Benchmark refactoring, zero delay submit and unified HTTP layer.

src/base/io/Async.cpp

@@ -119,6 +119,7 @@ namespace xmrig {
 class AsyncPrivate
 {
 public:
+    Async::Callback callback;
     IAsyncListener *listener    = nullptr;
     uv_async_t *async           = nullptr;
 };
@@ -127,6 +128,16 @@ public:
 } // namespace xmrig
 
 
+xmrig::Async::Async(Callback callback) : d_ptr(new AsyncPrivate())
+{
+    d_ptr->callback     = std::move(callback);
+    d_ptr->async        = new uv_async_t;
+    d_ptr->async->data  = this;
+
+    uv_async_init(uv_default_loop(), d_ptr->async, [](uv_async_t *handle) { static_cast<Async *>(handle->data)->d_ptr->callback(); });
+}
+
+
 xmrig::Async::Async(IAsyncListener *listener) : d_ptr(new AsyncPrivate())
 {
     d_ptr->listener     = listener;

src/base/io/Async.h

@@ -25,6 +25,9 @@
 #include "base/tools/Object.h"
 
 
+#include <functional>
+
+
 namespace xmrig {
 
 
@@ -37,6 +40,9 @@ class Async
 public:
     XMRIG_DISABLE_COPY_MOVE_DEFAULT(Async)
 
+    using Callback = std::function<void()>;
+
+    Async(Callback callback);
     Async(IAsyncListener *listener);
     ~Async();