1#include "test/jemalloc_test.h"
2
3chunk_alloc_t *old_alloc;
4chunk_dalloc_t *old_dalloc;
5chunk_purge_t *old_purge;
6bool purged;
7
8void *
9chunk_alloc(void *new_addr, size_t size, size_t alignment, bool *zero,
10    unsigned arena_ind)
11{
12
13	return (old_alloc(new_addr, size, alignment, zero, arena_ind));
14}
15
16bool
17chunk_dalloc(void *chunk, size_t size, unsigned arena_ind)
18{
19
20	return (old_dalloc(chunk, size, arena_ind));
21}
22
23bool
24chunk_purge(void *chunk, size_t offset, size_t length, unsigned arena_ind)
25{
26
27	purged = true;
28	return (old_purge(chunk, offset, length, arena_ind));
29}
30
31TEST_BEGIN(test_chunk)
32{
33	void *p;
34	chunk_alloc_t *new_alloc;
35	chunk_dalloc_t *new_dalloc;
36	chunk_purge_t *new_purge;
37	size_t old_size, new_size, huge0, huge1, huge2, sz;
38
39	new_alloc = chunk_alloc;
40	new_dalloc = chunk_dalloc;
41	new_purge = chunk_purge;
42	old_size = sizeof(chunk_alloc_t *);
43	new_size = sizeof(chunk_alloc_t *);
44
45	assert_d_eq(mallctl("arena.0.chunk.alloc", &old_alloc, &old_size,
46	    &new_alloc, new_size), 0, "Unexpected alloc error");
47	assert_ptr_ne(old_alloc, new_alloc, "Unexpected alloc error");
48
49	assert_d_eq(mallctl("arena.0.chunk.dalloc", &old_dalloc, &old_size,
50	    &new_dalloc, new_size), 0, "Unexpected dalloc error");
51	assert_ptr_ne(old_dalloc, new_dalloc, "Unexpected dalloc error");
52
53	assert_d_eq(mallctl("arena.0.chunk.purge", &old_purge, &old_size,
54	    &new_purge, new_size), 0, "Unexpected purge error");
55	assert_ptr_ne(old_purge, new_purge, "Unexpected purge error");
56
57	sz = sizeof(size_t);
58	assert_d_eq(mallctl("arenas.hchunk.0.size", &huge0, &sz, NULL, 0), 0,
59	    "Unexpected arenas.hchunk.0.size failure");
60	assert_d_eq(mallctl("arenas.hchunk.1.size", &huge1, &sz, NULL, 0), 0,
61	    "Unexpected arenas.hchunk.1.size failure");
62	assert_d_eq(mallctl("arenas.hchunk.2.size", &huge2, &sz, NULL, 0), 0,
63	    "Unexpected arenas.hchunk.2.size failure");
64	if (huge0 * 2 > huge2) {
65		/*
66		 * There are at least four size classes per doubling, so
67		 * xallocx() from size=huge2 to size=huge1 is guaranteed to
68		 * leave trailing purgeable memory.
69		 */
70		p = mallocx(huge2, 0);
71		assert_ptr_not_null(p, "Unexpected mallocx() error");
72		purged = false;
73		assert_zu_eq(xallocx(p, huge1, 0, 0), huge1,
74		    "Unexpected xallocx() failure");
75		assert_true(purged, "Unexpected purge");
76		dallocx(p, 0);
77	}
78
79	p = mallocx(42, 0);
80	assert_ptr_not_null(p, "Unexpected mallocx() error");
81	free(p);
82
83	assert_d_eq(mallctl("arena.0.chunk.alloc", NULL, NULL, &old_alloc,
84	    old_size), 0, "Unexpected alloc error");
85	assert_d_eq(mallctl("arena.0.chunk.dalloc", NULL, NULL, &old_dalloc,
86	    old_size), 0, "Unexpected dalloc error");
87	assert_d_eq(mallctl("arena.0.chunk.purge", NULL, NULL, &old_purge,
88	    old_size), 0, "Unexpected purge error");
89}
90TEST_END
91
92int
93main(void)
94{
95
96	return (test(test_chunk));
97}
98