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authorDan Albert <danalbert@google.com>2016-02-24 13:48:45 -0800
committerDan Albert <danalbert@google.com>2016-02-24 13:51:18 -0800
commitb9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch)
tree4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.3/gcc/ada/s-osinte-solaris.adb
parent098157a754787181cfa10e71325832448ddcea98 (diff)
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Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is currently using 4.8.3, not 4.8.1 (not sure how I got that wrong). From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2. Bug: http://b/26523949 Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
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+------------------------------------------------------------------------------
+-- --
+-- 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) 1991-1994, Florida State University --
+-- Copyright (C) 1995-2010, 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is a Solaris 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;
+
+package body System.OS_Interface is
+
+ -----------------
+ -- 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;
+
+ -----------------
+ -- 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
+
+ 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;
+
+ ------------------
+ -- pthread_init --
+ ------------------
+
+ procedure pthread_init is
+ begin
+ null;
+ end pthread_init;
+
+end System.OS_Interface;