wasix: read IPC streams with plain read() instead of failing ENOSYS#8
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wasix: read IPC streams with plain read() instead of failing ENOSYS#8Arshia001 wants to merge 1 commit into
Arshia001 wants to merge 1 commit into
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The IPC branch of uv__stream_io was stubbed to fail ENOSYS under __wasi__ (no msghdr support), which killed every Node child_process.fork / cluster.fork IPC channel on first readiness: the stream errored, libuv closed the fd, and subsequent sends failed EPIPE. No descriptor can accompany IPC data on WASIX anyway - uv__try_write already refuses send_handle with UV_ENOSYS on both ends - so a plain read() preserves the IPC byte stream exactly. This makes fork/process.send message channels fully functional under WASIX; passing handles (cluster round-robin connection distribution) remains unsupported. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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The IPC branch of
uv__stream_iowas stubbed to failENOSYSunder__wasi__(no msghdr support), which killed every Nodechild_process.fork/cluster.forkIPC channel on first readiness: the stream errored, libuv closed the fd, and subsequent sends failedEPIPE.No descriptor can accompany IPC data on WASIX anyway —
uv__try_writealready refusessend_handlewithUV_ENOSYSon both ends — so a plainread()preserves the IPC byte stream exactly. Verified end-to-end with EdgeJS on wasmer 7.2.0-rc.1: fork ping/pong roundtrip, cluster worker online handshake, and cluster listen negotiation all work; handle passing (round-robin connection distribution) remains unsupported as before.🤖 Generated with Claude Code