sinks now parameterized by mutex T

include/c11log/sinks/stdout_sinks.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <iostream>
+#include <mutex>
+#include "ostream_sink.h"
+#include "../details/null_mutex.h"
+
+namespace c11log
+{
+namespace sinks
+{
+
+template <class Mutex>
+class stdout_sink : public ostream_sink<Mutex>
+{
+public:
+    stdout_sink() : ostream_sink<Mutex>(std::cout) {}
+};
+
+typedef stdout_sink<std::mutex> stdout_sink_mt;
+typedef stdout_sink<details::null_mutex> stdout_sink_st;
+
+template <class Mutex>
+class stderr_sink : public ostream_sink<Mutex>
+{
+public:
+    stderr_sink() : ostream_sink<Mutex>(std::cerr) {}
+};
+
+typedef stderr_sink<std::mutex> stderr_sink_mt;
+typedef stderr_sink<details::null_mutex> stderr_sink_st;
+}
+}