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Add API to cancel async jobs (#14602)

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* Implement API to cancel async jobs

Co-authored-by: sfan5 <sfan5@live.de>

* update AsyncJob:cancel documentation from review

* Use IPC to unblock async

* review

* review async unblocking

* review

* Apply suggestions from code review

Co-authored-by: sfan5 <sfan5@live.de>

* minor licensing

---------

Co-authored-by: y5nw <y5nw@protonmail.com>
Co-authored-by: sfan5 <sfan5@live.de>
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y5nw 2025-08-26 12:40:31 +02:00 • committed by GitHub
parent 7cbe62fe7b
commit f390137d6e
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12 changed files with 229 additions and 78 deletions
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17
builtin/game/async.lua
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@ -8,15 +8,24 @@ function core.async_event_handler(jobid, retval)
core.async_jobs[jobid] = nil
end
local job_metatable = {__index = {}}
function job_metatable.__index:cancel()
local cancelled = core.cancel_async_callback(self.id)
if cancelled then
core.async_jobs[self.id] = nil
end
return cancelled
end
function core.handle_async(func, callback, ...)
assert(type(func) == "function" and type(callback) == "function",
"Invalid core.handle_async invocation")
local args = {n = select("#", ...), ...}
local mod_origin = core.get_last_run_mod()
local jobid = core.do_async_callback(func, args, mod_origin)
core.async_jobs[jobid] = callback
local id = core.do_async_callback(func, args, mod_origin)
core.async_jobs[id] = callback
return true
return setmetatable({id = id}, job_metatable)
end