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-rw-r--r--include/mqueue.h4
-rw-r--r--include/pthread.h3
2 files changed, 7 insertions, 0 deletions
diff --git a/include/mqueue.h b/include/mqueue.h
index 008589f0fa..2c40c1e3fc 100644
--- a/include/mqueue.h
+++ b/include/mqueue.h
@@ -15,6 +15,10 @@ hidden_proto (mq_setattr)
 
 # if PTHREAD_IN_LIBC
 libc_hidden_proto (mq_setattr)
+
+/* Called from fork so that the new subprocess re-creates the
+   notification thread if necessary.  */
+void __mq_notify_fork_subprocess (void) attribute_hidden;
 # endif
 
 #include <struct___timespec64.h>
diff --git a/include/pthread.h b/include/pthread.h
index 1158919247..819bf3f235 100644
--- a/include/pthread.h
+++ b/include/pthread.h
@@ -13,6 +13,9 @@ libc_hidden_proto (__pthread_barrier_init)
 #endif
 extern int __pthread_barrier_wait (pthread_barrier_t *__barrier)
      __THROWNL __nonnull ((1));
+#if PTHREAD_IN_LIBC
+libc_hidden_proto (__pthread_barrier_wait)
+#endif
 
 /* This function is called to initialize the pthread library.  */
 extern void __pthread_initialize (void) __attribute__ ((weak));