mirror of https://github.com/minetest/minetest.git
60 lines
1.3 KiB
Lua
60 lines
1.3 KiB
Lua
local tbl = engine or minetest
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tbl.async_jobs = {}
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if engine ~= nil then
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function tbl.async_event_handler(jobid, serialized_retval)
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local retval = nil
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if serialized_retval ~= "ERROR" then
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retval= marshal.decode(serialized_retval)
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else
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tbl.log("error","Error fetching async result")
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end
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assert(type(tbl.async_jobs[jobid]) == "function")
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tbl.async_jobs[jobid](retval)
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tbl.async_jobs[jobid] = nil
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end
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else
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minetest.register_globalstep(
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function(dtime)
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local list = tbl.get_finished_jobs()
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for i=1,#list,1 do
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local retval = marshal.decode(list[i].retval)
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assert(type(tbl.async_jobs[jobid]) == "function")
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tbl.async_jobs[list[i].jobid](retval)
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tbl.async_jobs[list[i].jobid] = nil
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end
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end)
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end
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function tbl.handle_async(fct, parameters, callback)
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--serialize fct
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local serialized_fct = marshal.encode(fct)
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assert(marshal.decode(serialized_fct) ~= nil)
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--serialize parameters
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local serialized_params = marshal.encode(parameters)
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if serialized_fct == nil or
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serialized_params == nil or
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serialized_fct:len() == 0 or
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serialized_params:len() == 0 then
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return false
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end
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local jobid = tbl.do_async_callback( serialized_fct,
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serialized_fct:len(),
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serialized_params,
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serialized_params:len())
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tbl.async_jobs[jobid] = callback
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return true
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end
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