..

	* tst-basic7.c: Allocate memory for the stack.

nptl/ChangeLog

@@ -1,5 +1,7 @@
 2007-12-12  Ulrich Drepper  <drepper@redhat.com>
 
+	* tst-basic7.c: Allocate memory for the stack.
+
 	[BZ #5465]
 	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S [!SHARED]
 	(__pthread_cond_timedwait): Don't use VDSO.

nptl/tst-basic7.c

@@ -7,6 +7,21 @@
 #include <sys/mman.h>
 #include <sys/resource.h>
 
+static void use_stack (size_t needed);
+
+void (*use_stack_ptr) (size_t) = use_stack;
+
+static void
+use_stack (size_t needed)
+{
+  size_t sz = sysconf (_SC_PAGESIZE);
+  char *buf = alloca (sz);
+  memset (buf, '\0', sz);
+
+  if (needed > sz)
+    use_stack_ptr (needed  - sz);
+}
+
 static void
 use_up_memory (void)
 {
@@ -38,6 +53,9 @@ do_test (void)
   int err;
   pthread_t tid;
 
+  /* Allocate the memory needed for the stack.  */
+  use_stack_ptr (PTHREAD_STACK_MIN);
+
   use_up_memory ();
 
   err = pthread_create (&tid, NULL, child, NULL);