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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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34
libguile/finalizers.c
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@ -40,6 +40,8 @@
#include "gsubr.h"
#include "init.h"
#include "numbers.h"
#include "struct.h"
#include "smob.h"
#include "threads.h"
#include "version.h"
@ -150,6 +152,38 @@ scm_i_add_finalizer (void *obj, scm_t_finalizer_proc proc, void *data)
shuffle_resuscitators_to_front (chained_data);
}
static void
struct_finalizer_trampoline (void *ptr, void *data)
{
scm_i_finalize_struct (SCM_I_CURRENT_THREAD, PTR2SCM (ptr));
}
static void
smob_finalizer_trampoline (void *ptr, void *data)
{
scm_i_finalize_smob (SCM_I_CURRENT_THREAD, PTR2SCM (ptr));
}
SCM
scm_i_add_struct_finalizer (struct scm_thread *thread, SCM obj)
{
if (!SCM_STRUCTP (obj))
abort ();
scm_i_set_finalizer (SCM2PTR (obj), struct_finalizer_trampoline, NULL);
return SCM_UNSPECIFIED;
}
SCM
scm_i_add_smob_finalizer (struct scm_thread *thread, SCM obj)
{
if (!SCM_HAS_TYP7 (obj, scm_tc7_smob))
abort ();
scm_i_set_finalizer (SCM2PTR (obj), smob_finalizer_trampoline, NULL);
return SCM_UNSPECIFIED;
}
static void
invoke_finalizer (void *obj, void *data)
{