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Lazily invalidate cme for safety

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This commit is contained in:
Takashi Kokubun 2023-02-10 16:04:04 -08:00
parent 1bdc23f35b
commit 1892ec5738
1 changed files with 12 additions and 2 deletions
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14
mjit.c
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@ -331,10 +331,11 @@ rb_mjit_bop_redefined(int redefined_flag, enum ruby_basic_operators bop)
mjit_call_p = false; mjit_call_p = false;
} }
void static void
rb_mjit_cme_invalidate(rb_callable_method_entry_t *cme) mjit_cme_invalidate(void *data)
{ {
if (!mjit_enabled || !mjit_call_p || !rb_mMJITHooks) return; if (!mjit_enabled || !mjit_call_p || !rb_mMJITHooks) return;
rb_callable_method_entry_t *cme = (rb_callable_method_entry_t *)data;
WITH_MJIT_DISABLED({ WITH_MJIT_DISABLED({
VALUE cme_klass = rb_funcall(rb_mMJITC, rb_intern("rb_callable_method_entry_struct"), 0); VALUE cme_klass = rb_funcall(rb_mMJITC, rb_intern("rb_callable_method_entry_struct"), 0);
VALUE cme_ptr = rb_funcall(cme_klass, rb_intern("new"), 1, SIZET2NUM((size_t)cme)); VALUE cme_ptr = rb_funcall(cme_klass, rb_intern("new"), 1, SIZET2NUM((size_t)cme));
@ -342,6 +343,15 @@ rb_mjit_cme_invalidate(rb_callable_method_entry_t *cme)
}); });
} }
void
rb_mjit_cme_invalidate(rb_callable_method_entry_t *cme)
{
if (!mjit_enabled || !mjit_call_p || !rb_mMJITHooks) return;
// Asynchronously hook the Ruby code since running Ruby in the middle of cme invalidation is dangerous.
extern int rb_workqueue_register(unsigned flags, rb_postponed_job_func_t func, void *data);
rb_workqueue_register(0, mjit_cme_invalidate, (void *)cme);
}
void void
rb_mjit_before_ractor_spawn(void) rb_mjit_before_ractor_spawn(void)
{ {