From df62c1c110e8532b995b23540b7e3695729c0779 Mon Sep 17 00:00:00 2001 From: Jing Yu Date: Thu, 5 Nov 2009 15:11:04 -0800 Subject: Check in gcc sources for prebuilt toolchains in Eclair. --- gcc-4.4.0/gcc/ada/s-osinte-irix.adb | 118 ++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 gcc-4.4.0/gcc/ada/s-osinte-irix.adb (limited to 'gcc-4.4.0/gcc/ada/s-osinte-irix.adb') diff --git a/gcc-4.4.0/gcc/ada/s-osinte-irix.adb b/gcc-4.4.0/gcc/ada/s-osinte-irix.adb new file mode 100644 index 000000000..d63ee9cbb --- /dev/null +++ b/gcc-4.4.0/gcc/ada/s-osinte-irix.adb @@ -0,0 +1,118 @@ +------------------------------------------------------------------------------ +-- -- +-- 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) 1992-2009 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 -- +-- . -- +-- -- +-- GNARL was developed by the GNARL team at Florida State University. -- +-- Extensive contributions were provided by Ada Core Technologies, Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This is the IRIX 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 + + ------------------ + -- pthread_init -- + ------------------ + + procedure pthread_init is + begin + null; + end pthread_init; + + ----------------- + -- 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; -- cgit v1.2.3