1 files changed, 3 insertions, 0 deletions

diff --git a/toxcore/util.h b/toxcore/util.h
index 007db079..7cd6bb8b 100644
--- a/toxcore/util.h
+++ b/toxcore/util.h
@@ -27,6 +27,7 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include <pthread.h>
 
 #define MIN(a,b) (((a)<(b))?(a):(b))
 
@@ -52,4 +53,6 @@ typedef int (*load_state_callback_func)(void *outer, const uint8_t *data, uint32
 int load_state(load_state_callback_func load_state_callback, void *outer,
                const uint8_t *data, uint32_t length, uint16_t cookie_inner);
 
+int create_recursive_mutex(pthread_mutex_t *mutex);
+
 #endif /* __UTIL_H__ */