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3ef4db15e9
This commit adds the new method `GC.compact` and compacting GC support. Please see this issue for caveats: https://bugs.ruby-lang.org/issues/15626 [Feature #15626] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/**********************************************************************
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transient_heap.h - declarations of transient_heap related APIs.
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Copyright (C) 2018 Koichi Sasada
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**********************************************************************/
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#ifndef RUBY_TRANSIENT_HEAP_H
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#define RUBY_TRANSIENT_HEAP_H
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#include "internal.h"
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#if USE_TRANSIENT_HEAP
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/* public API */
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/* Allocate req_size bytes from transient_heap.
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Allocated memories are free-ed when next GC
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if this memory is not marked by `rb_transient_heap_mark()`.
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*/
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void *rb_transient_heap_alloc(VALUE obj, size_t req_size);
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/* If `obj` uses a memory pointed by `ptr` from transient_heap,
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you need to call `rb_transient_heap_mark(obj, ptr)`
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to assert liveness of `obj` (and ptr). */
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void rb_transient_heap_mark(VALUE obj, const void *ptr);
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/* used by gc.c */
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void rb_transient_heap_promote(VALUE obj);
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void rb_transient_heap_start_marking(int full_marking);
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void rb_transient_heap_finish_marking(void);
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void rb_transient_heap_update_references(void);
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/* for debug API */
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void rb_transient_heap_dump(void);
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void rb_transient_heap_verify(void);
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int rb_transient_heap_managed_ptr_p(const void *ptr);
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/* evacuate functions for each type */
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void rb_ary_transient_heap_evacuate(VALUE ary, int promote);
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void rb_obj_transient_heap_evacuate(VALUE obj, int promote);
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void rb_hash_transient_heap_evacuate(VALUE hash, int promote);
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void rb_struct_transient_heap_evacuate(VALUE st, int promote);
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#else /* USE_TRANSIENT_HEAP */
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#define rb_transient_heap_alloc(o, s) NULL
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#define rb_transient_heap_verify() ((void)0)
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#define rb_transient_heap_promote(obj) ((void)0)
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#define rb_transient_heap_start_marking(full_marking) ((void)0)
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#define rb_transient_heap_update_references() ((void)0)
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#define rb_transient_heap_finish_marking() ((void)0)
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#define rb_transient_heap_mark(obj, ptr) ((void)0)
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#define rb_ary_transient_heap_evacuate(x, y) ((void)0)
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#define rb_obj_transient_heap_evacuate(x, y) ((void)0)
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#define rb_hash_transient_heap_evacuate(x, y) ((void)0)
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#define rb_struct_transient_heap_evacuate(x, y) ((void)0)
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#endif /* USE_TRANSIENT_HEAP */
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#endif
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