multiprocess: update multiprocess EventLoop construction to use options

This uses the constructors recently added upstream.

src/ipc/capnp/protocol.cpp

@@ -30,10 +30,10 @@
 namespace ipc {
 namespace capnp {
 namespace {
-void IpcLogFn(bool raise, std::string message)
+void IpcLogFn(mp::LogMessage message)
 {
-    LogDebug(BCLog::IPC, "%s\n", message);
+    LogDebug(BCLog::IPC, "%s\n", message.message);
-    if (raise) throw Exception(message);
+    if (message.level == mp::Log::Raise) throw Exception(message.message);
 }
 
 class CapnpProtocol : public Protocol
@@ -62,7 +62,10 @@ public:
     {
         assert(!m_loop);
         mp::g_thread_context.thread_name = mp::ThreadName(exe_name);
-        m_loop.emplace(exe_name, &IpcLogFn, &m_context);
+        mp::LogOptions opts = {
+            .log_fn = IpcLogFn,
+        };
+        m_loop.emplace(exe_name, std::move(opts), &m_context);
         if (ready_fn) ready_fn();
         mp::ServeStream<messages::Init>(*m_loop, fd, init);
         m_parent_connection = &m_loop->m_incoming_connections.back();
@@ -90,7 +93,10 @@ public:
         std::promise<void> promise;
         m_loop_thread = std::thread([&] {
             util::ThreadRename("capnp-loop");
-            m_loop.emplace(exe_name, &IpcLogFn, &m_context);
+            mp::LogOptions opts = {
+                .log_fn = IpcLogFn,
+            };
+            m_loop.emplace(exe_name, std::move(opts), &m_context);
             m_loop_ref.emplace(*m_loop);
             promise.set_value();
             m_loop->loop();