lg2: commit: add stubs to support new sdbusplus events

Create empty stubs for the commit functions from the new event
log design[1].

[1]: https://github.com/openbmc/docs/blob/master/designs/event-logging.md

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I8c0232858f41b875e78d5e41f17c065ca727429d
diff --git a/lib/include/phosphor-logging/commit.hpp b/lib/include/phosphor-logging/commit.hpp
new file mode 100644
index 0000000..aa34df3
--- /dev/null
+++ b/lib/include/phosphor-logging/commit.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include <phosphor-logging/lg2/commit.hpp>
+#include <sdbusplus/async.hpp>
+#include <sdbusplus/exception.hpp>
+
+namespace lg2
+{
+/** Commit a generated event/error.
+ *
+ *  @param t - The event to commit.
+ *  @return The object path of the resulting event.
+ *
+ *  Note: Similar to elog(), this will use the default dbus connection to
+ *  perform the operation.
+ */
+template <typename T>
+    requires std::is_base_of_v<sdbusplus::exception::generated_event_base, T>
+auto commit(T&& t) -> sdbusplus::message::object_path
+{
+    return details::commit(std::forward<T>(t));
+}
+
+/** Commit a generated event/error (using async context).
+ *
+ *  @param ctx - The async context to use.
+ *  @param t - The event to commit.
+ *  @return The object path of the resulting event.
+ */
+template <typename T>
+    requires std::is_base_of_v<sdbusplus::exception::generated_event_base, T>
+auto commit(sdbusplus::async::context& ctx,
+            T&& t) -> sdbusplus::async::task<sdbusplus::message::object_path>
+{
+    return details::commit(ctx, std::forward<T>(t));
+}
+
+} // namespace lg2
diff --git a/lib/include/phosphor-logging/lg2/commit.hpp b/lib/include/phosphor-logging/lg2/commit.hpp
new file mode 100644
index 0000000..47c5be1
--- /dev/null
+++ b/lib/include/phosphor-logging/lg2/commit.hpp
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <sdbusplus/async.hpp>
+#include <sdbusplus/exception.hpp>
+
+namespace lg2::details
+{
+
+/* Non-template versions of the commit functions */
+
+auto commit(sdbusplus::exception::generated_event_base&& t)
+    -> sdbusplus::message::object_path;
+
+auto commit(sdbusplus::async::context& ctx,
+            sdbusplus::exception::generated_event_base&& t)
+    -> sdbusplus::async::task<sdbusplus::message::object_path>;
+
+} // namespace lg2::details
diff --git a/lib/lg2_commit.cpp b/lib/lg2_commit.cpp
new file mode 100644
index 0000000..2c20311
--- /dev/null
+++ b/lib/lg2_commit.cpp
@@ -0,0 +1,21 @@
+#include <phosphor-logging/lg2/commit.hpp>
+#include <sdbusplus/async.hpp>
+#include <sdbusplus/exception.hpp>
+
+namespace lg2::details
+{
+
+auto commit([[maybe_unused]] sdbusplus::exception::generated_event_base&& t)
+    -> sdbusplus::message::object_path
+{
+    return {};
+}
+
+auto commit([[maybe_unused]] sdbusplus::async::context& ctx,
+            [[maybe_unused]] sdbusplus::exception::generated_event_base&& t)
+    -> sdbusplus::async::task<sdbusplus::message::object_path>
+{
+    co_return {};
+}
+
+} // namespace lg2::details
diff --git a/lib/meson.build b/lib/meson.build
index 1e2f51f..3c7e3fc 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -16,6 +16,7 @@
 phosphor_logging_lib = library(
     'phosphor_logging',
     'elog.cpp',
+    'lg2_commit.cpp',
     'lg2_logger.cpp',
     'sdjournal.cpp',
     phosphor_logging_gen,