source: src/examples/gc_no_raii/src/internal/state.h @ bee4283

aaron-thesisarm-ehcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since bee4283 was bee4283, checked in by Thierry Delisle <tdelisle@…>, 6 years ago

GC files now compile, still working on a compiling example

  • Property mode set to 100644
File size: 1.2 KB
Line 
1#pragma once
2
3#ifdef __cforall
4extern "C" {
5#endif
6#include <stddef.h>
7#include <stdint.h>
8#ifdef __cforall
9}
10#endif
11#include <vector>
12
13#include "tools.h"
14
15typedef vector(struct gc_memory_pool*, heap_allocator(struct gc_memory_pool*)) pools_table_t;
16
17struct gc_state
18{
19        bool is_initialized;
20        uint8_t from_code;
21        struct gc_memory_pool* to_space;
22        struct gc_memory_pool* from_space;
23
24        size_t total_space;
25        size_t used_space;
26
27        pools_table_t   pools_table;
28        size_t          pools_table_count;
29};
30
31void ctor(gc_state* const state);
32
33void dtor(gc_state* const state);
34
35gc_state* gc_get_state();
36
37static inline bool gc_needs_collect(gc_state* state)
38{
39        return state->used_space * 2 > state->total_space;
40}
41
42void gc_collect(gc_state* const this);
43
44void* gc_try_allocate(gc_state* const this, size_t size);
45
46void gc_allocate_pool(gc_state* const state);
47
48bool gc_is_in_heap(const gc_state* const state, const void* const address);
49
50bool gc_is_in_to_space(const gc_state* const state, const void* const address);
51
52static inline uint8_t gc_from_space_code(const gc_state *const this)
53{
54        return this->from_code;
55}
56
57struct gc_object_header* gc_get_object_for_ref(gc_state* state, void*);
58
59static inline void gc_register_allocation(gc_state* state, size_t size)
60{
61        state->used_space += size;
62}
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