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diff src/share/vm/runtime/os.hpp @ 1320:3b3d12e645e7

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6929067: Stack guard pages should be removed when thread is detached Summary: Add code to unmap stack guard area when thread is detached. Reviewed-by: coleenp, kamg
author coleenp
date Fri, 12 Mar 2010 10:42:16 -0500
parents 167c2986d91b
children c18cbe5936b8
line wrap: on
line diff
--- a/src/share/vm/runtime/os.hpp	Thu Mar 11 14:41:29 2010 -0500
+++ b/src/share/vm/runtime/os.hpp	Fri Mar 12 10:42:16 2010 -0500
@@ -218,6 +218,9 @@
 
   static bool   guard_memory(char* addr, size_t bytes);
   static bool   unguard_memory(char* addr, size_t bytes);
+  static bool   create_stack_guard_pages(char* addr, size_t bytes);
+  static bool   remove_stack_guard_pages(char* addr, size_t bytes);
+
   static char*  map_memory(int fd, const char* file_name, size_t file_offset,
                            char *addr, size_t bytes, bool read_only = false,
                            bool allow_exec = false);