From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Fri, 9 Nov 2018 15:29:15 +0000 (+0000)
Subject: syscall: change RLIM_INFINITY from 0xffffffffffffffff to -1
X-Git-Tag: releases/gcc-7.4.0~55
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a18d07f9685492460133692e800595eb4e083119;p=thirdparty%2Fgcc.git

syscall: change RLIM_INFINITY from 0xffffffffffffffff to -1

    For compatibility with the gc toolchain's syscall package.

    Fixes golang/go#28665

    Reviewed-on: https://go-review.googlesource.com/c/148697

From-SVN: r265972
---

diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
index 2284928ae53a..3c2c2d2ad018 100755
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -1088,7 +1088,20 @@ grep '^type _rlimit ' gen-sysinfo.go | \
 grep '^const _RLIMIT_' gen-sysinfo.go |
     sed -e 's/^\(const \)_\(RLIMIT_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
 grep '^const _RLIM_' gen-sysinfo.go |
+    grep -v '^const _RLIM_INFINITY ' |
     sed -e 's/^\(const \)_\(RLIM_[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
+rliminf=""
+if test "${rlimit}" = "_rlimit64" && grep '^const _RLIM64_INFINITY ' gen-sysinfo.go > /dev/null 2>&1; then
+  rliminf=`grep '^const _RLIM64_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
+else
+  rliminf=`grep '^const _RLIM_INFINITY ' gen-sysinfo.go | sed -e 's/.* //'`
+fi
+# For compatibility with the gc syscall package, treat 0xffffffffffffffff as -1.
+if test "$rliminf" = "0xffffffffffffffff"; then
+  echo "const RLIM_INFINITY = -1" >> ${OUT}
+elif test -n "$rliminf"; then
+  echo "const RLIM_INFINITY = $rliminf" >> ${OUT}
+fi
 
 # The sysinfo struct.
 grep '^type _sysinfo ' gen-sysinfo.go | \