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local require_lanes_result_1, require_lanes_result_2 = require "lanes".configure(config).configure()
print("require_lanes_result:", require_lanes_result_1, require_lanes_result_2)
local lanes = require_lanes_result_1
local require_assert_result_1, require_assert_result_2 = require "_assert"
print("require_assert_result:", require_assert_result_1, require_assert_result_2)
local utils = lanes.require "_utils"
local PRINT = utils.MAKE_PRINT()
local lanes_gen = assert(lanes.gen)
local lanes_linda = assert(lanes.linda)
-- ##################################################################################################
-- ##################################################################################################
-- ##################################################################################################
-- we can create a generator where the lane body is a C function
do
local b, g = pcall(lanes.gen, "*", print)
assert(b == true and type(g) == "function")
-- we can start the lane
local b, h = pcall(g, "hello")
-- the lane runs normally
h:join()
assert(h.status == "done")
end
-- we can create a generator where the lane body is a C function that raises an error
do
local b, g = pcall(lanes.gen, "*", error)
assert(b == true and type(g) == "function")
-- we can start the lane
local b, h = pcall(g, "this is an error")
-- this provides the error that occurred in the lane
local s, e, t = h:join()
assert(h.status == "error")
assert(s == nil and e == "this is an error" and t == nil)
end
-- ##################################################################################################
-- ##################################################################################################
-- ##################################################################################################
local function task(a, b, c)
local new_name = "task("..a..","..b..","..c..")"
-- test lane naming change
lane_threadname(new_name)
assert(lane_threadname() == new_name)
--error "111" -- testing error messages
assert(hey)
local v=0
for i=a,b,c do
v= v+i
end
return v, hey
end
local gc_cb = function(name_, status_)
PRINT(" ---> lane '" .. name_ .. "' collected with status '" .. status_ .. "'")
end
-- ##################################################################################################
-- ##################################################################################################
-- ##################################################################################################
PRINT("\n\n", "---=== Tasking (basic) ===---", "\n\n")
local task_launch = lanes_gen("", { name = 'auto', globals={hey=true}, gc_cb = gc_cb }, task)
-- base stdlibs, normal priority
-- 'task_launch' is a factory of multithreaded tasks, we can launch several:
local lane1 = task_launch(100,200,3)
assert.fails(function() print(lane1[lane1]) end) -- indexing the lane with anything other than a string or a number should fail
lanes.sleep(0.1) -- give some time so that the lane can set its name
assert(lane1:get_threadname() == "task(100,200,3)", "Lane name is " .. lane1:get_threadname())
local lane2= task_launch(200,300,4)
-- At this stage, states may be "pending", "running" or "done"
local st1,st2= lane1.status, lane2.status
PRINT(st1,st2)
assert(st1=="pending" or st1=="running" or st1=="done")
assert(st2=="pending" or st2=="running" or st2=="done")
-- Accessing results ([1..N]) pends until they are available
--
PRINT("waiting...")
local v1, v1_hey= lane1[1], lane1[2]
local v2, v2_hey= lane2[1], lane2[2]
PRINT(v1, v1_hey)
assert(v1_hey == true)
PRINT(v2, v2_hey)
assert(v2_hey == true)
assert(lane1.status == "done")
assert(lane1.status == "done")
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