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Fix rb_mmtk_number_of_mutators #84

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Merged
merged 1 commit into from
Aug 1, 2024
Merged

Fix rb_mmtk_number_of_mutators #84

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29 changes: 18 additions & 11 deletions mmtk_support.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1525,17 +1525,6 @@ rb_mmtk_block_for_gc(MMTk_VMMutatorThread tls)
#endif
}

static size_t
rb_mmtk_number_of_mutators(void)
{
rb_mmtk_assert_mmtk_worker();
rb_mmtk_panic_if_multiple_ractor(__FUNCTION__);

rb_ractor_t *main_ractor = GET_VM()->ractor.main_ractor;
size_t num_threads = main_ractor->threads.cnt;
return num_threads;
}

static void
rb_mmtk_get_mutators(void (*visit_mutator)(MMTk_Mutator *mutator, void *data), void *data)
{
Expand All @@ -1557,6 +1546,24 @@ rb_mmtk_get_mutators(void (*visit_mutator)(MMTk_Mutator *mutator, void *data), v
}
}

static void
increment_mutator_counter(MMTk_Mutator *mutator, void *data)
{
size_t *counter = (size_t*)data;
(*counter)++;
}

static size_t
rb_mmtk_number_of_mutators(void)
{
rb_mmtk_assert_mmtk_worker();
rb_mmtk_panic_if_multiple_ractor(__FUNCTION__);

size_t counter = 0;
rb_mmtk_get_mutators(increment_mutator_counter, (void*)&counter);
return counter;
}

static void
rb_mmtk_scan_roots_in_mutator_thread(MMTk_VMMutatorThread mutator, MMTk_VMWorkerThread worker)
{
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