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Re: [Chicken-users] assigning scheme object to foreign pointer
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From: |
Thomas Chust |
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Subject: |
Re: [Chicken-users] assigning scheme object to foreign pointer |
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Date: |
Mon, 16 Dec 2013 01:26:41 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 2013-12-16 00:59, pluijzer wrote:
> [...]
> I am using a C-library that lets you assign user data to objects via a void
> pointer.
> I would like to assign a scheme object to this pointer, but as I understand I
> cannot use
> 'object->pointer' for this, as the garbage collector might move the object.
> [...]
Hello,
check out CHICKEN_new_gc_root and friends [1]. These functions can be
used to manage mutable cells that can hold references to Scheme objects
and are taken into account by the garbage collector.
Ciao,
Thomas
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[1] http://wiki.call-cc.org/man/4/Embedding#chicken_new_gc_root
--
When C++ is your hammer, every problem looks like your thumb.