From beeb9ff5f6e389ec7041721fdc4adaf6603b529a Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Wed, 19 Mar 2025 20:22:56 -0400 Subject: kernel: cdefs: Introduce __cold and __dead_cold The __cold macro is used for code paths that are rarley taken while the __dead_cold macro is used for __cold routines that never return. Signed-off-by: Ian Moffett --- sys/include/sys/cdefs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/include/sys/cdefs.h b/sys/include/sys/cdefs.h index 37e15d7..777e72a 100644 --- a/sys/include/sys/cdefs.h +++ b/sys/include/sys/cdefs.h @@ -37,6 +37,8 @@ #define __always_inline __attribute__((__always_inline__)) #define __packed __attribute__((__packed__)) #define __dead __attribute__((__noreturn__)) +#define __cold __attribute__((__cold__)) +#define __dead_cold __attribute__((__noreturn__, __cold__)) #define __unused __attribute__((__unused__)) #define __nothing ((void)0) #define __likely(exp) __builtin_expect(((exp) != 0), 1) -- cgit v1.2.3