1 files changed, 30 insertions, 0 deletions
diff --git a/src/go/pkg/safewriter/writer.go b/src/go/pkg/safewriter/writer.go
new file mode 100644
index 000000000..533c1055d
--- /dev/null
+++ b/src/go/pkg/safewriter/writer.go
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package safewriter
+
+import (
+	"io"
+	"os"
+	"sync"
+)
+
+var Stdout = New(os.Stdout)
+
+func New(w io.Writer) io.Writer {
+	return &writer{
+		mx: &sync.Mutex{},
+		w:  w,
+	}
+}
+
+type writer struct {
+	mx *sync.Mutex
+	w  io.Writer
+}
+
+func (w *writer) Write(p []byte) (n int, err error) {
+	w.mx.Lock()
+	n, err = w.w.Write(p)
+	w.mx.Unlock()
+	return n, err
+}