Re: Executing Systems Calls with Care

by Anonymous Monk

on Feb 15, 2005 at 06:50 UTC ( [id://431046]=note: print w/replies, xml )

Need Help??

Isn't this exactly what alarm is designed for? perldoc -f alarm worked pretty well for me in the past.

Comment on Re: Executing Systems Calls with Care

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Re^2: Executing Systems Calls with Care by diotalevi (Canon) on Feb 15, 2005 at 21:10 UTC
alarm() will not interrupt system calls in perl starting with 5.8. Since you are using a version older than that, you may be able to use it.	[reply]
Re^3: Executing Systems Calls with Care by lidden (Curate) on Feb 15, 2005 at 21:30 UTC
But it does. $ perl5.8.6 -wle 'alarm 3; `cat /dev/zero`' Stops after 3 seconds.	[reply] [d/l]
Re^4: Executing Systems Calls with Care by bluto (Curate) on Feb 15, 2005 at 23:17 UTC
FWIW, on MacOS and AIX, `perl -le 'alarm 3; system("sleep 100");'` does kill perl, but it doesn't kill the sleep.	[reply] [d/l]

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