From eb5c0b21c19ec244cc5a22690dfc043d45108507 Mon Sep 17 00:00:00 2001
From: Jorgen Lundman <lundman@lundman.net>
Date: Fri, 2 Sep 2022 09:18:15 +0900
Subject: [PATCH] Windows: Use _Noreturn properly

---
 include/os/windows/spl/sys/debug.h            | 5 +++--
 lib/libspl/include/os/windows/sys/sysmacros.h | 9 ++++++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/include/os/windows/spl/sys/debug.h b/include/os/windows/spl/sys/debug.h
index ce1e4edea6f3..a26de24cc9f9 100644
--- a/include/os/windows/spl/sys/debug.h
+++ b/include/os/windows/spl/sys/debug.h
@@ -67,7 +67,7 @@
 #define	__printflike(X, Y)
 #define	__unused
 #define	always_inline __forceinline
-#define	__NORETURN
+#define	_Noreturn
 
 #else
 
@@ -86,7 +86,8 @@
 #define	__printflike(a, b) __attribute__((__format__(__printf__, a, b)))
 
 #define	__unused  __attribute__((unused))
-#define	__NORETURN	__attribute__((__noreturn__))
+#define	_Noreturn	__attribute__((__noreturn__))
+
 
 #endif
 
diff --git a/lib/libspl/include/os/windows/sys/sysmacros.h b/lib/libspl/include/os/windows/sys/sysmacros.h
index ebb3eb1c315f..5bfe6a2ec790 100644
--- a/lib/libspl/include/os/windows/sys/sysmacros.h
+++ b/lib/libspl/include/os/windows/sys/sysmacros.h
@@ -48,7 +48,13 @@
 
 #define	makedevice(maj, min)	makedev(maj, min)
 #define	_sysconf(a)		sysconf(a)
-// #define	__NORETURN		__attribute__((noreturn))
+
+
+#ifdef _MSC_VER
+#define _Noreturn
+#else
+#define _Noreturn	__attribute__((__noreturn__))
+#endif
 
 /*
  * Compatibility macros/typedefs needed for Solaris -> Windows port
@@ -111,3 +117,4 @@
 #define	_LITTLE_ENDIAN
 
 #endif /* _LIBSPL_SYS_SYSMACROS_H */
+