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Re: Concurrency via isolated process/thread


From: Ihor Radchenko
Subject: Re: Concurrency via isolated process/thread
Date: Mon, 24 Jul 2023 14:13:30 +0000

Eli Zaretskii <eliz@gnu.org> writes:

>> Switching buffer already involves juggling with pt_marker_ in
>> record_buffer_markers and fetch_buffer_markers.
>
> No, it doesn't, not if the code only sets current_buffer.
>> They still use set_buffer_internal.
>
> That's not necessary for some operations.

Then, we can store pt, zv, and begv as markers.

PT/ZV/BEGV macros will do something like

current_buffer == current_thread->m_pt->buffer?
  current_thread->m_pt->charpos:
  (<update current_thread->m_pt and return it>)

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>



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