Add unlikely macro

And use it for a really unlikely case

1 files changed, 3 insertions, 0 deletions

diff --git a/inotail.h b/inotail.h
index d885855..f6e90e8 100644
--- a/inotail.h
+++ b/inotail.h
@@ -24,4 +24,7 @@ struct file_struct {
 # define dprintf(fmt, args...)
 #endif /* DEBUG */
 
+/* Taken from linux kernel source tree */
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
 #endif /* _INOTAIL_H */