7 files changed, 10 insertions, 5 deletions
diff --git a/pkg/sync/BUILD b/pkg/sync/BUILD
index 5340cf0d6..0e35d7d17 100644
--- a/pkg/sync/BUILD
+++ b/pkg/sync/BUILD
@@ -31,13 +31,13 @@ go_library(
     name = "sync",
     srcs = [
         "aliases.go",
-        "downgradable_rwmutex_unsafe.go",
         "memmove_unsafe.go",
+        "mutex_unsafe.go",
         "norace_unsafe.go",
         "race_unsafe.go",
+        "rwmutex_unsafe.go",
         "seqcount.go",
-        "syncutil.go",
-        "tmutex_unsafe.go",
+        "sync.go",
     ],
 )
 
@@ -45,9 +45,9 @@ go_test(
     name = "sync_test",
     size = "small",
     srcs = [
-        "downgradable_rwmutex_test.go",
+        "mutex_test.go",
+        "rwmutex_test.go",
         "seqcount_test.go",
-        "tmutex_test.go",
     ],
     library = ":sync",
 )
diff --git a/pkg/sync/aliases.go b/pkg/sync/aliases.go
index d2d7132fa..0d4316254 100644
--- a/pkg/sync/aliases.go
+++ b/pkg/sync/aliases.go
@@ -29,3 +29,8 @@ type (
 	// Map is an alias of sync.Map.
 	Map = sync.Map
 )
+
+// NewCond is a wrapper around sync.NewCond.
+func NewCond(l Locker) *Cond {
+	return sync.NewCond(l)
+}
diff --git a/pkg/sync/tmutex_test.go b/pkg/sync/mutex_test.go
index 0838248b4..0838248b4 100644
--- a/pkg/sync/tmutex_test.go
+++ b/pkg/sync/mutex_test.go
diff --git a/pkg/sync/tmutex_unsafe.go b/pkg/sync/mutex_unsafe.go
index 3dd15578b..3dd15578b 100644
--- a/pkg/sync/tmutex_unsafe.go
+++ b/pkg/sync/mutex_unsafe.go
diff --git a/pkg/sync/downgradable_rwmutex_test.go b/pkg/sync/rwmutex_test.go
index ce667e825..ce667e825 100644
--- a/pkg/sync/downgradable_rwmutex_test.go
+++ b/pkg/sync/rwmutex_test.go
diff --git a/pkg/sync/downgradable_rwmutex_unsafe.go b/pkg/sync/rwmutex_unsafe.go
index ea6cdc447..ea6cdc447 100644
--- a/pkg/sync/downgradable_rwmutex_unsafe.go
+++ b/pkg/sync/rwmutex_unsafe.go
diff --git a/pkg/sync/syncutil.go b/pkg/sync/sync.go
index b16cf5333..b16cf5333 100644
--- a/pkg/sync/syncutil.go
+++ b/pkg/sync/sync.go