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authorUlrich Drepper <drepper@redhat.com>2003-09-25 03:31:59 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-25 03:31:59 +0000
commit69c9fa045bce5e125e2e4525eb62ec58965e92f5 (patch)
tree82128d16507f4f4a92caec8e3e5ae248b1f23c7c /nptl/allocatestack.c
parent279f1143afdb06e263dfab510a3e2cbb022014fe (diff)
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Update.
	* sysdeps/unix/sysv/linux/dl-execstack.c
	(_dl_make_stack_executable): Remember that we changed the permission.
Diffstat (limited to 'nptl/allocatestack.c')
-rw-r--r--nptl/allocatestack.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c
index 24292e7295..c82b36ede0 100644
--- a/nptl/allocatestack.c
+++ b/nptl/allocatestack.c
@@ -684,6 +684,20 @@ __make_stacks_executable (void)
 	break;
     }
 
+  /* Also change the permission for the currently unused stacks.  This
+     might be wasted time but better spend it here than adding a check
+     in the fast path.  */
+  list_for_each (runp, &stack_cache)
+    {
+      err = change_stack_perm (list_entry (runp, struct pthread, list)
+#ifdef NEED_SEPARATE_REGISTER_STACK
+			       , pagemask
+#endif
+			       );
+      if (err != 0)
+	break;
+    }
+
   lll_unlock (stack_cache_lock);
 
   if (err == 0)