eb860987cf
Use `libc::sigaction()` instead of `sys::signal()` to prevent a deadlock Fixes #88585. POSIX [specifies](https://man7.org/linux/man-pages/man3/fork.3p.html) that after forking, > to avoid errors, the child process may only execute async-signal-safe operations until such time as one of the exec functions is called. Rust's standard library does not currently adhere to this, as evidenced by #88585. The child process calls [`sys::signal()`]( |
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