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1 #include "test/jemalloc_test.h"
2 
TEST_BEGIN(test_prof_realloc)3 TEST_BEGIN(test_prof_realloc) {
4 	tsdn_t *tsdn;
5 	int flags;
6 	void *p, *q;
7 	prof_tctx_t *tctx_p, *tctx_q;
8 	uint64_t curobjs_0, curobjs_1, curobjs_2, curobjs_3;
9 
10 	test_skip_if(!config_prof);
11 
12 	tsdn = tsdn_fetch();
13 	flags = MALLOCX_TCACHE_NONE;
14 
15 	prof_cnt_all(&curobjs_0, NULL, NULL, NULL);
16 	p = mallocx(1024, flags);
17 	assert_ptr_not_null(p, "Unexpected mallocx() failure");
18 	tctx_p = prof_tctx_get(tsdn, p, NULL);
19 	assert_ptr_ne(tctx_p, (prof_tctx_t *)(uintptr_t)1U,
20 	    "Expected valid tctx");
21 	prof_cnt_all(&curobjs_1, NULL, NULL, NULL);
22 	assert_u64_eq(curobjs_0 + 1, curobjs_1,
23 	    "Allocation should have increased sample size");
24 
25 	q = rallocx(p, 2048, flags);
26 	assert_ptr_ne(p, q, "Expected move");
27 	assert_ptr_not_null(p, "Unexpected rmallocx() failure");
28 	tctx_q = prof_tctx_get(tsdn, q, NULL);
29 	assert_ptr_ne(tctx_q, (prof_tctx_t *)(uintptr_t)1U,
30 	    "Expected valid tctx");
31 	prof_cnt_all(&curobjs_2, NULL, NULL, NULL);
32 	assert_u64_eq(curobjs_1, curobjs_2,
33 	    "Reallocation should not have changed sample size");
34 
35 	dallocx(q, flags);
36 	prof_cnt_all(&curobjs_3, NULL, NULL, NULL);
37 	assert_u64_eq(curobjs_0, curobjs_3,
38 	    "Sample size should have returned to base level");
39 }
40 TEST_END
41 
42 int
main(void)43 main(void) {
44 	return test_no_reentrancy(
45 	    test_prof_realloc);
46 }
47