nptl: Export __libc_multiple_threads from libc as an internal symbol

This allows the elimination of the __libc_multiple_threads_ptr
variable in libpthread and its initialization procedure.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/nptl/Versions b/nptl/Versions
index f950b77969..fb15a7e8eb 100644
--- a/nptl/Versions
+++ b/nptl/Versions
@@ -305,6 +305,7 @@ libc {
     __libc_cleanup_pop_restore;
     __libc_cleanup_push_defer;
     __libc_dl_error_tsd;
+    __libc_multiple_threads;
     __libc_pthread_init;
     __lll_clocklock_elision;
     __lll_lock_elision;