compiler: add likely() and unlikely() support

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

compiler: add likely() and unlikely() support
bde8540b · Christian Brauner · d7c8c138 · bde8540b
Unverified Commit bde8540b authored Feb 20, 2021 by Christian Brauner
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compiler.h src/lxc/compiler.h +3 -0

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--- 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 */