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Diffstat (limited to 'gcc/ada/a-caldel.adb')
| -rw-r--r-- | gcc/ada/a-caldel.adb | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/gcc/ada/a-caldel.adb b/gcc/ada/a-caldel.adb deleted file mode 100644 index efa4478dd59..00000000000 --- a/gcc/ada/a-caldel.adb +++ /dev/null @@ -1,110 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- A D A . C A L E N D A R . D E L A Y S -- --- -- --- B o d y -- --- -- --- Copyright (C) 1991-1994, Florida State University -- --- Copyright (C) 1995-2017, AdaCore -- --- -- --- 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 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. -- --- -- ------------------------------------------------------------------------------- - -with System.OS_Primitives; -with System.Soft_Links; - -package body Ada.Calendar.Delays is - - package OSP renames System.OS_Primitives; - package SSL renames System.Soft_Links; - - use type SSL.Timed_Delay_Call; - - -- Earlier, System.Time_Operations was used to implement the following - -- operations. The idea was to avoid sucking in the tasking packages. This - -- did not work. Logically, we can't have it both ways. There is no way to - -- implement time delays that will have correct task semantics without - -- reference to the tasking run-time system. To achieve this goal, we now - -- use soft links. - - ----------------------- - -- Local Subprograms -- - ----------------------- - - procedure Timed_Delay_NT (Time : Duration; Mode : Integer); - -- Timed delay procedure used when no tasking is active - - --------------- - -- Delay_For -- - --------------- - - procedure Delay_For (D : Duration) is - begin - SSL.Timed_Delay.all (Duration'Min (D, OSP.Max_Sensible_Delay), - OSP.Relative); - end Delay_For; - - ----------------- - -- Delay_Until -- - ----------------- - - procedure Delay_Until (T : Time) is - D : constant Duration := To_Duration (T); - - begin - SSL.Timed_Delay.all (D, OSP.Absolute_Calendar); - end Delay_Until; - - -------------------- - -- Timed_Delay_NT -- - -------------------- - - procedure Timed_Delay_NT (Time : Duration; Mode : Integer) is - begin - OSP.Timed_Delay (Time, Mode); - end Timed_Delay_NT; - - ----------------- - -- To_Duration -- - ----------------- - - function To_Duration (T : Time) return Duration is - begin - -- Since time has multiple representations on different platforms, a - -- target independent operation in Ada.Calendar is used to perform - -- this conversion. - - return Delay_Operations.To_Duration (T); - end To_Duration; - -begin - -- Set up the Timed_Delay soft link to the non tasking version if it has - -- not been already set. If tasking is present, Timed_Delay has already set - -- this soft link, or this will be overridden during the elaboration of - -- System.Tasking.Initialization - - if SSL.Timed_Delay = null then - SSL.Timed_Delay := Timed_Delay_NT'Access; - end if; - -end Ada.Calendar.Delays; |