(tye)Re: how to do things while waiting?

No, that only works on SVR4-based versions of Unix and not on BSD-based versions of Unix. (Now that Sun has converted to SVR4-based, you might be able to argue "most" is appropriate, but I won't.)

- tye (but my friends call me "Tye")

Comment on (tye)Re: how to do things while waiting?

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Re (tilly) 3: how to do things while waiting? by tilly (Archbishop) on May 17, 2001 at 02:56 UTC
Quoting from perlipc for version 5.005_03: `On most UNIX platforms, the CHLD (sometimes also known as CLD) signal has special behavior with respect to a value of 'IGNORE'. Setting $SIG{CHLD} to 'IGNORE' on such a platform has the effect of not creating zombie processes when the parent process fails to wait() on its child processes (i.e. child processes are automatically reaped). Calling wait() with $SIG{CHLD} set to 'IGNORE' usually returns -1 on such platforms.` [download] So if you don't like my wording, you should check whether it is still needed and then send in a documentation patch.	[reply] [d/l]

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Re (tilly) 3: how to do things while waiting?
by tilly (Archbishop) on May 17, 2001 at 02:56 UTC

perlipc

       On most UNIX platforms, the CHLD (sometimes also known as
       CLD) signal has special behavior with respect to a value
       of 'IGNORE'.  Setting $SIG{CHLD} to 'IGNORE' on such a
       platform has the effect of not creating zombie processes
       when the parent process fails to wait() on its child
       processes (i.e. child processes are automatically reaped).
       Calling wait() with $SIG{CHLD} set to 'IGNORE' usually
       returns -1 on such platforms.
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