diff options
Diffstat (limited to 'gcc/ada/s-stchop.adb')
| -rw-r--r-- | gcc/ada/s-stchop.adb | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/gcc/ada/s-stchop.adb b/gcc/ada/s-stchop.adb index e4cd7add962..b757c56532b 100644 --- a/gcc/ada/s-stchop.adb +++ b/gcc/ada/s-stchop.adb @@ -48,28 +48,24 @@ package body System.Stack_Checking.Operations is function Set_Stack_Info (Stack : not null access Stack_Access) return Stack_Access; - -- The function Set_Stack_Info is the actual function that updates the -- cache containing a pointer to the Stack_Info. It may also be used for -- detecting asynchronous abort in combination with Invalidate_Self_Cache. - + -- -- Set_Stack_Info should do the following things in order: -- 1) Get the Stack_Access value for the current task -- 2) Set Stack.all to the value obtained in 1) -- 3) Optionally Poll to check for asynchronous abort - + -- -- This order is important because if at any time a write to the stack -- cache is pending, that write should be followed by a Poll to prevent -- loosing signals. - + -- -- Note: This function must be compiled with Polling turned off - - -- Note: on systems with real thread-local storage, - -- Set_Stack_Info should return an access value for such local - -- storage. In those cases the cache will always be up-to-date. - - -- The following constants should be imported from some system-specific - -- constants package. The constants must be static for performance reasons. + -- + -- Note: on systems with real thread-local storage, Set_Stack_Info should + -- return an access value for such local storage. In those cases the cache + -- will always be up-to-date. ---------------------------- -- Invalidate_Stack_Cache -- |