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(arith_error) [POSIX_SIGNALS]: Don't reestablish handler.
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@ -2711,7 +2711,7 @@ SIGTYPE
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arith_error (signo)
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int signo;
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{
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#ifdef USG
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#if defined(USG) && !defined(POSIX_SIGNALS)
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/* USG systems forget handlers when they are used;
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must reestablish each time */
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signal (signo, arith_error);
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