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-rw-r--r--builtin/mainmenu/async_event.lua32
1 files changed, 32 insertions, 0 deletions
diff --git a/builtin/mainmenu/async_event.lua b/builtin/mainmenu/async_event.lua
new file mode 100644
index 000000000..04bfb78d6
--- /dev/null
+++ b/builtin/mainmenu/async_event.lua
@@ -0,0 +1,32 @@
+
+core.async_jobs = {}
+
+local function handle_job(jobid, serialized_retval)
+ local retval = core.deserialize(serialized_retval)
+ assert(type(core.async_jobs[jobid]) == "function")
+ core.async_jobs[jobid](retval)
+ core.async_jobs[jobid] = nil
+end
+
+core.async_event_handler = handle_job
+
+function core.handle_async(func, parameter, callback)
+ -- Serialize function
+ local serialized_func = string.dump(func)
+
+ assert(serialized_func ~= nil)
+
+ -- Serialize parameters
+ local serialized_param = core.serialize(parameter)
+
+ if serialized_param == nil then
+ return false
+ end
+
+ local jobid = core.do_async_callback(serialized_func, serialized_param)
+
+ core.async_jobs[jobid] = callback
+
+ return true
+end
+