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