pixiecore/cli: add missing file with logging functions.

pixiecore/cli/logging.go

@@ -0,0 +1,32 @@
+// Copyright © 2016 David Anderson <dave@natulte.net>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cli
+
+import (
+	"fmt"
+	"sync"
+)
+
+var logSync sync.Mutex
+
+func logStdout(subsys, msg string) {
+	logSync.Lock()
+	defer logSync.Unlock()
+	fmt.Printf("[%s] %s\n", subsys, msg)
+}
+
+func debugLog(subsys, msg string) {
+	logStdout("DEBUG-"+subsys, msg)
+}