Streams: one PipeReader loop with owned chunks, hold-not-adopt buffer pins, right-sized native pulls - #38886

Merged

Jarred-Sumner merged 23 commits into

mainfrom

claude/pipe-read-buffer-guard

Aug 15, 2026

Commits on Aug 15, 2026

PipeReader: keep the outer read loop's scratch claim when a nested read is refused
robobun
committed
720b4b3
PipeReader: make the per-loop read scratch a claim on its owner
Jarred-Sumner
committed
b34f8d0
PipeReadScratch: thin Option<Box<[_; N]>> instead of a boxed slice
Jarred-Sumner
committed
281ac60
PipeReadScratch: guard holds raw pointers, zeroed buffer
Jarred-Sumner
committed
944b574
readFile: cap the pre-stat read at max_size
Jarred-Sumner
committed
3433c6a
PipeReadScratch: interior-mutable state so a refused nested claim never forms &mut over the outer guard
Jarred-Sumner
committed
a8fb11f
PipeReadScratch: guard is a shared borrow of the owner
Jarred-Sumner
committed
76845dd
html-rewriter test: pace the locked-reader test by its reads, not setImmediate ticks
Jarred-Sumner
committed
48c2d44
VirtualMachine: project the pipe-read scratch through a raw RareData pointer
Jarred-Sumner
committed
8587b96
PipeReader: one read loop that tells consumers who owns each chunk
Jarred-Sumner
committed
3ba5cdd
PipeReader: keep the uv buffer range check type-checked in release
Jarred-Sumner
committed
465f179
PipeReader: close before delivering the final chunk so a nested pull sees the reader done
Jarred-Sumner
committed
e424871
shell-pipe-read-fault: the read loop now delivers the bytes read before a failing re-arm
Jarred-Sumner
committed
ed8135e
PipeReader: read_into reports Progress on a hung-up pipe until the 0-byte read; box the scratch; fold in readFileSync and nested-'data' regression tests
Jarred-Sumner
committed
46a521f
restore bun.lock
Jarred-Sumner
committed
da7fe6d
[autofix.ci] apply automated fixes
autofix-ci[bot]
authored
a3a8bae
Hold, don't adopt, a bufferless typed array pinned for a threadpool op; hand JS pulls a right-sized copy for partial fills
Jarred-Sumner
committed
626627b
native ReadableStream pull: size the slab to what the source delivers
Jarred-Sumner
committed
f7b9e5b
pin: report what was pinned instead of tracking held views in a table
Jarred-Sumner
committed
9bc9e86
[autofix.ci] apply automated fixes
autofix-ci[bot]
authored
ec3c707
tests: pin contract is per storage kind now; pull chunks are right-sized copies
Jarred-Sumner
committed
4d732b6
FileReader (Windows): stop the completion-driven reader at the highwater mark when no read is parked, restart it on pull
Jarred-Sumner
committed
a095452
html-rewriter test: allow the one in-flight completion on Windows in the idle-reader check
Jarred-Sumner
committed
6d64efb

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Streams: one PipeReader loop with owned chunks, hold-not-adopt buffer pins, right-sized native pulls - #38886

Streams: one PipeReader loop with owned chunks, hold-not-adopt buffer pins, right-sized native pulls#38886
Jarred-Sumner merged 23 commits into
mainfrom
claude/pipe-read-buffer-guard

Commits on Aug 15, 2026

PipeReader: keep the outer read loop's scratch claim when a nested read is refused

PipeReader: make the per-loop read scratch a claim on its owner

PipeReadScratch: thin Option<Box<[_; N]>> instead of a boxed slice

PipeReadScratch: guard holds raw pointers, zeroed buffer

readFile: cap the pre-stat read at max_size

PipeReadScratch: interior-mutable state so a refused nested claim never forms &mut over the outer guard

PipeReadScratch: guard is a shared borrow of the owner

html-rewriter test: pace the locked-reader test by its reads, not setImmediate ticks

VirtualMachine: project the pipe-read scratch through a raw RareData pointer

PipeReader: one read loop that tells consumers who owns each chunk

PipeReader: keep the uv buffer range check type-checked in release

PipeReader: close before delivering the final chunk so a nested pull sees the reader done

shell-pipe-read-fault: the read loop now delivers the bytes read before a failing re-arm

PipeReader: read_into reports Progress on a hung-up pipe until the 0-byte read; box the scratch; fold in readFileSync and nested-'data' regression tests

restore bun.lock

[autofix.ci] apply automated fixes

Hold, don't adopt, a bufferless typed array pinned for a threadpool op; hand JS pulls a right-sized copy for partial fills

native ReadableStream pull: size the slab to what the source delivers

pin: report what was pinned instead of tracking held views in a table

[autofix.ci] apply automated fixes

tests: pin contract is per storage kind now; pull chunks are right-sized copies

FileReader (Windows): stop the completion-driven reader at the highwater mark when no read is parked, restart it on pull

html-rewriter test: allow the one in-flight completion on Windows in the idle-reader check