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local timer = require 'timer'
---@class task
local m = {}
m.type = 'task'
m.coTracker = setmetatable({}, { __mode = 'k' })
--- 设置错误处理器
---@param errHandle function {comment = '当有错误发生时，会以错误堆栈为参数调用该函数'}
function m.setErrorHandle(errHandle)
m.errorHandle = errHandle
end
--- 创建一个任务
function m.create(callback)
local co = coroutine.create(callback)
m.coTracker[co] = true
local suc, err = coroutine.resume(co)
if not suc and m.errorHandle then
m.errorHandle(debug.traceback(co, err))
end
end
--- 休眠一段时间
---@param time number
function m.sleep(time)
local co, main = coroutine.running()
if main then
if m.errorHandle then
m.errorHandle(debug.traceback('Cant sleep in main thread'))
end
return
end
timer.wait(time, function ()
local suc, err = coroutine.resume(co)
if not suc and m.errorHandle then
m.errorHandle(debug.traceback(co, err))
end
end)
return coroutine.yield()
end
--- 等待直到唤醒
---@param waker function
function m.wait(waker)
local co, main = coroutine.running()
if main then
if m.errorHandle then
m.errorHandle(debug.traceback('Cant wait in main thread'))
end
return
end
waker(function (...)
local suc, err = coroutine.resume(co, ...)
if not suc and m.errorHandle then
m.errorHandle(debug.traceback(co, err))
end
end)
return coroutine.yield()
end
return m
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