From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-workers@zsh.org
Subject: Re: TR : Re : [BUG] Crash due to malloc call in signal handler
Date: Sun, 15 Dec 2019 19:06:43 +0000 [thread overview]
Message-ID: <5768d5ca6d1e70c3b7c58b87ca99410f6306a584.camel@ntlworld.com> (raw)
In-Reply-To: <e567cdd1040e676377bcf64f39299c784a405cc3.camel@ntlworld.com>
On Sat, 2019-12-14 at 12:32 +0000, Peter Stephenson wrote:
> On Fri, 2019-12-13 at 21:08 +0000, Peter Stephenson wrote:
> > On Fri, 2019-12-13 at 17:30 +0000, Peter Stephenson wrote:
> > > I think the intention here is to make sure we're not blocking for a long
> > > time in this function, but if fgetc() is doing memory allocation we're
> > > going to have to put that in the signal blocking. However, if the input
> > > itself blocks in fgetc() that's going to be a problem. The fix might be
> > > not to fdopen() the input file, but just read into a buffer with
> > > read().
> >
> > This would look like the following, which is passing tests...
>
> Slight update to close the file descriptor and to document the arguments
> of the function.
I've committed this --- and as it's potentially serious we should let it
get a bit of testing and then get it into the release --- but as I've
still had no comments further examination is still welcome.
pws
next prev parent reply other threads:[~2019-12-15 21:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20191213171028eucas1p2e7820377701008b2d05c898192b7c17e@eucas1p2.samsung.com>
2019-12-13 17:09 ` Antoine C.
2019-12-13 17:30 ` Peter Stephenson
2019-12-13 21:08 ` Peter Stephenson
2019-12-14 12:32 ` Peter Stephenson
2019-12-15 19:06 ` Peter Stephenson [this message]
2019-12-16 4:00 ` Daniel Shahaf
2019-12-16 10:05 ` Peter Stephenson
2019-12-13 21:10 ` Bart Schaefer
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