From 6bcb672277090e0da850f514a8c557d6bd395537 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sat, 27 Sep 2025 13:16:10 -0400
Subject: kern: Add initial signals work

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/os/os_proc.c |  1 +
 src/sys/os/os_stub.c | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

(limited to 'src/sys/os')

diff --git a/src/sys/os/os_proc.c b/src/sys/os/os_proc.c
index ef98ce2..ef80b76 100644
--- a/src/sys/os/os_proc.c
+++ b/src/sys/os/os_proc.c
@@ -35,6 +35,7 @@
 #include <sys/proc.h>
 #include <vm/vm.h>
 #include <vm/physseg.h>
+#include <os/signal.h>
 #include <os/kalloc.h>
 #include <os/filedesc.h>
 #include <string.h>
diff --git a/src/sys/os/os_stub.c b/src/sys/os/os_stub.c
index f78df68..76a5828 100644
--- a/src/sys/os/os_stub.c
+++ b/src/sys/os/os_stub.c
@@ -30,6 +30,8 @@
 #include <sys/cdefs.h>
 #include <sys/cpuvar.h>
 #include <sys/syslog.h>
+#include <sys/panic.h>
+#include <os/signal.h>
 #include <io/pci/cam.h>
 
 __weak void
@@ -45,3 +47,28 @@ pci_cam_init(struct cam_hook *chp)
     printf("pci_cam_init: unimplemented\n");
     return 0;
 }
+
+/* Default handlers */
+void
+sigfpe_default(int signo)
+{
+    panic("Floating point exception\n");
+}
+
+void
+sigkill_default(int signo)
+{
+    panic("Killed\n");
+}
+
+void
+sigsegv_default(int signo)
+{
+    panic("Segmentation fault\n");
+}
+
+void
+sigterm_default(int signo)
+{
+    panic("Terminated\n");
+}
-- 
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