Ensure that symmetric difference is locked. (#40)

deckarep · Dec 13, 2016 · 0c62f01 · 0c62f01
1 parent 58ba19e
commit 0c62f01
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,6 @@
 language: go
 
 go:
-    - 1.5
     - 1.6
     - 1.7
     - tip

diff --git a/threadsafe.go b/threadsafe.go
@@ -108,8 +108,14 @@ func (set *threadSafeSet) Difference(other Set) Set {
 func (set *threadSafeSet) SymmetricDifference(other Set) Set {
 	o := other.(*threadSafeSet)
 
+	set.RLock()
+	o.RLock()
+
 	unsafeDifference := set.s.SymmetricDifference(&o.s).(*threadUnsafeSet)
-	return &threadSafeSet{s: *unsafeDifference}
+	ret := &threadSafeSet{s: *unsafeDifference}
+	set.RUnlock()
+	o.RUnlock()
+	return ret
 }
 
 func (set *threadSafeSet) Clear() {
-Original file line number
+Diff line change
@@ -1,7 +1,6 @@
     language: go
     go:
-        - 1.5
         - 1.6
         - 1.7
         - tip
@@ Expand Down @@