Perlã‚·ã‚°ãƒŠãƒ«å‡¦ç† : D-7 <altijd in beweging>%SIGã«é™ã£ãŸäº‹ã§ã¯ãªã„ã®ã ã‘ã‚Œã©ã‚‚ã€ã“ã“ã§ã¾ãšæ³¨æ„ã—ãªãã¦ã¯ã„ã‘ãªã„ã®ãŒã€%SIGã¯ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ã§ã‚ã‚‹ã“ã¨ã€‚ã‚る関数foo()内ã§%SIGã‚’ã„ã˜ã£ãŸã‚ã¨ã«returnã™ã‚‹ã¨ã€foo()を呼ã³å‡ºã—ãŸã‚¹ã‚³ãƒ¼ãƒ—ã§ã‚‚ãã®å€¤ã¯æœ‰åŠ¹ã«ãªã£ã¦ã—ã¾ã†ã€‚ã“ã‚Œã ã¨è‡ªåˆ†ã¯ã‚ˆãã¦ã‚‚ä»–ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ç‰ã«å½±éŸ¿ã‚’与ãˆã‚‹å¯èƒ½æ€§ãŒã‚る。ãã“ã§ã¾ãšç™–ã¨ã—ã¦local修飾åを使ã†ç™–ã‚’ã¤ã‘ã¦ã»ã—ã„ local $SIG{INT} = sub { warn "got SIGINT (OUTSIDE)" }; sub foo { warn "inside foo()"; local $SIG{INT} = sub { warn "got SIGINT (INSIDE foo)" }; sleep 10; } warn "sleeping..."; sleep 10; foo(); warn "outside foo()"; sl
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