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* guardians.c (scm_guardian_gc_init): Turned into a hook function

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and added to scm_before_mark_c_hook.
(scm_guardian_zombify): Turned into a hook function and added to
scm_before_sweep_c_hook.
This commit is contained in:
Mikael Djurfeldt 2000-04-21 23:12:09 +00:00
parent 9b3e180c0d
commit 5d2565a7e7
1 changed files with 10 additions and 3 deletions
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13
libguile/guardians.c
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@ -206,11 +206,13 @@ static guardian_t **current_link_field = NULL;
/* called before gc mark phase begins to initialise the live guardian
list. */
void
scm_guardian_gc_init()
static void *
scm_guardian_gc_init (void *dummy1, void *dummy2, void *dummy3)
{
current_link_field = &first_live_guardian;
first_live_guardian = NULL;
return 0;
}
/* mark a guardian by adding it to the live guardian list. */
@ -230,7 +232,8 @@ g_mark (SCM ptr)
/* this is called by the garbage collector between the mark and sweep
phases. for each marked guardian, it moves any unmarked object in
its live list (tconc) to its zombie list (tconc). */
void scm_guardian_zombify (void)
static void *
scm_guardian_zombify (void *dummy1, void *dummy2, void *dummy3)
{
guardian_t *first_guardian;
guardian_t **link_field = &first_live_guardian;
@ -304,6 +307,8 @@ void scm_guardian_zombify (void)
scm_gc_mark (g->zombies.head);
} while (current_link_field != link_field);
return 0;
}
/* not generally used, since guardian smob is wrapped in a closure.
@ -326,6 +331,8 @@ scm_init_guardian()
scm_tc16_guardian = scm_make_smob_type_mfpe ("guardian", sizeof (guardian_t),
g_mark, NULL, g_print, NULL);
guard1 = scm_make_subr_opt ("guardian", scm_tc7_subr_2o, guard, 0);
scm_c_hook_add (&scm_before_mark_c_hook, scm_guardian_gc_init, 0, 0);
scm_c_hook_add (&scm_before_sweep_c_hook, scm_guardian_zombify, 0, 0);
#include "libguile/guardians.x"
}