memory/jemalloc/src/test/ALLOCM_ARENA.c@6474c204b198
memory/jemalloc/src/test/ALLOCM_ARENA.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 #define JEMALLOC_MANGLE
2 #include "jemalloc_test.h"
4 #define NTHREADS 10
6 void *
7 je_thread_start(void *arg)
8 {
9 unsigned thread_ind = (unsigned)(uintptr_t)arg;
10 unsigned arena_ind;
11 int r;
12 void *p;
13 size_t rsz, sz;
15 sz = sizeof(arena_ind);
16 if (mallctl("arenas.extend", &arena_ind, &sz, NULL, 0)
17 != 0) {
18 malloc_printf("Error in arenas.extend\n");
19 abort();
20 }
22 if (thread_ind % 4 != 3) {
23 size_t mib[3];
24 size_t miblen = sizeof(mib) / sizeof(size_t);
25 const char *dss_precs[] = {"disabled", "primary", "secondary"};
26 const char *dss = dss_precs[thread_ind % 4];
27 if (mallctlnametomib("arena.0.dss", mib, &miblen) != 0) {
28 malloc_printf("Error in mallctlnametomib()\n");
29 abort();
30 }
31 mib[1] = arena_ind;
32 if (mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss,
33 sizeof(const char *))) {
34 malloc_printf("Error in mallctlbymib()\n");
35 abort();
36 }
37 }
39 r = allocm(&p, &rsz, 1, ALLOCM_ARENA(arena_ind));
40 if (r != ALLOCM_SUCCESS) {
41 malloc_printf("Unexpected allocm() error\n");
42 abort();
43 }
45 return (NULL);
46 }
48 int
49 main(void)
50 {
51 je_thread_t threads[NTHREADS];
52 unsigned i;
54 malloc_printf("Test begin\n");
56 for (i = 0; i < NTHREADS; i++) {
57 je_thread_create(&threads[i], je_thread_start,
58 (void *)(uintptr_t)i);
59 }
61 for (i = 0; i < NTHREADS; i++)
62 je_thread_join(threads[i], NULL);
64 malloc_printf("Test end\n");
65 return (0);
66 }
