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NAME

       _U_dyn_cancel -- cancel unwind-info for dynamically generated code

SYNOPSIS

       #include <libunwind.h>

       void _U_dyn_cancel(unw_dyn_info_t *di);

DESCRIPTION

       The _U_dyn_cancel() routine cancels the registration of the unwind-info
       for a dynamically generated procedure. Argument di is  the  pointer  to
       the   unw_dyn_info_t   structure   that   describes   the   procedure's
       unwind-info.

       The _U_dyn_cancel() routine is guaranteed to execute in  constant  time
       (in    the   absence   of   contention   from   concurrent   calls   to
       _U_dyn_register() or _U_dyn_cancel()).

THREAD AND SIGNAL SAFETY

       _U_dyn_cancel() is thread-safe but  not  safe  to  use  from  a  signal
       handler.

SEE ALSO

       libunwind-dynamic(3), _U_dyn_register(3)

AUTHOR

       David Mosberger-Tang
       Email: dmosberger@gmail.com
       WWW: http://www.nongnu.org/libunwind/.