[libc][NFC] Add a check to catch mismatch in internal and public mute…

…x types.
MaxMood96 · Aug 30, 2021 · f7e572b · f7e572b
1 parent 80f7ce8
commit f7e572b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/libc/src/threads/linux/Mutex.h b/libc/src/threads/linux/Mutex.h
@@ -107,6 +107,10 @@ struct Mutex {
   }
 };
 
+static_assert(sizeof(Mutex) == sizeof(mtx_t),
+              "Sizes of internal representation of mutex and the public mtx_t "
+              "do not match.");
+
 class MutexLock {
   Mutex *mutex;