I do understand, and the problem is that your question is similar to asking how
to get a memory pointer from systemd for your program.
The short answer is, not doable.
The bit longer answer is that /usr/sbin/dovecot is a fancy service supervisor,
it's job is to launch and manage processes, it won't give you persistence
service for data.
Aki
> On 14/03/2024 07:49 EET Joan Moreau via dovecot wrote:
>
>
> No, you don´t understand
>
> There is a core process (/usr/bin/dovecot) running all the time. So I
> want to allocate a memory block, the core process keep it and it is
> retrievable by the pluging when laded again
>
> At exit of /usr/bin/dovecot, it just does a "delete()" of the said
> allocation
>
> On 2024-03-14 13:25, Aki Tuomi via dovecot wrote:
>
> > Hi!
> >
> > Sorry but that's just not possible, ther is no "core" where to create
> > such object. There is no "dovecot" where to store things.
> >
> > When user logs in, dovecot executes /usr/libexec/dovecot/imap and
> > transfers the connection fd there. then plugins and stuff are loaded,
> > and the user does what he does, and then plugins and stuff are unloaded
> > and process exists and no longer exists in memory.
> >
> > You are clearly asking about memory persistence between sessions, and
> > this can be done with
> >
> > a) services (internal or external), such as redis, sql, or something
> > else
> > b) storing things to disk
> >
> > Aki
> >
> > On 13/03/2024 18:45 EET Joan Moreau via dovecot
> > wrote:
> >
> > No, I am not referring to that
> >
> > I want to create an object at first call in memory
> >
> > that object would be retrievable at second and furthers calls of the
> > plugin, as long as dovecot is running
> >
> > On 2024-03-13 16:29, Aki Tuomi via dovecot wrote:
> >
> > Not really no. You should use e.g. dict inteface for storing this kind
> > of stateful data. When deinit is called the calling core process will
> > likely die too.
> >
> > Aki
> >
> > On 13/03/2024 10:19 EET Joan Moreau wrote:
> >
> > Keep a pointer in memory retrievable each time a plugin is called
> >
> > So the plugin keep the memory, not has to restart everything at each
> > call
> >
> > On 12 March 2024 08:53:38 Aki Tuomi via dovecot
> > wrote:
> >
> > On 11/03/2024 10:42 EET Joan Moreau wrote:
> >
> > Hi
> > Is it possible, from a plugin perspective, to create and recover a
> > pointer in the core process (i.e. memory not lost between 2 calls to
> > the plugin, even after the "deinit" of the plugin" ) ?
> >
> > Thanks
> > Hi Joan!
> >
> > May I ask what you are attempting to achieve in more detail?
> >
> > Aki
> > ___
> > dovecot mailing list -- dovecot@dovecot.org
> > To unsubscribe send an email to dovecot-le...@dovecot.org
> > ___
> > dovecot mailing list -- dovecot@dovecot.org
> > To unsubscribe send an email to dovecot-leave@dovecot.orgNo, I am not
> > referring to that
> > I want to create an object at first call in memory
> > that object would be retrievable at second and furthers calls of the
> > plugin, as
> > long as dovecot is running
> >
> > On 2024-03-13 16:29, Aki Tuomi via dovecot wrote:
> > Not really no. You should use e.g. dict inteface for storing this
> > kind of stateful data. When deinit is called the calling core process
> > will likely die too.
> >
> > Aki
> >
> > On 13/03/2024 10:19 EET Joan Moreau wrote:
> >
> > Keep a pointer in memory retrievable each time a plugin is
> > called
> >
> > So the plugin keep the memory, not has to restart
> > everything at each call
> >
> > On 12 March 2024 08:53:38 Aki Tuomi via dovecot
> > wrote:
> >
> > On 11/03/2024 10:42 EET Joan Moreau
> > wrote:
> >
> > Hi
> > Is it possible, from a plugin
> > perspective, to create and recover a
> > pointer in the core process (i.e.
> > memory not lost between 2 calls to the
> > plugin, even after the "deinit" of the
> > plugin" ) ?
> >
> > Thanks
> >
> > Hi Joan!
> >
> > May I ask what you are attempting to achieve in
> > more detail?
> >
> > Aki
> > ___
> > dovecot mailing list -- dovecot@dovecot.org
> > To unsubscribe send an email to dovecot-
> > le...@dovecot.org
> > ___
> > dovecot mailing list -- dovecot@dovecot.org
> > To unsubscribe send an email to dovecot-le...@dovecot.org
> >
> > ___
> > dovecot mailing list -- dovecot@dovecot.org
> > To unsubscribe send an email to dovecot-le...@dovecot.org
> ___
> dovecot mailing list -- dovecot@dovecot.org
> To unsubscribe send an email to dovecot-leave@dovecot.orgNo, you don´t
> understand
> There is a core process (/usr/bin/dovecot) running all the time. So I want to
> allocate a memory block, the core process keep it and it is retrievable by the
> pluging when laded again
> At exit