die without generating core (openzfs#479)

ahrens · Oct 3, 2021 · 0db0780 · 0db0780
1 parent e7bed08
commit 0db0780
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Showing 3 changed files with 52 additions and 2 deletions.
diff --git a/cmd/zfs_object_agent/Cargo.lock b/cmd/zfs_object_agent/Cargo.lock
diff --git a/cmd/zfs_object_agent/zettacache/Cargo.toml b/cmd/zfs_object_agent/zettacache/Cargo.toml
@@ -10,6 +10,7 @@ edition = "2018"
 anyhow = "1.0"
 async-stream = "0.3.0"
 async-trait = "0.1.51"
+backtrace = "0.3"
 bincode = "1.3.2"
 chrono = "0.4"
 config = "0.11"

diff --git a/cmd/zfs_object_agent/zettacache/src/die.rs b/cmd/zfs_object_agent/zettacache/src/die.rs
@@ -13,6 +13,7 @@
 //! caller and having it "always" die on that caller.
 
 use crate::get_tunable;
+use backtrace::Backtrace;
 use lazy_static::lazy_static;
 use log::*;
 use std::{
@@ -69,8 +70,10 @@ where
             }
             if location == *DIE_LOCATION {
                 let msg = f();
-                warn!("exiting to test failure handling: {}", msg);
-                panic!("exiting to test failure handling: {}", msg);
+                let backtrace = Backtrace::new();
+                warn!("exiting to test failure handling: {} {:?}", msg, backtrace);
+                println!("exiting to test failure handling: {} {:?}", msg, backtrace);
+                std::process::exit(0);
             }
         }
     }