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-rw-r--r--sysdeps/pthread/Makefile3
-rw-r--r--sysdeps/pthread/mtx_init.c11
2 files changed, 12 insertions, 2 deletions
diff --git a/sysdeps/pthread/Makefile b/sysdeps/pthread/Makefile
index 591722460a..bf42b6aa71 100644
--- a/sysdeps/pthread/Makefile
+++ b/sysdeps/pthread/Makefile
@@ -32,7 +32,7 @@ headers += threads.h
 routines += thrd_current thrd_equal thrd_sleep thrd_yield
 
 libpthread-routines += thrd_create thrd_detach thrd_exit thrd_join \
-		       mtx_init mtx_lock mtx_timedlock \
+		       mtx_lock mtx_timedlock \
 		       mtx_trylock mtx_unlock \
 		       tss_create tss_delete tss_get tss_set
 
@@ -45,6 +45,7 @@ $(libpthread-routines-var) += \
   cnd_timedwait \
   cnd_wait \
   mtx_destroy \
+  mtx_init \
 
 tests += tst-cnd-basic tst-mtx-trylock tst-cnd-broadcast \
 	 tst-cnd-timedwait tst-thrd-detach tst-mtx-basic tst-thrd-sleep \
diff --git a/sysdeps/pthread/mtx_init.c b/sysdeps/pthread/mtx_init.c
index 8d5f194e99..e99258bd4d 100644
--- a/sysdeps/pthread/mtx_init.c
+++ b/sysdeps/pthread/mtx_init.c
@@ -17,11 +17,12 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <stdalign.h>
+#include <shlib-compat.h>
 
 #include "thrd_priv.h"
 
 int
-mtx_init (mtx_t *mutex, int type)
+__mtx_init (mtx_t *mutex, int type)
 {
   _Static_assert (sizeof (mtx_t) == sizeof (pthread_mutex_t),
 		  "sizeof (mtx_t) != sizeof (pthread_mutex_t)");
@@ -51,3 +52,11 @@ mtx_init (mtx_t *mutex, int type)
   /* pthread_mutexattr_destroy implementation is a noop.  */
   return thrd_err_map (err_code);
 }
+#if PTHREAD_IN_LIBC
+versioned_symbol (libc, __mtx_init, mtx_init, GLIBC_2_34);
+# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_28, GLIBC_2_34)
+compat_symbol (libpthread, __mtx_init, mtx_init, GLIBC_2_28);
+# endif
+#else /* !PTHREAD_IN_LIBC */
+strong_alias (__mtx_init, mtx_init)
+#endif