bhyve: Use a blocking socket in the helper process
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Authored by markj on Dec 22 2025, 7:15 PM.

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rG777f67d8a9c3: bhyve: Use a blocking socket in the helper process
rGdaef625cf884: bhyve: Use a blocking socket in the helper process

Summary

The send_packet callback does not handle EAGAIN, and on the recv side we
already use poll() and MSG_DONTWAIT to implement a non-blocking loop.

PR: 291616

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rG FreeBSD src repository

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Buildable 69442
Build 66325: arc lint + arc unit

Event Timeline

markj created this revision.Dec 22 2025, 7:15 PM

Herald added subscribers: bcran, rgrimes, imp. · View Herald TranscriptDec 22 2025, 7:15 PM

markj requested review of this revision.Dec 22 2025, 7:15 PM

Harbormaster completed remote builds in B69442: Diff 168527.Dec 22 2025, 7:16 PM

novel added a subscriber: novel.Dec 24 2025, 5:21 PM

novel accepted this revision.Dec 24 2025, 5:29 PM

This revision is now accepted and ready to land.Dec 24 2025, 5:29 PM

Closed by commit rGdaef625cf884: bhyve: Use a blocking socket in the helper process (authored by markj). · Explain WhyDec 29 2025, 2:50 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rGdaef625cf884: bhyve: Use a blocking socket in the helper process.

markj added a commit: rG777f67d8a9c3: bhyve: Use a blocking socket in the helper process.Jun 25 2026, 5:25 PM

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usr.sbin/

bhyve/

slirp/

slirp-helper.c

2 lines

Diff 168527

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usr.sbin/bhyve/slirp/slirp-helper.c

bhyve: Use a blocking socket in the helper processClosedPublicActions