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-rw-r--r--src/libmdsclient/comm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libmdsclient/comm.h b/src/libmdsclient/comm.h
index 8f3f0d9..4a47b2a 100644
--- a/src/libmdsclient/comm.h
+++ b/src/libmdsclient/comm.h
@@ -150,7 +150,7 @@ int libmds_connection_send_unlocked(libmds_connection_t* restrict this, const ch
* will have been set accordingly on error
* @throws See pthread_mutex_unlock(3)
*/
-#define libmds_connection_unlock(this)
+#define libmds_connection_unlock(this) \
(errno = pthread_mutex_unlock(&((this)->mutex)), (errno ? 0 : -1))