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chore: add custom panic message (#13145)

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Luca Casonato 2021-12-20 14:49:05 +01:00 committed by GitHub
parent ef95d7b1e9
commit 17d81ad2ef
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1 changed files with 22 additions and 4 deletions
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26
cli/main.rs
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@ -1444,11 +1444,29 @@ fn get_subcommand(
}
}
fn setup_exit_process_panic_hook() {
// tokio does not exit the process when a task panics, so we
// define a custom panic hook to implement this behaviour
fn setup_panic_hook() {
// This function does two things inside of the panic hook:
// - Tokio does not exit the process when a task panics, so we define a custom
// panic hook to implement this behaviour.
// - We print a message to stderr to indicate that this is a bug in Deno, and
// should be reported to us.
let orig_hook = std::panic::take_hook();
std::panic::set_hook(Box::new(move |panic_info| {
eprintln!("\n============================================================");
eprintln!("Deno has panicked. This is a bug in Deno. Please report this");
eprintln!("at https://github.com/denoland/deno/issues/new.");
eprintln!("If you can reliably reproduce this panic, include the");
eprintln!("reproduction steps and re-run with the RUST_BACKTRACE=1 env");
eprintln!("var set and include the backtrace in your report.");
eprintln!();
eprintln!(
"Platform: {} {}",
std::env::consts::OS,
std::env::consts::ARCH
);
eprintln!("Version: {}", version::deno());
eprintln!("Args: {:?}", std::env::args().collect::<Vec<_>>());
eprintln!();
orig_hook(panic_info);
std::process::exit(1);
}));
@ -1465,7 +1483,7 @@ fn unwrap_or_exit<T>(result: Result<T, AnyError>) -> T {
}
pub fn main() {
setup_exit_process_panic_hook();
setup_panic_hook();
unix_util::raise_fd_limit();
windows_util::ensure_stdio_open();