support: Add support_set_small_thread_stack_size

And support_small_stack_thread_attribute

Change-Id: I1cf79a469984f8f30a4a947ee9ec2a5e74de8926

1 files changed, 8 insertions, 0 deletions

diff --git a/support/xthread.h b/support/xthread.h
index 829397cbcc..f39720cb23 100644
--- a/support/xthread.h
+++ b/support/xthread.h
@@ -75,6 +75,14 @@ void xpthread_attr_setstacksize (pthread_attr_t *attr,
 void xpthread_attr_setguardsize (pthread_attr_t *attr,
 				 size_t guardsize);
 
+/* 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);
+
+/* Return a pointer to a thread attribute which requests a small
+   stack.  The caller must not free this pointer.  */
+pthread_attr_t *support_small_stack_thread_attribute (void);
+
 /* This function returns non-zero if pthread_barrier_wait returned
    PTHREAD_BARRIER_SERIAL_THREAD.  */
 int xpthread_barrier_wait (pthread_barrier_t *barrier);