1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
#include "vm/gc.h"
#include "../boehmgc/include/gc.h"
#include <stdio.h>
static void *gc_out_of_memory(size_t nr)
{
if (verbose_gc)
fprintf(stderr, "[GC]\n");
GC_gcollect();
return NULL; /* is this ok? */
}
static void gc_ignore_warnings(char *msg, GC_word arg)
{
}
static int
do_gc_register_finalizer(struct vm_object *object, finalizer_fn finalizer)
{
GC_register_finalizer_no_order(object, (GC_finalization_proc) finalizer,
NULL, NULL, NULL);
return 0;
}
static void *do_gc_malloc(size_t size)
{
void *p;
p = GC_malloc(size);
if (!p)
return NULL;
memset(p, 0, size);
return p;
}
static void *do_gc_malloc_noscan(size_t size)
{
void *p;
p = GC_malloc_atomic(size);
if (!p)
return NULL;
memset(p, 0, size);
return p;
}
static void *do_gc_malloc_uncollectable(size_t size)
{
void *p;
p = GC_malloc_uncollectable(size);
if (!p)
return NULL;
memset(p, 0, size);
return p;
}
static void do_gc_free(void *ptr)
{
GC_free(ptr);
}
void gc_setup_boehm(void)
{
gc_ops = (struct gc_operations) {
.gc_alloc = do_gc_malloc,
.gc_alloc_noscan = do_gc_malloc_noscan,
.vm_alloc = do_gc_malloc_uncollectable,
.vm_free = do_gc_free,
.gc_register_finalizer = do_gc_register_finalizer
};
GC_set_warn_proc(gc_ignore_warnings);
GC_oom_fn = gc_out_of_memory;
GC_quiet = 1;
GC_dont_gc = dont_gc;
GC_INIT();
GC_set_max_heap_size(max_heap_size);
}
|
