YT-24705: Dump core if crash handler hangs

babenko · babenko · commit f863fb8b6f5c · 2025-04-04T13:43:12.000+03:00
commit_hash:f1f9ab8e6bcddbc35c95209c577366615d834411
diff --git a/yt/yt/core/misc/crash_handler.cpp b/yt/yt/core/misc/crash_handler.cpp
@@ -469,9 +469,9 @@ void DumpSigcontext(void* uc)
 
 void CrashTimeoutHandler(int /*signal*/)
 {
-    AbortProcessDramatically(
-        EProcessExitCode::GenericError,
-        "Process hung during crash");
+    WriteToStderr("*** Crash signal handler timed out\n");
+
+    YT_BUILTIN_TRAP();
 }
 
 void DumpUndumpableBlocksInfo()

Original file line number	Diff line number	Diff line change
`@@ -469,9 +469,9 @@ void DumpSigcontext(void* uc)`
`469`	`469`
`470`	`470`	`void CrashTimeoutHandler(int /signal/)`
`471`	`471`	`{`
`472`		`- AbortProcessDramatically(`
`473`		`- EProcessExitCode::GenericError,`
`474`		`- "Process hung during crash");`
	`472`	`+ WriteToStderr("*** Crash signal handler timed out\n");`
	`473`	`+`
	`474`	`+ YT_BUILTIN_TRAP();`
`475`	`475`	`}`
`476`	`476`
`477`	`477`	`void DumpUndumpableBlocksInfo()`