threads/queue.lua at master · torch/threads · GitHub

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localclib=require'libthreads'

localunpack=unpackortable.unpack
localQueue=clib.Queue

functionQueue:addjob(callback, ...)
localargs= {...}
localstatus, msg=pcall(
function()
self.mutex:lock()
whileself.isfull==1do
self.notfull:wait(self.mutex)
end

localserialize=require(self.serialize)

self:callback(self.tail, serialize.save(callback))
self:arg(self.tail, serialize.save(args))

self.tail=self.tail+1
ifself.tail==self.sizethen
self.tail=0
end
ifself.tail==self.headthen
self.isfull=1
end
self.isempty=0

self.mutex:unlock()
self.notempty:signal()
end
 )
ifnotstatusthen
print(string.format('FATAL THREAD PANIC: (addjob) %s', msg))
os.exit(-1)
end
end

functionQueue:dojob()
localstatus, msg=pcall(
function()
localserialize=require(self.serialize)

self.mutex:lock()
whileself.isempty==1do
self.notempty:wait(self.mutex)
end


localcallback=serialize.load(self:callback(self.head))
localargs=serialize.load(self:arg(self.head))

self.head=self.head+1
ifself.head==self.sizethen
self.head=0
end
ifself.head==self.tailthen
self.isempty=1
end
self.isfull=0

self.mutex:unlock()
self.notfull:signal()

localres= {callback(unpack(args))} -- note: args is a table for sure
returnres
end
 )
ifnotstatusthen
print(string.format('FATAL THREAD PANIC: (dojob) %s', msg))
os.exit(-1)
end
returnunpack(msg)
end

returnQueue