Re: misterious behavior of either kill or terminal

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	alt.os.linux
Subject	Re: misterious behavior of either kill or terminal
Date	2019-06-28 14:54 +0200
Organization	Aioe.org NNTP Server
Message-ID	<f8fhuf-ltq.ln1@Telcontar.valinor> (permalink)
References	<qej6cu$61p$1@dont-email.me> <slrnqgq80t.ds3.dan@djph.net> <qen2qn$fmb$2@gonzo.revmaps.no-ip.org> <171huf-87h.ln1@Telcontar.valinor> <qf4q6p$phi$1@gonzo.revmaps.no-ip.org>

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On 28/06/2019 12.29, Jasen Betts wrote:
> On 2019-06-28, Carlos E.R. <robin_listas@es.invalid> wrote:
>> On 23/06/2019 07.31, Jasen Betts wrote:
>>> On 2019-06-21, Dan Purgert <dan@djph.net> wrote:
> 
>>>>
>>>> You send the signal to DD, not anything else.
>>>
>>> yeah, SIGUSR1 is, by default, fatal; a process must set a handler for
>>> it, if you send it the wrong way: processes die.
>>
>> Why should a process die if sent a signal that it doesn't handle?
> 
> Why not?

It is obvious to me that if I don't program anything to do for a signal
reserved to the user, it should do nothing. Likewise, if I type "die" at
a program prompt, it does not die unless *I* program it to die on word
"die".

> 
>> SIGUSR1,2 are defined by the application. What they mean is entirely up
>> to the application, there is no default action.
> 
> Man 7 signal says SIGUSR1 default action is to terminate the process.

Why? What is the reasoning?

Don't say why not, I asked first :-)


-- 
Cheers, Carlos.

Thread

misterious behavior of either kill or terminal Soviet_Mario <SovietMario@CCCP.MIR> - 2019-06-21 20:07 +0200
  Re: misterious behavior of either kill or terminal Dan Purgert <dan@djph.net> - 2019-06-21 18:21 +0000
    Re: misterious behavior of either kill or terminal marrgol <marrgol@address.invalid> - 2019-06-22 13:27 +0200
    Re: misterious behavior of either kill or terminal Jasen Betts <jasen@xnet.co.nz> - 2019-06-23 05:31 +0000
      Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-28 10:54 +0200
        Funny... (Was: misterious behavior of either kill or terminal) gazelle@shell.xmission.com (Kenny McCormack) - 2019-06-28 09:15 +0000
        Re: misterious behavior of either kill or terminal Georges <georges@prout.com> - 2019-06-28 11:35 +0200
          Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-28 11:50 +0200
            Re: misterious behavior of either kill or terminal Georges <georges@prout.com> - 2019-06-28 12:21 +0200
            Re: misterious behavior of either kill or terminal Richard Kettlewell <invalid@invalid.invalid> - 2019-06-28 13:26 +0100
              Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-28 14:51 +0200
                Re: misterious behavior of either kill or terminal Richard Kettlewell <invalid@invalid.invalid> - 2019-06-28 14:10 +0100
                Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-28 20:06 +0200
                Re: misterious behavior of either kill or terminal Georges <georges@prout.com> - 2019-06-28 20:54 +0200
                Re: misterious behavior of either kill or terminal owl <owl@rooftop.invalid> - 2019-06-28 14:51 +0000
                Re: misterious behavior of either kill or terminal "F. Russell" <frussell@random.info> - 2019-06-28 17:40 +0000
              Re: misterious behavior of either kill or terminal Soviet_Mario <SovietMario@CCCP.MIR> - 2019-06-28 16:45 +0200
        Re: misterious behavior of either kill or terminal Jasen Betts <jasen@xnet.co.nz> - 2019-06-28 10:29 +0000
          Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-28 14:54 +0200
  Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-21 20:26 +0200
    Re: misterious behavior of either kill or terminal Soviet_Mario <SovietMario@CCCP.MIR> - 2019-06-22 00:02 +0200
      Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-22 13:17 +0200
        Re: misterious behavior of either kill or terminal marrgol <marrgol@address.invalid> - 2019-06-22 13:32 +0200
          Re: misterious behavior of either kill or terminal Soviet_Mario <SovietMario@CCCP.MIR> - 2019-06-23 17:57 +0200
  Re: misterious behavior of either kill or terminal Paul <nospam@needed.invalid> - 2019-06-21 15:14 -0400
    Re: misterious behavior of either kill or terminal Melzzzzz <Melzzzzz@zzzzz.com> - 2019-06-21 20:42 +0000
    Re: misterious behavior of either kill or terminal Soviet_Mario <SovietMario@CCCP.MIR> - 2019-06-22 00:23 +0200
      Re: misterious behavior of either kill or terminal "J.O. Aho" <user@example.net> - 2019-06-22 09:50 +0200
        Re: misterious behavior of either kill or terminal gazelle@shell.xmission.com (Kenny McCormack) - 2019-06-22 19:13 +0000
          Re: misterious behavior of either kill or terminal "J.O. Aho" <user@example.net> - 2019-06-22 23:41 +0200
      Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-22 13:30 +0200
  Re: misterious behavior of either kill or terminal "J.O. Aho" <user@example.net> - 2019-06-21 21:39 +0200
    Re: misterious behavior of either kill or terminal Soviet_Mario <SovietMario@CCCP.MIR> - 2019-06-22 00:33 +0200
      Re: misterious behavior of either kill or terminal "J.O. Aho" <user@example.net> - 2019-06-22 09:28 +0200
      Re: misterious behavior of either kill or terminal "Carlos E.R." <robin_listas@es.invalid> - 2019-06-22 13:34 +0200

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