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#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <string.h>
#include <assert.h>
#define JEMALLOC_MANGLE
#include "jemalloc_test.h"
#define NTHREADS 10
void *
thread_start(void *arg)
{
unsigned main_arena_ind = *(unsigned *)arg;
void *p;
unsigned arena_ind;
size_t size;
int err;
p = JEMALLOC_P(malloc)(1);
if (p == NULL) {
fprintf(stderr, "%s(): Error in malloc()\n", __func__);
return (void *)1;
}
size = sizeof(arena_ind);
if ((err = JEMALLOC_P(mallctl)("thread.arena", &arena_ind, &size,
&main_arena_ind, sizeof(main_arena_ind)))) {
fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
strerror(err));
return (void *)1;
}
size = sizeof(arena_ind);
if ((err = JEMALLOC_P(mallctl)("thread.arena", &arena_ind, &size, NULL,
0))) {
fprintf(stderr, "%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;
pthread_t threads[NTHREADS];
unsigned i;
fprintf(stderr, "Test begin\n");
p = JEMALLOC_P(malloc)(1);
if (p == NULL) {
fprintf(stderr, "%s(): Error in malloc()\n", __func__);
ret = 1;
goto RETURN;
}
size = sizeof(arena_ind);
if ((err = JEMALLOC_P(mallctl)("thread.arena", &arena_ind, &size, NULL,
0))) {
fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
strerror(err));
ret = 1;
goto RETURN;
}
for (i = 0; i < NTHREADS; i++) {
if (pthread_create(&threads[i], NULL, thread_start,
(void *)&arena_ind) != 0) {
fprintf(stderr, "%s(): Error in pthread_create()\n",
__func__);
ret = 1;
goto RETURN;
}
}
for (i = 0; i < NTHREADS; i++)
pthread_join(threads[i], (void *)&ret);
RETURN:
fprintf(stderr, "Test end\n");
return (ret);
}
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