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-rw-r--r--support/xthread.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/support/xthread.h b/support/xthread.h
index d57cef6db1..c2086db347 100644
--- a/support/xthread.h
+++ b/support/xthread.h
@@ -75,6 +75,8 @@ void xpthread_attr_setstacksize (pthread_attr_t *attr,
 void xpthread_attr_setguardsize (pthread_attr_t *attr,
 				 size_t guardsize);
 
+/* Return the stack size used on support_set_small_thread_stack_size.  */
+size_t support_small_thread_stack_size (void);
 /* Set the stack size in ATTR to a small value, but still large enough
    to cover most internal glibc stack usage.  */
 void support_set_small_thread_stack_size (pthread_attr_t *attr);