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532532functions: \function {get_history_item()},
533533\function {get_current_history_length()}, and \function {redisplay()}.
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535- \item Support for more advanced POSIX signal handling -- specifically
536- the functions \function {sigpending}, \function {sigprocmask} and
537- \function {sigsupend}, and depending on platform support -- was added
538- to the \module {signal} module . These functions make some previously
539- unavoidable race conditions avoidable .
535+ \item Support for more advanced POSIX signal handling was added
536+ to the \module {signal} module by adding the \function {sigpending},
537+ \function {sigprocmask} and \function {sigsuspend} functions, where supported
538+ by the platform . These functions make it possible to avoid some previously
539+ unavoidable race conditions.
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541541\end {itemize }
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