Add 'xo-reactor/' from commit 'e3a53d10e6'

git-subtree-dir: xo-reactor
git-subtree-mainline: dd1a6b1afc
git-subtree-split: e3a53d10e6

xo-reactor/src/reactor/Reactor.cpp

@@ -0,0 +1,40 @@
+/* file Reactor.cpp
+ *
+ * author: Roland Conybeare, Sep 2022
+ */
+
+#include "Reactor.hpp"
+#include "init_reactor.hpp"
+#include "xo/subsys/Subsystem.hpp"
+
+namespace xo {
+    namespace reactor {
+        Reactor::Reactor() {
+            /* ensure reactor subsystem + deps initialized */
+
+            InitSubsys<S_reactor_tag>::require();
+
+            Subsystem::initialize_all();
+        }
+
+        std::uint64_t
+        Reactor::run_n(int32_t n)
+        {
+            std::uint64_t retval = 0;
+
+            if (n == -1) {
+                for (;;) {
+                    retval += this->run_one();
+                }
+            } else {
+                for (int32_t i=0; i<n; ++i) {
+                    retval += this->run_one();
+                }
+            }
+
+            return retval;
+        } /*run_n*/
+    } /*namespace reactor*/
+} /*namespace xo*/
+
+/* end Reactor.cpp */