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easy core dump on panic in rust for debugging
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| pub fn register_panic_handler() { | |
| let default_panic = std::panic::take_hook(); | |
| std::panic::set_hook(Box::new(move |panic_info| { | |
| default_panic(panic_info); | |
| // Don't forget to enable core dumps on your shell with eg `ulimit -c unlimited` | |
| let pid = std::process::id(); | |
| eprintln!("dumping core for pid {}", std::process::id()); | |
| use libc::kill; | |
| use libc::SIGQUIT; | |
| use std::convert::TryInto; | |
| unsafe { kill(pid.try_into().unwrap(), SIGQUIT) }; | |
| })); | |
| } | |
| fn main() { | |
| register_panic_handler(); | |
| } |
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