coro: add the stackless preemptive runtime core - #2158

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cpunion wants to merge 324 commits into

xgo-dev:mainfrom

cpunion:llvm-coro

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Commits on Jul 16, 2026

feat(coro): demand ABI method table entries
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8629ea5
feat(coro): freeze frontend lowered call edges
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c1b5f56
feat(ssa): resolve compiler-lowered runtime calls
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8d09749
build: sync coroutine bindings with upstream LLVM 22
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d47b16b
target(wasm): link freestanding allocator without BDWGC
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e2d62df
runtime(coro): add preemptive park and wake core
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d9694a3
compiler(coro): lower synchronous Go style onto LLVM frames
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fa09d82
docs(coro): record executable park and wasm prototype
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95288ed
test(coro): accept LLVM 20 GEP no-wrap flags
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a63666d
ci(coro): accept target-selected nogc allocator
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7bb9c10
test(coro): keep debug parameters across frame lowering
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1734c3a
runtime(coro): add closed static G spawn transaction
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6d0723f
runtime(coro): cancel ready Gs on command main return
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9335f0b
compiler(coro): lower closed static goroutine spawn
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1f2e76c
docs(coro): record closed static spawn prototype
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14fb36e
test(coro): avoid copying build context lock
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b61c8bb
compiler(coro): reserve explicit status panic ABI
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b2c8555
test(coro): link and run native static spawn island
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825e984
runtime(coro): add terminal explicit panic state machine
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020a8aa
docs(coro): record runnable spawn and panic core
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f3bdeea
runtime(coro): export terminal panic handoff
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7448583
compiler(coro): lower terminal explicit panic status
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1c8829e
build(coro): retain explicit panic prepare hook
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b6e3641
test(coro): run terminal panic scheduler island
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docs(coro): record terminal panic prototype
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61b9937
Merge pull request #23 from cpunion/coro/phase14-plain-dispatch
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1c84c1d
runtime(coro): add stable wait registration
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9062fa3
docs(coro): record stable wait registration
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b2ed427
docs(coro): include wait draining transition
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51960fa
Merge pull request #24 from cpunion/coro/phase15-wait-registration
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ee1c84d
runtime(coro): add stable executor request gate
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0e24a2c
docs(coro): specify executor request protocol
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d3af7df
refactor(coro): clarify executor slot reuse
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6e076cf
Merge pull request #25 from cpunion/coro/phase16-executor-gate
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5253adb
runtime(coro): bind executor driver to scheduler
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56be0d1
docs(coro): document executor driver contract
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a11bd25
refactor(coro): clarify executor drain invariants
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3e401da
test(coro): stub bounds checks in runtime islands
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748bbab
Merge pull request #26 from cpunion/coro/phase17-executor-driver
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155eca5
runtime(coro): add handle-free terminal executor close
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e721822
docs(coro): specify terminal executor handoff
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5d3dd68
test(coro): assert terminal close handle stays nil
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3894e23
Merge pull request #27 from cpunion/coro/phase18-terminal-close
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e9c2a31
runtime/coro: serialize retained drive admission
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376a282
runtime,build: drive static target continuations
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8ebbcc7
docs(coro): specify target reentry lifecycle
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50c10d6
runtime/coro: clarify initial drive ownership
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f931965
Merge pull request #28 from cpunion/coro/phase19-runtime-dispatch
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7d57e29
runtime/coro: add target ingress barrier
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4a43526
runtime: add POSIX coroutine doorbell
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1ade16a
runtime(coro): add native pipe executor target
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939df3d
build(coro): retain native producer ingress
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a25d70e
docs(coro): describe native retained doorbell
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418e457
build(coro): reserve native doorbell capability tag
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0ff2376
Merge pull request #29 from cpunion/coro/phase20-native-doorbell
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70e68c2
runtime/coro: make wait preparation transactional
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3d6a271
runtime(coro): expose guarded wait owner ABI
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cc09f4f
test(coro): run real pthread ingress through native poll
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91e1c14
build(coro): reserve native ingress test capability
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017b10d
Merge pull request #30 from cpunion/coro/phase21-native-ingress-e2e
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2c2c1b6
runtime/coro: add fixed-capacity timer registrations
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4eb4ca5
runtime/coro: add native monotonic clock
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2277d90
runtime/coro: bound native poll by timer deadline
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5373514
build/coro: reserve native timer capability
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6942b09
runtime/coro: integrate timer source with executor driver
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471d95b
runtime/coro: preserve timer deadlines across EINTR
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0c57bf3
runtime/coro: preempt sole runners for active timers
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b0a68cb
runtime/coro: connect native timer-aware executor
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5d67177
build/coro: bind native timer owner ABI
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6bbda62
test/coro: include split native target helpers
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862ec93
test/coro: keep host timer unit out of llgo variants
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2a9f192
runtime/coro: isolate timer deadline arithmetic
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aec83c6
compiler/coro: certify timer-retained frame locals
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19f88a5
runtime/coro: add fail-stop timer frame owners
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97ad027

Commits on Jul 17, 2026

runtime/time: use native coroutine timer for Sleep
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5bd349c
test/coro: run native timer source end to end
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67a8cb6
docs/coro: record native timer Sleep prototype
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079c7fd
test/coro: cover timer source contracts in CI
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a4be3f4
test/coro: expose POSIX clock APIs in timer E2E
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3aaf1fa
test/coro: avoid copying Compilation locks
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0726222
doc: define unified coroutine async core contract
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e70788c
runtime/coro: centralize executor event sources
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9e3a327
runtime/coro: decouple service preemption from timers
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5eccd65
doc: track unified async core progress
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a6ad282
runtime/coro: add multi-source park operation core
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4a7eb4c
runtime/coro: slim park resolution and add task cancellation
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ad9e5cf
runtime/coro: integrate multi-source park resume gate
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f698973
runtime/coro: resolve source facts after quiet cut
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24a55fd
doc: extend async runtime model comparisons
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391b517
runtime/coro: deduplicate affected wait sets after quiet cut
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doc: define affected wait-set promotion record
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4fe474e
runtime/coro: add scalar resume decision ABI
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ae04f12
runtime/coro: add unified manual operation source
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doc: record manual source integration status
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9b830da
runtime/coro: promote affected wait sets in linear time
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81a3f26
compiler/coro: gate every resumed continuation
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ee03994
runtime/coro: add generation-stable task control source
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4f8fa06
runtime/coro: promote each bounded publication epoch
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cbd502c
doc: define bounded unified async core contracts
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ssa/coro: add terminating resume dispatch gates
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runtime/coro: apply resolved wait candidates directly
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doc: define route-safe bounded executor slices
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5fca3a3
runtime/coro: migrate monotonic timers to operation V2
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compiler/coro: dispatch zero-ticket resume decisions
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doc: prioritize bounded progress and commit-capable select
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runtime/coro: route operation identities across executors
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runtime/coro: bind V2 timers to executor routes
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doc: record route-safe timer identities
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402d90e
compiler/coro: remove unused full-ticket signature
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066ea0f
ci: focus stacked coroutine pull requests
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09bd3a7
build/coro: cover pointer nil guards in native islands
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e04bdaf
doc: align async core with commit and reduction models
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e2e2451
runtime/coro: bound production source catalog progress
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fc294ee
runtime/coro: add commit-capable select core
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b65c169
runtime/coro: bound published epoch resolution
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32582ad
runtime/coro: share producer admission core
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3d70599
runtime/coro: make operation result ownership explicit
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27d4f39
runtime/coro: add scalar result payload core
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c7d01bf
runtime/coro: keep scalar cleanup fail-safe
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runtime/coro: require exact resume gate take
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runtime/coro: model resume gate in adapter tests
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b3b167a
runtime/coro: bound registered task control delivery
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ce819a5
runtime/coro: add resumable executor run slices
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e52968b
runtime/coro: cancel queued runner continuations on main return
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a061595
runtime/coro: guard bounded runner boundaries
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6284e62
runtime/coro: preserve command bootstrap handoff order
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cbcc992
docs: define bounded bootstrap handoff ordering
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05a6343
runtime/coro: share producer source lifecycle core
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runtime/coro: add bounded host run-slice ABI
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Merge pull request #31 from cpunion/coro/phase22-native-timer-source
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Merge pull request #32 from cpunion/coro/phase23-unified-async-core
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cf750cd
Merge pull request #33 from cpunion/coro/phase29-result-ownership
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e5e896e
Merge pull request #35 from cpunion/coro/phase30b-exact-resume-gate
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1814b81
Merge pull request #36 from cpunion/coro/phase30c-taskcontrol-o1
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16ae497
Merge pull request #37 from cpunion/coro/phase31-bounded-runner
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838e374
Merge pull request #38 from cpunion/coro/phase31a-operation-source-core
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5600920
Merge llvm-coro into scalar result payload core
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Merge remote-tracking branch 'origin/llvm-coro' into coro/phase31b-host-budget-return
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db789a4
build/coro: drive native programs with bounded slices
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2564124
Merge pull request #34 from cpunion/coro/phase30-scalar-result-payload
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6dfbc7e
Merge remote-tracking branch 'origin/llvm-coro' into coro/phase31b-host-budget-return
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ef866f1
build/coro: simplify V2 result type check
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Merge pull request #39 from cpunion/coro/phase31b-host-budget-return
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runtime/coro: add channel claim core
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bfa75ed
runtime/coro: add channel select claim core
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dc52a41
doc/coro: clarify channel claim completion boundary
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c26fdeb
runtime/coro: add single channel commit transaction
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3195aee
runtime/coro: expose channel pair commit transaction
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416e2d2
runtime/coro: bind production channel source
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beeb232
runtime/coro: publish channel endpoints before suspend
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19ee581
ssa/coro: add conditional exact resume dispatch
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d6b82a5
runtime/coro: add single channel park owner transaction
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2d1dc84
cl,runtime: lower stackless channel operations
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cdbc4d0
runtime/coro: release failed channel reservations
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cl,runtime: add stackless coroutine channel lowering (#40)
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runtime/coro: drain channel parks before command close
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runtime/coro: reject nil command drain main
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91d70d2

Commits on Jul 18, 2026

Merge pull request #41 from cpunion/coro/phase34-channel-native-e2e
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e80ce9a
cl,runtime: add stackless coroutine channel select
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83e9cc7
cl: reject nil coroutine select channels
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5da3f38
Merge pull request #42 from cpunion/coro/phase35-select
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897d251
doc: design sparse coroutine lowering IR
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ca698e4
doc: normalize coroutine design terminology
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918fc6c
runtime/coro: add worker operation source core
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54df2b3
runtime/coro: integrate worker source catalog
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runtime: add native coroutine worker call leaf
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runtime/coro: add worker park owner transaction
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internal/coro: model sparse physical lowering overlay
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runtime/coro: service workers in bounded executor polls
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internal/coro: add sparse lowering facts model
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runtime: add fixed native coroutine worker pool
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internal/build: add synchronous stdlib coroutine gates
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cl: build report-only coroutine lowering facts
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internal/build: wire stdlib gates to coro workers
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66ddcd9
runtime: route poll waits through syscall workers
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cl: freeze coroutine SSA callable operand shapes
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coro: lower scalar syscalls through native workers
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runtime/sync: avoid captured TLS pool cleanup
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cl: canonicalize exact Go linkname definitions
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runtime/coro: cover nine-argument native worker calls
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internal/coro: certify retained assembly leaves
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internal/plan9asm: prove retained no-suspend call closures
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cl: admit closed plain interface invokes in coroutines
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runtime: certify monotonic clock reads as nonblocking
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cl: lower static coroutine method receivers
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cl: freeze FuncPCABI0 coroutine lowering
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internal/coro: resolve CHA through effective types
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cl: lower static defer cleanup in coroutines
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cl: freeze stdlib runtime frontend proofs
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internal/coro: restrict scalar CHA to address-taken functions
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runtime/syscall: expose fixed Darwin worker call sites
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internal/build: trace coroutine bootstrap blockers
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runtime: statically dispatch type hash and equality
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runtime: statically compare exported efaces
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runtime: keep terminal panic trace synchronous
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internal/build: separate plain bodies from dispatch values
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runtime: bound raw panic formatting
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b2cb255
runtime: bound terminal panic traceback
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runtime: keep panic nil check scalar
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runtime/reflect: statically dispatch type equality
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261adc6
runtime: use bounded native string comparison
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51ad995
runtime/clite: certify memcmp as nonblocking
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ssa: add coroutine dynamic descriptor primitive
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cl: freeze closed interface coroutine dispatch
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3c03558

Commits on Jul 20, 2026

Commits on Jul 21, 2026

ci: split exhaustive coroutine lanes
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5a4a8b9
coro: bind lowering facts into build identity
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f5cc8c6
runtime: route timer and poll through executor fleet
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22ecc61
test: avoid copying compilation lock state
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runtime: share physical runner across executor domains
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0c19fb1
runtime: route worker completions across executor domains
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225bdea
ci: close native runtime island source sets
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runtime: arm empty executor domains for standby
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runtime: add exact fleet reactor wait pass
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test: follow split coroutine runtime sources
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coro: adopt existing executor into fleet
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runtime: adopt program domain into native fleet
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runtime: run native coroutine fleet peer
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runtime: route channels across coroutine fleet
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4855dae

Commits on Jul 22, 2026

coro: retain channel waits in coroutine frames
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2529f46
runtime: balance native coroutine fleet work
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1bd546f
runtime: route poll and workers through native fleet
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coro: freeze architecture cutover gates
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coro: make helper SitePlan the production authority
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coro: freeze intrinsic and elision SitePlans
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edcfd94
coro: freeze physical proof and fault plans
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561a3ec
coro: isolate physical emission sessions
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0368746
coro: unify single-event park emission
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coro: route channel parks through unified emitter
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c8ac949
Merge pull request #44 from cpunion/coro/ir-events-timer
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coro: freeze local SSA semantics in program IR
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c35f079
coro: freeze await and spawn control recipes
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coro: freeze channel operation recipes
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coro: freeze completion outcome recipes
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coro: centralize physical call and storage recipes
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coro: hard cut over to one compiler profile
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coro: select one native runtime target
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coro: complete the single-track runtime cutover
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Merge xgo-dev/main into llvm-coro
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coro: integrate upstream runtime ABI updates
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ci: re-enable full workflows for integrated coroutine PR
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coro: close target and Go compatibility gates
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runtime: preserve standard terminal panic text
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coro: close stdlib and library integration gaps
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runtime: preserve sync pool thread-local values
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ci: allow complete target catalog validation
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