1 #include "test/jemalloc_test.h"
2
3 #define NTHREADS 10
4
5 static bool have_dss =
6 #ifdef JEMALLOC_DSS
7 true
8 #else
9 false
10 #endif
11 ;
12
13 void *
thd_start(void * arg)14 thd_start(void *arg)
15 {
16 unsigned thread_ind = (unsigned)(uintptr_t)arg;
17 unsigned arena_ind;
18 void *p;
19 size_t sz;
20
21 sz = sizeof(arena_ind);
22 assert_d_eq(mallctl("arenas.extend", (void *)&arena_ind, &sz, NULL, 0),
23 0, "Error in arenas.extend");
24
25 if (thread_ind % 4 != 3) {
26 size_t mib[3];
27 size_t miblen = sizeof(mib) / sizeof(size_t);
28 const char *dss_precs[] = {"disabled", "primary", "secondary"};
29 unsigned prec_ind = thread_ind %
30 (sizeof(dss_precs)/sizeof(char*));
31 const char *dss = dss_precs[prec_ind];
32 int expected_err = (have_dss || prec_ind == 0) ? 0 : EFAULT;
33 assert_d_eq(mallctlnametomib("arena.0.dss", mib, &miblen), 0,
34 "Error in mallctlnametomib()");
35 mib[1] = arena_ind;
36 assert_d_eq(mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss,
37 sizeof(const char *)), expected_err,
38 "Error in mallctlbymib()");
39 }
40
41 p = mallocx(1, MALLOCX_ARENA(arena_ind));
42 assert_ptr_not_null(p, "Unexpected mallocx() error");
43 dallocx(p, 0);
44
45 return (NULL);
46 }
47
TEST_BEGIN(test_MALLOCX_ARENA)48 TEST_BEGIN(test_MALLOCX_ARENA)
49 {
50 thd_t thds[NTHREADS];
51 unsigned i;
52
53 for (i = 0; i < NTHREADS; i++) {
54 thd_create(&thds[i], thd_start,
55 (void *)(uintptr_t)i);
56 }
57
58 for (i = 0; i < NTHREADS; i++)
59 thd_join(thds[i], NULL);
60 }
61 TEST_END
62
63 int
main(void)64 main(void)
65 {
66
67 return (test(
68 test_MALLOCX_ARENA));
69 }
70