2 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/htl/pt-mutex-init.c b/sysdeps/mach/hurd/htl/pt-mutex-init.c
index 4665bfaf5f..6b804116a5 100644
--- a/sysdeps/mach/hurd/htl/pt-mutex-init.c
+++ b/sysdeps/mach/hurd/htl/pt-mutex-init.c
@@ -34,6 +34,8 @@ static const pthread_mutexattr_t dfl_attr = {
 int
 _pthread_mutex_init (pthread_mutex_t *mtxp, const pthread_mutexattr_t *attrp)
 {
+  ASSERT_TYPE_SIZE (pthread_mutex_t, __SIZEOF_PTHREAD_MUTEX_T);
+
   if (attrp == NULL)
     attrp = &dfl_attr;
 
diff --git a/sysdeps/mach/hurd/htl/pt-mutexattr-init.c b/sysdeps/mach/hurd/htl/pt-mutexattr-init.c
index f659a51c28..569ed11c9c 100644
--- a/sysdeps/mach/hurd/htl/pt-mutexattr-init.c
+++ b/sysdeps/mach/hurd/htl/pt-mutexattr-init.c
@@ -33,6 +33,8 @@ static const pthread_mutexattr_t dfl_attr = {
 int
 __pthread_mutexattr_init (pthread_mutexattr_t *attrp)
 {
+  ASSERT_TYPE_SIZE (pthread_mutexattr_t, __SIZEOF_PTHREAD_MUTEXATTR_T);
+
   *attrp = dfl_attr;
   return 0;
 }