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Fixed panic handling (#1667)

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This commit is contained in:
Arkadiy Paronyan
2019-02-04 09:11:29 +01:00
committed by Bastian Köcher
parent 87f0f6fd8f
commit 6c341f4e9d
11 changed files with 94 additions and 18 deletions
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substrate/core/cli/src/lib.rs
+3 -2
View File
@@ -24,7 +24,6 @@ mod traits;
mod params;
pub mod error;
pub mod informant;
mod panic_hook;
use runtime_primitives::traits::As;
use service::{
@@ -76,6 +75,8 @@ pub struct VersionInfo {
pub description: &'static str,
/// Executable file author.
pub author: &'static str,
/// Support URL.
pub support_url: &'static str,
}
/// Something that can be converted into an exit signal.
@@ -189,7 +190,7 @@ where
I: IntoIterator<Item = T>,
T: Into<std::ffi::OsString> + Clone,
{
panic_hook::set();
panic_handler::set(version.support_url);
let full_version = service::config::full_version_from_strs(
version.version,
substrate/core/cli/src/panic_hook.rs
-69
View File
@@ -1,69 +0,0 @@
// Copyright 2017-2018 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
//! Custom panic hook with bug report link
use backtrace::Backtrace;
use std::io::{self, Write};
use std::panic::{self, PanicInfo};
use std::thread;
/// Set the panic hook
pub fn set() {
panic::set_hook(Box::new(panic_hook));
}
static ABOUT_PANIC: &str = "
This is a bug. Please report it at:
https://github.com/paritytech/polkadot/issues/new
";
fn panic_hook(info: &PanicInfo) {
let location = info.location();
let file = location.as_ref().map(|l| l.file()).unwrap_or("<unknown>");
let line = location.as_ref().map(|l| l.line()).unwrap_or(0);
let msg = match info.payload().downcast_ref::<&'static str>() {
Some(s) => *s,
None => match info.payload().downcast_ref::<String>() {
Some(s) => &s[..],
None => "Box<Any>",
}
};
let thread = thread::current();
let name = thread.name().unwrap_or("<unnamed>");
let backtrace = Backtrace::new();
let mut stderr = io::stderr();
let _ = writeln!(stderr, "");
let _ = writeln!(stderr, "====================");
let _ = writeln!(stderr, "");
let _ = writeln!(stderr, "{:?}", backtrace);
let _ = writeln!(stderr, "");
let _ = writeln!(
stderr,
"Thread '{}' panicked at '{}', {}:{}",
name, msg, file, line
);
let _ = writeln!(stderr, "{}", ABOUT_PANIC);
::std::process::exit(1);
}