Hi Isaac,
Isaac Jurado writes:
> I'm playing with event loop libraries implemented in C (libev,
> libevent, etc... in my case libsystemd), but configuring them from
> Guile.
>
> The qsort example in the documentation [1] seems safe because the
> qsort C function directly calls back, so the callb
On Sat, Jun 29, 2019 at 7:44 PM Greg Troxel wrote:
> Isaac Jurado writes:
>
> > On Thu, Jun 27, 2019 at 9:52 PM Greg Troxel wrote:
> >
> >> I have been down this path before, with guile and with lua. Basically,
> >> if C (or non-scheme) has a pointer to a scheme object, then you need to
> >> h
> On 27 Jun 2019, at 21:52, Greg Troxel wrote:
>
> I have been down this path before, with guile and with lua. Basically,
> if C (or non-scheme) has a pointer to a scheme object, then you need to
> hold a logical reference for it and protect the scheme object, and when
> the C pointer is dropp
Hello,
>...
> In my experience, it's definitely not ok to capture a pointer to a
> scheme object and store it for later use without protecting the scheme
> object from gc by holding a reference.
I recently had a similar conversation, here is one of the emails of the thread,
the
one that lists a
Isaac Jurado writes:
> On Thu, Jun 27, 2019 at 9:52 PM Greg Troxel wrote:
>
>> I have been down this path before, with guile and with lua. Basically,
>> if C (or non-scheme) has a pointer to a scheme object, then you need to
>> hold a logical reference for it and protect the scheme object, and
On Thu, Jun 27, 2019 at 9:52 PM Greg Troxel wrote:
>
> I have been down this path before, with guile and with lua. Basically,
> if C (or non-scheme) has a pointer to a scheme object, then you need to
> hold a logical reference for it and protect the scheme object, and when
> the C pointer is dro
Isaac Jurado writes:
> Hello,
>
> I'm playing with event loop libraries implemented in C (libev, libevent,
> etc... in my case libsystemd), but configuring them from Guile.
>
> The qsort example in the documentation [1] seems safe because the qsort C
> function directly calls back, so the callbac
