1#include "test/jemalloc_test.h"
2
3#define	NTHREADS 10
4
5void *
6thd_start(void *arg)
7{
8	unsigned main_arena_ind = *(unsigned *)arg;
9	void *p;
10	unsigned arena_ind;
11	size_t size;
12	int err;
13
14	p = malloc(1);
15	assert_ptr_not_null(p, "Error in malloc()");
16	free(p);
17
18	size = sizeof(arena_ind);
19	if ((err = mallctl("thread.arena", (void *)&arena_ind, &size,
20	    (void *)&main_arena_ind, sizeof(main_arena_ind)))) {
21		char buf[BUFERROR_BUF];
22
23		buferror(err, buf, sizeof(buf));
24		test_fail("Error in mallctl(): %s", buf);
25	}
26
27	size = sizeof(arena_ind);
28	if ((err = mallctl("thread.arena", (void *)&arena_ind, &size, NULL,
29	    0))) {
30		char buf[BUFERROR_BUF];
31
32		buferror(err, buf, sizeof(buf));
33		test_fail("Error in mallctl(): %s", buf);
34	}
35	assert_u_eq(arena_ind, main_arena_ind,
36	    "Arena index should be same as for main thread");
37
38	return (NULL);
39}
40
41TEST_BEGIN(test_thread_arena)
42{
43	void *p;
44	unsigned arena_ind;
45	size_t size;
46	int err;
47	thd_t thds[NTHREADS];
48	unsigned i;
49
50	p = malloc(1);
51	assert_ptr_not_null(p, "Error in malloc()");
52
53	size = sizeof(arena_ind);
54	if ((err = mallctl("thread.arena", (void *)&arena_ind, &size, NULL,
55	    0))) {
56		char buf[BUFERROR_BUF];
57
58		buferror(err, buf, sizeof(buf));
59		test_fail("Error in mallctl(): %s", buf);
60	}
61
62	for (i = 0; i < NTHREADS; i++) {
63		thd_create(&thds[i], thd_start,
64		    (void *)&arena_ind);
65	}
66
67	for (i = 0; i < NTHREADS; i++) {
68		intptr_t join_ret;
69		thd_join(thds[i], (void *)&join_ret);
70		assert_zd_eq(join_ret, 0, "Unexpected thread join error");
71	}
72}
73TEST_END
74
75int
76main(void)
77{
78
79	return (test(
80	    test_thread_arena));
81}
82