Re: trap removement / termux issue

[alex xmb ratchev]

On Sun, Jul 16, 2023, 10:12 PM Greg Wooledge <greg@wooledge.org> wrote:

> On Sun, Jul 16, 2023 at 10:03:29PM +0200, alex xmb ratchev wrote:
> > On Sun, Jul 16, 2023, 9:41 PM Greg Wooledge <greg@wooledge.org> wrote:
> >
> > > On Sun, Jul 16, 2023 at 09:36:12PM +0200, alex xmb ratchev wrote:
> > > > .. ignored upon entry .. who / how defines these
> > >
> > > The parent process.  This is how everything in Unix works.
> > >
> >
> > i just havent seen any vars or cmds for this
>
> The parent process of bash, which is either a terminal emulator or
> something like dbus.
>
> It's a black box.  You have no way of knowing what it does, unless you
> read its source code.  You can only observe the effects it has.
>
> One of those effects is, apparently, setting a signal handler to ignore
> the SIGRTMIN+4 signal, for some reason which is not immediately obvious.
>
> Since bash inherits this ignored signal from its parent, bash leaves it
> alone.
>
> That's all.  Nothing more to see here.  Just ignore it.
>

ye , good read , thxx

>