Duration := Base_Time; - timeval : aliased struct_timeval; - - 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 - timeval.tv_sec := Integer (Rel_Time); - - if Duration (timeval.tv_sec) > Rel_Time then - timeval.tv_sec := timeval.tv_sec - 1; - end if; - - timeval.tv_usec := - Integer ((Rel_Time - Duration (timeval.tv_sec)) * 10#1#E6); - - C_select (timeout => timeval'Unchecked_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; |