| commit | a4feb155ae40735a5ba75ee354bec4af47c25a4d | [log] [tgz] |
|---|---|---|
| author | Alex Crichton <alex@alexcrichton.com> | Thu Oct 17 15:19:57 2019 -0700 |
| committer | Alex Crichton <alex@alexcrichton.com> | Thu Oct 17 15:19:57 2019 -0700 |
| tree | acdf4a01851ed941997ba9b884674ec71341c7c6 | |
| parent | 0527cef6c49bd44c4126e6fe14db4947a292b69e [diff] | |
| parent | 3a5e9f7ab7e577b922b48c0d60c33fc3434da4e1 [diff] |
Merge remote-tracking branch 'alex/master'
A library for acquiring backtraces at runtime for Rust. This library aims to enhance the support of the standard library by providing a programmatic interface to work with, but it also supports simply easily printing the current backtrace like libstd's panics.
[dependencies] backtrace = "0.3"
Note that this crate requires cc and ar to be present on Unix systems when libbacktrace is used (which is the default). For configuring C compilers see the cc crate documentation.
To simply capture a backtrace and defer dealing with it until a later time, you can use the top-level Backtrace type.
extern crate backtrace; use backtrace::Backtrace; fn main() { let bt = Backtrace::new(); // do_some_work(); println!("{:?}", bt); }
If, however, you'd like more raw access to the actual tracing functionality, you can use the trace and resolve functions directly.
extern crate backtrace; fn main() { backtrace::trace(|frame| { let ip = frame.ip(); let symbol_address = frame.symbol_address(); // Resolve this instruction pointer to a symbol name backtrace::resolve_frame(frame, |symbol| { if let Some(name) = symbol.name() { // ... } if let Some(filename) = symbol.filename() { // ... } }); true // keep going to the next frame }); }
This project is licensed under either of
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in backtrace-rs by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.