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Introduce MODULAR_GC_FN

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MODULAR_GC_FN allows functions in gc.c to be defined as static when not
building with modular GC.
This commit is contained in:
Peter Zhu 2025-06-05 22:10:47 -04:00
parent 94ba62c790
commit 347e581a4c
Notes: git 2025-06-06 14:47:09 +00:00 
Merged: https://github.com/ruby/ruby/pull/13539
1 changed files with 53 additions and 36 deletions
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89
gc/gc.h
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@ -34,53 +34,70 @@ enum rb_gc_vm_weak_tables {
RB_GC_VM_WEAK_TABLE_COUNT
};
#if USE_MODULAR_GC
# define MODULAR_GC_FN
#else
// This takes advantage of internal linkage winning when appearing first.
// See C99 6.2.2p4.
# define MODULAR_GC_FN static
#endif
#if USE_MODULAR_GC
RUBY_SYMBOL_EXPORT_BEGIN
unsigned int rb_gc_vm_lock(void);
void rb_gc_vm_unlock(unsigned int lev);
unsigned int rb_gc_cr_lock(void);
void rb_gc_cr_unlock(unsigned int lev);
unsigned int rb_gc_vm_lock_no_barrier(void);
void rb_gc_vm_unlock_no_barrier(unsigned int lev);
void rb_gc_vm_barrier(void);
size_t rb_gc_obj_optimal_size(VALUE obj);
void rb_gc_mark_children(void *objspace, VALUE obj);
void rb_gc_vm_weak_table_foreach(vm_table_foreach_callback_func callback, vm_table_update_callback_func update_callback, void *data, bool weak_only, enum rb_gc_vm_weak_tables table);
void rb_gc_update_object_references(void *objspace, VALUE obj);
void rb_gc_update_vm_references(void *objspace);
void rb_gc_event_hook(VALUE obj, rb_event_flag_t event);
void *rb_gc_get_objspace(void);
#endif
// These functions cannot be defined as static because they are used by other
// files in Ruby.
size_t rb_size_mul_or_raise(size_t x, size_t y, VALUE exc);
void rb_gc_run_obj_finalizer(VALUE objid, long count, VALUE (*callback)(long i, void *data), void *data);
void rb_gc_set_pending_interrupt(void);
void rb_gc_unset_pending_interrupt(void);
void rb_gc_obj_free_vm_weak_references(VALUE obj);
bool rb_gc_obj_free(void *objspace, VALUE obj);
void rb_gc_save_machine_context(void);
void rb_gc_mark_roots(void *objspace, const char **categoryp);
void rb_gc_ractor_newobj_cache_foreach(void (*func)(void *cache, void *data), void *data);
bool rb_gc_multi_ractor_p(void);
void rb_objspace_reachable_objects_from_root(void (func)(const char *category, VALUE, void *), void *passing_data);
void rb_objspace_reachable_objects_from(VALUE obj, void (func)(VALUE, void *), void *data);
void rb_obj_info_dump(VALUE obj);
const char *rb_obj_info(VALUE obj);
bool rb_gc_shutdown_call_finalizer_p(VALUE obj);
uint32_t rb_gc_get_shape(VALUE obj);
void rb_gc_set_shape(VALUE obj, uint32_t shape_id);
uint32_t rb_gc_rebuild_shape(VALUE obj, size_t heap_id);
size_t rb_obj_memsize_of(VALUE obj);
void rb_gc_prepare_heap_process_object(VALUE obj);
bool ruby_free_at_exit_p(void);
bool rb_memerror_reentered(void);
bool rb_obj_id_p(VALUE);
void rb_objspace_reachable_objects_from_root(void (func)(const char *category, VALUE, void *), void *passing_data);
MODULAR_GC_FN unsigned int rb_gc_vm_lock(void);
MODULAR_GC_FN void rb_gc_vm_unlock(unsigned int lev);
MODULAR_GC_FN unsigned int rb_gc_cr_lock(void);
MODULAR_GC_FN void rb_gc_cr_unlock(unsigned int lev);
MODULAR_GC_FN unsigned int rb_gc_vm_lock_no_barrier(void);
MODULAR_GC_FN void rb_gc_vm_unlock_no_barrier(unsigned int lev);
MODULAR_GC_FN void rb_gc_vm_barrier(void);
MODULAR_GC_FN size_t rb_gc_obj_optimal_size(VALUE obj);
MODULAR_GC_FN void rb_gc_mark_children(void *objspace, VALUE obj);
MODULAR_GC_FN void rb_gc_vm_weak_table_foreach(vm_table_foreach_callback_func callback, vm_table_update_callback_func update_callback, void *data, bool weak_only, enum rb_gc_vm_weak_tables table);
MODULAR_GC_FN void rb_gc_update_object_references(void *objspace, VALUE obj);
MODULAR_GC_FN void rb_gc_update_vm_references(void *objspace);
MODULAR_GC_FN void rb_gc_event_hook(VALUE obj, rb_event_flag_t event);
MODULAR_GC_FN void *rb_gc_get_objspace(void);
MODULAR_GC_FN void rb_gc_run_obj_finalizer(VALUE objid, long count, VALUE (*callback)(long i, void *data), void *data);
MODULAR_GC_FN void rb_gc_set_pending_interrupt(void);
MODULAR_GC_FN void rb_gc_unset_pending_interrupt(void);
MODULAR_GC_FN void rb_gc_obj_free_vm_weak_references(VALUE obj);
MODULAR_GC_FN bool rb_gc_obj_free(void *objspace, VALUE obj);
MODULAR_GC_FN void rb_gc_save_machine_context(void);
MODULAR_GC_FN void rb_gc_mark_roots(void *objspace, const char **categoryp);
MODULAR_GC_FN void rb_gc_ractor_newobj_cache_foreach(void (*func)(void *cache, void *data), void *data);
MODULAR_GC_FN bool rb_gc_multi_ractor_p(void);
MODULAR_GC_FN bool rb_gc_shutdown_call_finalizer_p(VALUE obj);
MODULAR_GC_FN uint32_t rb_gc_get_shape(VALUE obj);
MODULAR_GC_FN void rb_gc_set_shape(VALUE obj, uint32_t shape_id);
MODULAR_GC_FN uint32_t rb_gc_rebuild_shape(VALUE obj, size_t heap_id);
MODULAR_GC_FN void rb_gc_prepare_heap_process_object(VALUE obj);
MODULAR_GC_FN bool rb_memerror_reentered(void);
MODULAR_GC_FN bool rb_obj_id_p(VALUE);
#if USE_MODULAR_GC
bool rb_gc_event_hook_required_p(rb_event_flag_t event);
void *rb_gc_get_ractor_newobj_cache(void);
void rb_gc_initialize_vm_context(struct rb_gc_vm_context *context);
void rb_gc_worker_thread_set_vm_context(struct rb_gc_vm_context *context);
void rb_gc_worker_thread_unset_vm_context(struct rb_gc_vm_context *context);
MODULAR_GC_FN bool rb_gc_event_hook_required_p(rb_event_flag_t event);
MODULAR_GC_FN void *rb_gc_get_ractor_newobj_cache(void);
MODULAR_GC_FN void rb_gc_initialize_vm_context(struct rb_gc_vm_context *context);
MODULAR_GC_FN void rb_gc_worker_thread_set_vm_context(struct rb_gc_vm_context *context);
MODULAR_GC_FN void rb_gc_worker_thread_unset_vm_context(struct rb_gc_vm_context *context);
#endif
#if USE_MODULAR_GC
RUBY_SYMBOL_EXPORT_END
#endif
void rb_ractor_finish_marking(void);