Re: Why is SIGQUIT ignored by nohup?

From: Casper H.S. Dik (Casper.Dik_at_Sun.COM)
Date: 06/24/04 

Date: 24 Jun 2004 17:36:29 GMT

Stephane CHAZELAS <this.address@is.invalid> writes:

>2004-06-24, 16:49(+00), Stephane CHAZELAS:
>> does anybody know the historical reason why some implementations
>> of nohup(1) ignore the SIGQUIT signal (in addition to SIGHUP)?
>> No sensible reason comes to my mind to justify that behavior.
>>
>> (it's the case of Solaris nohup, at least)

>[replying to myself]

>As it seems, in Unix V4, signals 1, 2, 3 were ignored ("Nohup
>executes /command/ with hangups, quits and interrupts all
>ignored").

>It seems to be "all the signals generated by the terminal" (at
>that time, SIGTSTP, SIGTTOU, SIGTTIN didn't exist yet).

Probably because it runs without a terminal?

Casper