[patch] Fix for bz14333 -- race between atexit() and exit()

[Paul Pluzhnikov]

On Mon, Jul 31, 2017 at 11:05 AM, Paul Pluzhnikov
<ppluzhnikov@google.com> wrote:

> 2017-07-31  Paul Pluzhnikov  <ppluzhnikov@google.com>
>             Ricky Zhou <rickyz@google.com>
>             Anoop V Chakkalakkal <anoop.vijayan@in.ibm.com>
>
>         [BZ #14333]
>         * stdlib/cxa_atexit.c (__internal_atexit): Use __exit_funcs_lock.
>         Remove atomics.
>         (__new_exitfn): Fail registration when we finished at_exit processing.
>         * stdlib/cxa_finalize.c (__cxa_finalize): Likewise.
>         * stdlib/on_exit.c (__on_exit): Likewise.
>         * stdlib/exit.c (__exit_funcs_done): New variable.
>         (__run_exit_handlers): Use __exit_funcs_lock.
>         * stdlib/exit.h (__exit_funcs_lock, __exit_funcs_done): New
>         declarations.
>         * stdlib/Makefile (test-atexit-race, test-quick_at_exit-race)
>         (test-cxa_atexit-race): New tests.
>         * stdlib/test-atexit-race-common.c: New.
>         * stdlib/test-atexit-race.c: New.
>         * stdlib/test-at_quick_exit-race.c: New.
>         * stdlib/test-cxa_atexit-race.c: New.

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(Re-sending as plain text. Sorry if you got duplicate.)



-- 
Paul Pluzhnikov