105 lines
2.5 KiB
Factor
105 lines
2.5 KiB
Factor
USING: io memory namespaces tools.test threads threads.private kernel
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concurrency.combinators concurrency.promises locals math
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words calendar sequences fry ;
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IN: threads.tests
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! Bug #1319
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! The start-context-and-delete primitive calls reset_context which
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! causes reads to uninitialized locations in the data segment if it
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! gc:s
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TUPLE: tup1 a ;
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! This word attempts to fill the nursery so that there is less than 48
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! bytes of free space in it. The constant used to fill is volatile but
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! should work on 64 bit.
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: fill-nursery ( -- obj )
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minor-gc 48074 [ tup1 new ] replicate ;
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: do-reset-context ( -- val )
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! "main running" print flush
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[ "a" print ] "foo1" spawn drop
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[ "b" print ] "foo2" spawn drop
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[ "c" print ] "foo3"
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[ fill-nursery ] 2dip
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spawn drop
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0 seconds sleep ;
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{ 48074 } [
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do-reset-context length
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] unit-test
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3 "x" set
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[ 2 "x" set ] "Test" spawn drop
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{ 2 } [ yield "x" get ] unit-test
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{ } [ [ flush ] "flush test" spawn drop flush ] unit-test
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{ } [ [ "Errors, errors" throw ] "error test" spawn drop ] unit-test
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yield
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{ } [ 0.3 sleep ] unit-test
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[ "hey" sleep ] must-fail
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{ 3 } [ 3 self resume-with "Test suspend" suspend ] unit-test
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{ f } [ f get-global ] unit-test
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{ { 0 3 6 9 12 15 18 21 24 27 } } [
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10 iota [
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0 "i" tset
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[
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"i" [ yield 3 + ] tchange
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] times yield
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"i" tget
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] parallel-map
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] unit-test
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:: spawn-namespace-test ( -- ? )
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<promise> :> p gensym :> g
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g "x" [
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[ "x" get p fulfill ] "B" spawn drop
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] with-variable
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p ?promise g eq? ;
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{ t } [ spawn-namespace-test ] unit-test
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[ "a" [ 1 1 + ] spawn 100 sleep ] must-fail
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{ } [ 0.1 seconds sleep ] unit-test
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! Test thread-local variables
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<promise> "p" set
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5 "x" tset
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{ 5 } [ "x" tget ] unit-test
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{ } [ "x" [ 1 + ] tchange ] unit-test
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{ 6 } [ "x" tget ] unit-test
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! Are they truly thread-local?
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[ "x" tget "p" get fulfill ] in-thread
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{ f } [ "p" get ?promise ] unit-test
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! Test system traps inside threads
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{ } [ [ dup ] in-thread yield ] unit-test
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! The start-context-and-delete primitive wasn't rewinding the
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! callstack properly.
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! This got fixed for x86-64 but the problem remained on x86-32.
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! The unit test asserts that the callstack is empty from the
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! quotation passed to start-context-and-delete.
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{ 3 } [
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<promise> [
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'[
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_ [
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[ get-callstack swap fulfill stop ] start-context-and-delete
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] start-context-and-delete
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] in-thread
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] [ ?promise callstack>array length ] bi
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] unit-test
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