[V4] Cancellation 2.0#72

Merged

ConorWilliams merged 123 commits intomodulesfrom

v4-cancellation

Apr 19, 2026

Commits on Apr 9, 2026

sketch
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spell
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Commits on Apr 10, 2026

await suspend
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in final suspend
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todo
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root declares what it is
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final suspend loop on cancel
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restore assert
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remove pre-suspend check
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owning parent
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return adr abstraction
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Revert "owning parent"
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extra template param in pkg
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op overloads
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check return is non null
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todo
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cancel propagation
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PERF: move propagation to await_transform
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PERF: move check
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Revert "PERF: move check"
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Revert "PERF: move propagation to await_transform"
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split final suspend
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Revert "remove pre-suspend check"
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Reapply "remove pre-suspend check"
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drop inline forcing
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revert owner split release
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unranched
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Revert "unranched"
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unique types in pkg
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Commits on Apr 15, 2026

comments
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better names
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rm comments
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full pre-release
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full fused release
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Revert "full fused release"
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double branch reduced
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Revert "double branch reduced"
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fixup negation
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fixup todo
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refactor names of final suspend parts
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set cancellation in await suspend
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unconditional cancel test
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bad
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Revert "bad"
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Revert "unconditional cancel test"
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rm comment
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constify
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add todo
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add todo
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Commits on Apr 17, 2026

cancel test
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join cancel fix
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cancel fuzz
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fix conditional
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agents tweaks
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Revert "cancel fuzz"
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todo
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first pass
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second pass
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touchup inculdes
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drop C from bench
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no fixed import
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all use full imports
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tidy up cmakelists
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alternative handling of cancel at join
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further refine cancel path
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tmp
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not all threads
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don't use internal
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complexity
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Revert "cancel test"
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structure for stop.cxx
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stop.cxx
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use stop.cxx
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better op names
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todo
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cancel tests
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root package propagates exception
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stop plumbed
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fix infinite loop
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access the stop source of the reciver
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todo
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allow early cancellation of root
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tmp cancel
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co_await scope()
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no export stop source
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explicitly default initialize
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basic cancel test
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busy versions
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tests
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Commits on Apr 18, 2026

Commits on Apr 19, 2026

move external to benchmark
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stop token
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use stop token
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split ops
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markdown (delete before merge)
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fix promise
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fix tests
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reciever changes
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todo
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use scoped join
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format
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rename 1
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rename 2
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rename 3
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rename 4
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rename 5
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rm dead file
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rename 6
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rename 7
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rename 8
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restore comment
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nicer name
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complexity notes
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more tests
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dynamic section
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rename
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gaurd max
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update comments
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drop branch
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drop template
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