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/// Initialize our panic handling hook to optionally log panics
#[cfg(feature = "log_panics")]
pub fn ensure_setup() {
use std::sync::Once;
static INIT_BACKTRACES: Once = Once::new();
INIT_BACKTRACES.call_once(move || {
#[cfg(all(feature = "log_backtraces", not(target_os = "android")))]
{
std::env::set_var("RUST_BACKTRACE", "1");
}
// Turn on a panic hook which logs both backtraces and the panic
// "Location" (file/line). We do both in case we've been stripped,
// ).
std::panic::set_hook(Box::new(move |panic_info| {
let (file, line) = if let Some(loc) = panic_info.location() {
(loc.file(), loc.line())
} else {
// Apparently this won't happen but rust has reserved the
// ability to start returning None from location in some cases
// in the future.
("<unknown>", 0)
};
log::error!("### Rust `panic!` hit at file '{file}', line {line}");
#[cfg(all(feature = "log_backtraces", not(target_os = "android")))]
{
log::error!(" Complete stack trace:\n{:?}", backtrace::Backtrace::new());
}
}));
});
}
/// Initialize our panic handling hook to optionally log panics
#[cfg(not(feature = "log_panics"))]
pub fn ensure_setup() {}