From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 20 Feb 2021 00:32:49 +0000 (+0100)
Subject: compiler: add likely() and unlikely() support
X-Git-Tag: lxc-5.0.0~274^2~24
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45069107aa81495e96b57156fa49e6afe13f8208;p=thirdparty%2Flxc.git

compiler: add likely() and unlikely() support

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/compiler.h b/src/lxc/compiler.h
index 755c21d52..89286eab6 100644
--- a/src/lxc/compiler.h
+++ b/src/lxc/compiler.h
@@ -85,4 +85,7 @@
 #define __public __attribute__((visibility("default")))
 #endif
 
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
 #endif /* __LXC_COMPILER_H */