1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/memory/jemalloc/src/test/ALLOCM_ARENA.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,66 @@
1.4 +#define JEMALLOC_MANGLE
1.5 +#include "jemalloc_test.h"
1.6 +
1.7 +#define NTHREADS 10
1.8 +
1.9 +void *
1.10 +je_thread_start(void *arg)
1.11 +{
1.12 + unsigned thread_ind = (unsigned)(uintptr_t)arg;
1.13 + unsigned arena_ind;
1.14 + int r;
1.15 + void *p;
1.16 + size_t rsz, sz;
1.17 +
1.18 + sz = sizeof(arena_ind);
1.19 + if (mallctl("arenas.extend", &arena_ind, &sz, NULL, 0)
1.20 + != 0) {
1.21 + malloc_printf("Error in arenas.extend\n");
1.22 + abort();
1.23 + }
1.24 +
1.25 + if (thread_ind % 4 != 3) {
1.26 + size_t mib[3];
1.27 + size_t miblen = sizeof(mib) / sizeof(size_t);
1.28 + const char *dss_precs[] = {"disabled", "primary", "secondary"};
1.29 + const char *dss = dss_precs[thread_ind % 4];
1.30 + if (mallctlnametomib("arena.0.dss", mib, &miblen) != 0) {
1.31 + malloc_printf("Error in mallctlnametomib()\n");
1.32 + abort();
1.33 + }
1.34 + mib[1] = arena_ind;
1.35 + if (mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss,
1.36 + sizeof(const char *))) {
1.37 + malloc_printf("Error in mallctlbymib()\n");
1.38 + abort();
1.39 + }
1.40 + }
1.41 +
1.42 + r = allocm(&p, &rsz, 1, ALLOCM_ARENA(arena_ind));
1.43 + if (r != ALLOCM_SUCCESS) {
1.44 + malloc_printf("Unexpected allocm() error\n");
1.45 + abort();
1.46 + }
1.47 +
1.48 + return (NULL);
1.49 +}
1.50 +
1.51 +int
1.52 +main(void)
1.53 +{
1.54 + je_thread_t threads[NTHREADS];
1.55 + unsigned i;
1.56 +
1.57 + malloc_printf("Test begin\n");
1.58 +
1.59 + for (i = 0; i < NTHREADS; i++) {
1.60 + je_thread_create(&threads[i], je_thread_start,
1.61 + (void *)(uintptr_t)i);
1.62 + }
1.63 +
1.64 + for (i = 0; i < NTHREADS; i++)
1.65 + je_thread_join(threads[i], NULL);
1.66 +
1.67 + malloc_printf("Test end\n");
1.68 + return (0);
1.69 +}
