I have [a] [...] script that [...] sleeps [...] If I add an ALRM signal handler, the ALRM stops working

One problem is in the man page sleep(3), at least on Linux:

Bugs

sleep() may be implemented using SIGALRM; mixing calls to alarm(2) and sleep() is a bad idea.

Using longjmp(3) from a signal handler or modifying the handling of SIGALRM while sleeping will cause undefined results.

program keeps running!!!! Any thoughts?

Multiple exclamation marks ...

Alexander

--
Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)

In reply to Re: Signal to a sleeping Perl program by afoken
in thread Signal to a sleeping Perl program by jerryhone

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