feat: N=1 cooperative fiber scheduler replacing per-thread host threads - #137

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smmathews wants to merge 17 commits into

smmathews:feat/ultramodern-scheduler

Commits on Jul 7, 2026

feat: N=1 cooperative fiber scheduler replacing per-thread host threads
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simplify(fiber): dedup backends — shared GuardedStack RAII, shared TLS/current, drop SceFiber tls_pending_self
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simplify(thread): activeCounted mint/consume pair, resolveSelfOrThread prologue, self-exit mark helper
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simplify(runtime): encapsulate async-callback stack pool as a KernelStackPool allocator
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simplify(scheduler): reuse maybe_yield in yield_point; drop redundant lock in block_current borrowed-worker path
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simplify(sched): NonFiberBackoff::wait() primitive, single-source token-drop, fix log-once backoff warning
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simplify(sched): BlockResult 4->3 + holds_guest_token, strong-typed FiberToken, context-carrying stop callback
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simplify(sync): unify WaitEventFlag wait loop, publish/forceRelease helpers, markDeletedAndWake
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test(sched): ParkedHostWorker/SemaPair RAII + drain/poll helpers in the workload regression suite
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test(sched): callSyscall marshalling helper + shared drain/rdram helpers in the expansion suite
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Commits on Jul 15, 2026

Commits on Jul 21, 2026

Commits on Jul 22, 2026