You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
2.6 KiB
Lua
54 lines
2.6 KiB
Lua
-- Copyright (c) 2011 by Ross Anderson <ross_j_anderson@yahoo.com>
|
|
--
|
|
-- Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
-- of this software and associated documentation files (the "Software"), to deal
|
|
-- in the Software without restriction, including without limitation the rights
|
|
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
-- copies of the Software, and to permit persons to whom the Software is
|
|
-- furnished to do so, subject to the following conditions:
|
|
--
|
|
-- The above copyright notice and this permission notice shall be included in
|
|
-- all copies or substantial portions of the Software.
|
|
--
|
|
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
-- THE SOFTWARE.
|
|
|
|
local llthreads = require"llthreads"
|
|
|
|
--- level 0 string literal enclosure [[ ]]
|
|
local thread_code = [[
|
|
print("CHILD: received params:", ...)
|
|
local llthreads = require"llthreads" -- need to re-declare under this scope
|
|
local t = {} -- thread storage table
|
|
-- create a new child thread - with level 1 literal string [=[ ]=] enclosures, level 2 would be [==[ ]==]
|
|
local executed_child_code = [=[
|
|
return 'Hello from child sub-thread, new input params:', ...
|
|
]=]
|
|
-- first child sub-thread
|
|
local thread1 = llthreads.new(executed_child_code , "number:", 1001, "nil:", nil, "bool:", true)
|
|
assert(thread1:start()) -- start new child sub-thread
|
|
table.insert(t, 1, thread1) -- insert thread into thread table
|
|
-- second child sub-thread
|
|
local thread2 = llthreads.new(executed_child_code , "number:", 1002, "nil:", nil, "bool:", true)
|
|
assert(thread2:start()) -- start new child sub-thread
|
|
table.insert(t, 1, thread2) -- insert thread into thread table
|
|
-- wait for all child sub-threads to complete before returning to root
|
|
while true do
|
|
print("PARENT: child returned: ", t[1]:join())
|
|
table.remove(t,1)
|
|
if (#t <= 0) then break end
|
|
end
|
|
return ... -- return the parents' input params back to the root
|
|
]]
|
|
|
|
-- create child thread.
|
|
local thread = llthreads.new(thread_code, "number:", 1234, "nil:", nil, "bool:", true)
|
|
-- start joinable child thread.
|
|
assert(thread:start())
|
|
print("Root: child returned: ", thread:join())
|