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fix(ext/net): don't remove sockets on unix listen #16394

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merged 1 commit into from
Oct 23, 2022

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When listening on a UNIX socket path, Deno currently tries to unlink
this path prior to actually listening. The implementation of this
behaviour is VERY racy, involves 2 additional syscalls, and does not
match the behaviour of any other runtime (Node.js, Go, Rust, etc).

This commit removes this behaviour. If a user wants to listen on an
existing socket, they must now unlink the file themselves prior to
listening.

This change in behaviour only impacts --unstable APIs, so it is not
a breaking change.

When listening on a UNIX socket path, Deno currently tries to unlink
this path prior to actually listening. The implementation of this
behaviour is VERY racy, involves 2 additional syscalls, and does not
match the behaviour of any other runtime (Node.js, Go, Rust, etc).

This commit removes this behaviour. If a user wants to listen on an
existing socket, they must now unlink the file themselves prior to
listening.
@lucacasonato lucacasonato merged commit 38213f1 into denoland:main Oct 23, 2022
@lucacasonato lucacasonato deleted the unix_socket_no_remove branch October 23, 2022 22:45
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2 participants