Files
windmill/backend/windmill-common
Ruben FiszelandClaude Opus 4.8 d71d553ba4 Windows build broken by #[cfg] on tokio::select! branch (#9404)
#9400 (WIN-2003) added the ctrl_break() handler as a `#[cfg(windows)]`
branch inside the two Windows-path `tokio::select!` blocks in
shutdown_signal. tokio's `select!` macro does not accept `#[cfg(...)]`
attributes on individual branches, so windmill-common fails to compile
on Windows ("no rules expected this token in macro call").

This slipped through CI because the only job that builds the backend on
Windows is cli-tests.yml's `test-windows`, which triggers only on
`cli/**` changes — #9400 was backend-only.

Fix: define `ctrl_break()` for the whole `not(any(linux, macos))` scope
instead of just `windows`. On Windows it awaits the real CTRL_BREAK
signal; on other non-unix targets it is a never-resolving future, so the
branch is inert there. The select! branches become plain (no per-branch
`#[cfg]`), which the macro accepts.

Verified: the `#[cfg]`-on-branch form reproduces the exact macro error
against tokio 1.46.1, and the fixed form compiles clean.

Fixes WIN-2003 (Windows build regression)

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-02 07:10:53 +00:00
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