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Refactor to how struct and smob finalization works

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* libguile/finalizers.h:
* libguile/finalizers.c (scm_i_add_struct_finalizer):
(scm_i_add_smob_finalizer): New internal API.
* libguile/smob.c (scm_i_new_smob):
(scm_i_new_double_smob):
* libguile/struct.c (scm_i_alloc_struct): Use it.
This commit is contained in:
Andy Wingo 2025-05-02 16:16:57 +02:00
parent 6ffddf5dae
commit 532df66e07
4 changed files with 42 additions and 15 deletions
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8
libguile/struct.c
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@ -319,12 +319,6 @@ scm_i_finalize_struct (struct scm_thread *thread, SCM obj)
finalize (obj);
}
static void
struct_finalizer_trampoline (void *ptr, void *data)
{
scm_i_finalize_struct (SCM_I_CURRENT_THREAD, PTR2SCM (ptr));
}
/* A struct is a sequence of words preceded by a pointer to the struct's
vtable. The vtable reference is tagged with the struct tc3. */
static SCM
@ -337,7 +331,7 @@ scm_i_alloc_struct (scm_t_bits vtable_bits, int n_words)
/* vtable_bits can be 0 when making a vtable vtable */
if (vtable_bits && SCM_VTABLE_INSTANCE_FINALIZER (SCM_PACK (vtable_bits)))
/* Register a finalizer for the newly created instance. */
scm_i_set_finalizer (SCM2PTR (ret), struct_finalizer_trampoline, NULL);
scm_i_add_struct_finalizer (SCM_I_CURRENT_THREAD, ret);
return ret;
}