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go/misc/cgo/testplugin/test.bash
Keith Randall 81a61a96c9 runtime: for plugins, don't add duplicate itabs
We already do this for shared libraries. Do it for plugins also.
Suggestions on how to test this would be welcome.

I'd like to get this in for 1.8.  It could lead to mysterious
hangs when using plugins.

Fixes #18676

Change-Id: I03209b096149090b9ba171c834c5e59087ed0f92
Reviewed-on: https://go-review.googlesource.com/35117
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Hudson-Doyle <michael.hudson@canonical.com>
2017-01-17 22:37:19 +00:00

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#!/usr/bin/env bash
# Copyright 2016 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
set -e
if [ ! -f src/host/host.go ]; then
cwd=$(pwd)
echo "misc/cgo/testplugin/test.bash is running in $cwd" 1>&2
exit 1
fi
goos=$(go env GOOS)
goarch=$(go env GOARCH)
function cleanup() {
rm -f plugin*.so unnamed*.so iface*.so
rm -rf host pkg sub iface issue18676
}
trap cleanup EXIT
rm -rf pkg sub
mkdir sub
GOPATH=$(pwd) go build -buildmode=plugin plugin1
GOPATH=$(pwd) go build -buildmode=plugin plugin2
GOPATH=$(pwd)/altpath go build -buildmode=plugin plugin-mismatch
GOPATH=$(pwd) go build -buildmode=plugin -o=sub/plugin1.so sub/plugin1
GOPATH=$(pwd) go build -buildmode=plugin unnamed1.go
GOPATH=$(pwd) go build -buildmode=plugin unnamed2.go
GOPATH=$(pwd) go build host
LD_LIBRARY_PATH=$(pwd) ./host
# Test that types and itabs get properly uniqified.
GOPATH=$(pwd) go build -buildmode=plugin iface_a
GOPATH=$(pwd) go build -buildmode=plugin iface_b
GOPATH=$(pwd) go build iface
LD_LIBRARY_PATH=$(pwd) ./iface
# Test for issue 18676 - make sure we don't add the same itab twice.
# The buggy code hangs forever, so use a timeout to check for that.
GOPATH=$(pwd) go build -buildmode=plugin -o plugin.so src/issue18676/plugin.go
GOPATH=$(pwd) go build -o issue18676 src/issue18676/main.go
timeout 10s ./issue18676