server-skynet-source-3rd-je.../test/thread_arena.c

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#define JEMALLOC_MANGLE
#include "jemalloc_test.h"
#define NTHREADS 10
void *
je_thread_start(void *arg)
{
unsigned main_arena_ind = *(unsigned *)arg;
void *p;
unsigned arena_ind;
size_t size;
int err;
p = malloc(1);
if (p == NULL) {
malloc_printf("%s(): Error in malloc()\n", __func__);
return (void *)1;
}
size = sizeof(arena_ind);
if ((err = mallctl("thread.arena", &arena_ind, &size, &main_arena_ind,
sizeof(main_arena_ind)))) {
malloc_printf("%s(): Error in mallctl(): %s\n", __func__,
strerror(err));
return (void *)1;
}
size = sizeof(arena_ind);
if ((err = mallctl("thread.arena", &arena_ind, &size, NULL,
0))) {
malloc_printf("%s(): Error in mallctl(): %s\n", __func__,
strerror(err));
return (void *)1;
}
assert(arena_ind == main_arena_ind);
return (NULL);
}
int
main(void)
{
int ret = 0;
void *p;
unsigned arena_ind;
size_t size;
int err;
je_thread_t threads[NTHREADS];
unsigned i;
malloc_printf("Test begin\n");
p = malloc(1);
if (p == NULL) {
malloc_printf("%s(): Error in malloc()\n", __func__);
ret = 1;
goto label_return;
}
size = sizeof(arena_ind);
if ((err = mallctl("thread.arena", &arena_ind, &size, NULL, 0))) {
malloc_printf("%s(): Error in mallctl(): %s\n", __func__,
strerror(err));
ret = 1;
goto label_return;
}
for (i = 0; i < NTHREADS; i++) {
je_thread_create(&threads[i], je_thread_start,
(void *)&arena_ind);
}
for (i = 0; i < NTHREADS; i++)
je_thread_join(threads[i], (void *)&ret);
label_return:
malloc_printf("Test end\n");
return (ret);
}