nptl: Destroy the default thread attribute as part of freeres

This avoids a spurious memory leak report by valgrind.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/nptl/pthread_setattr_default_np.c b/nptl/pthread_setattr_default_np.c
index c4cfb4e8ef..7a1c644334 100644
--- a/nptl/pthread_setattr_default_np.c
+++ b/nptl/pthread_setattr_default_np.c
@@ -81,3 +81,13 @@ pthread_setattr_default_np (const pthread_attr_t *in)
   lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
   return ret;
 }
+
+/* This is placed in the same file as pthread_setattr_default_np
+   because only this function can trigger allocation of attribute
+   data.  This way, the function is automatically defined for all the
+   cases when it is needed in static builds.  */
+void
+__default_pthread_attr_freeres (void)
+{
+  __pthread_attr_destroy (&__default_pthread_attr.external);
+}