From 938f1cc67da371ae92a2270fe8a5e345c980d96d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=B6ftner?= <rs@unfoo.net>
Date: Fri, 30 Jan 2026 11:36:57 +0100
Subject: [PATCH] change how signal handler raises fatal signal to enable core
 dump files

---
 src/rtapi/uspace_rtapi_app.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/rtapi/uspace_rtapi_app.cc b/src/rtapi/uspace_rtapi_app.cc
index e8d3615f4d0..d72acf72735 100644
--- a/src/rtapi/uspace_rtapi_app.cc
+++ b/src/rtapi/uspace_rtapi_app.cc
@@ -693,7 +693,9 @@ static void signal_handler(int sig, siginfo_t * /*si*/, void * /*uctx*/)
                         "rtapi_app: caught signal %d - dumping core\n", sig);
         sleep(1); // let syslog drain
         signal(sig, SIG_DFL);
-        raise(sig);
+        // for reasons unknown raise(sig); doesn't lead to core dump file
+        // but this will
+        kill(getpid(), sig);
         break;
     }
     exit(1);