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-rw-r--r--test/sem_test.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/sem_test.cpp b/test/sem_test.cpp
index e1f2fb4..b3e8b5b 100644
--- a/test/sem_test.cpp
+++ b/test/sem_test.cpp
@@ -1,4 +1,5 @@
#include <iostream>
+#include <unistd.h>
#include "raul/Thread.hpp"
#include "raul/Semaphore.hpp"