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trap panics when running in gdb

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2025-02-02 22:13:27 +00:00
parent 32f990fc72
commit da4b94d80d
1 changed files with 14 additions and 4 deletions
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18
src/core/debug.rs
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@ -1,6 +1,6 @@
#![allow(clippy::disallowed_macros)]
use std::{any::Any, panic};
use std::{any::Any, env, panic, sync::LazyLock};
// Export debug proc_macros
pub use conduwuit_macros::recursion_depth;
@ -58,16 +58,26 @@ pub const INFO_SPAN_LEVEL: Level = if cfg!(debug_assertions) {
Level::DEBUG
};
pub fn set_panic_trap() {
pub static DEBUGGER: LazyLock<bool> =
LazyLock::new(|| env::var("_").unwrap_or_default().ends_with("gdb"));
#[cfg_attr(debug_assertions, crate::ctor)]
#[cfg_attr(not(debug_assertions), allow(dead_code))]
fn set_panic_trap() {
if !*DEBUGGER {
return;
}
let next = panic::take_hook();
panic::set_hook(Box::new(move |info| {
panic_handler(info, &next);
}));
}
#[inline(always)]
#[cold]
#[inline(never)]
#[allow(deprecated_in_future)]
fn panic_handler(info: &panic::PanicHookInfo<'_>, next: &dyn Fn(&panic::PanicHookInfo<'_>)) {
pub fn panic_handler(info: &panic::PanicHookInfo<'_>, next: &dyn Fn(&panic::PanicHookInfo<'_>)) {
trap();
next(info);
}