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| author | Jeffrey Wilcke <jeffrey@ethereum.org> | 2016-05-13 02:50:40 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <jeffrey@ethereum.org> | 2016-05-13 02:50:40 +0800 |
| commit | 72e60dea36157ee34d8b082b5868d52ac9ae6bc3 (patch) | |
| tree | 1a53b64b4188a41deb22034a5c7188f0bb3db3d2 | |
| parent | a5ff487889e8efae58461e0967cd6ec49facf6e9 (diff) | |
| parent | 7c1f74713e273d1e4f1982466eb6fd96e55e8c4d (diff) | |
| download | go-tangerine-72e60dea36157ee34d8b082b5868d52ac9ae6bc3.tar.gz go-tangerine-72e60dea36157ee34d8b082b5868d52ac9ae6bc3.tar.zst go-tangerine-72e60dea36157ee34d8b082b5868d52ac9ae6bc3.zip | |
Merge pull request #2563 from obscuren/rpcaddr-fix
eth: fixed double close of channel. Fixes #2555
| -rw-r--r-- | event/event.go | 3 | ||||
| -rw-r--r-- | event/event_test.go | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/event/event.go b/event/event.go index 57dd52baa..fd0bcfbd4 100644 --- a/event/event.go +++ b/event/event.go @@ -66,6 +66,9 @@ func (mux *TypeMux) Subscribe(types ...interface{}) Subscription { mux.mutex.Lock() defer mux.mutex.Unlock() if mux.stopped { + // set the status to closed so that calling Unsubscribe after this + // call will short curuit + sub.closed = true close(sub.postC) } else { if mux.subm == nil { diff --git a/event/event_test.go b/event/event_test.go index 323cfea49..394029301 100644 --- a/event/event_test.go +++ b/event/event_test.go @@ -25,6 +25,14 @@ import ( type testEvent int +func TestSubCloseUnsub(t *testing.T) { + // the point of this test is **not** to panic + var mux TypeMux + mux.Stop() + sub := mux.Subscribe(int(0)) + sub.Unsubscribe() +} + func TestSub(t *testing.T) { mux := new(TypeMux) defer mux.Stop() |