From 524b56b5e28875b48613b812be92476573bb8325 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 9 Jul 2025 01:07:03 -0400
Subject: kernel: cred: Introduce SYS_setuid syscall

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/sys/syscall.h | 1 +
 sys/include/sys/ucred.h   | 5 +++++
 2 files changed, 6 insertions(+)

(limited to 'sys/include')

diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h
index 3650e7a..05288f4 100644
--- a/sys/include/sys/syscall.h
+++ b/sys/include/sys/syscall.h
@@ -56,6 +56,7 @@
 #define SYS_inject  15
 #define SYS_getpid  16
 #define SYS_getppid 17
+#define SYS_setuid  18
 
 #if defined(_KERNEL)
 /* Syscall return value and arg type */
diff --git a/sys/include/sys/ucred.h b/sys/include/sys/ucred.h
index ef66a18..b44a7fe 100644
--- a/sys/include/sys/ucred.h
+++ b/sys/include/sys/ucred.h
@@ -33,6 +33,7 @@
 #include <sys/types.h>
 #if defined(_KERNEL)
 #include <sys/spinlock.h>
+#include <sys/syscall.h>
 #endif
 
 /*
@@ -47,4 +48,8 @@ struct ucred {
 };
 
 int setuid(uid_t new);
+
+#if defined(_KERNEL)
+scret_t sys_setuid(struct syscall_args *scargs);
+#endif
 #endif  /* !_SYS_UCRED_H_ */
-- 
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