server-skynet-source-3rd-je.../jemalloc/test/thread_arena.c
Jason Evans b267d0f86a Add the thread.arena mallctl.
Make it possible for each thread to manage which arena it is associated
with.

Implement the 'tests' and 'check' build targets.
2010-08-13 17:36:00 -07:00

70 lines
1.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <string.h>
#include "jemalloc/jemalloc.h"
void *
thread_start(void *arg)
{
unsigned main_arena_ind = *(unsigned *)arg;
unsigned arena_ind;
size_t size;
int err;
malloc(1);
size = sizeof(arena_ind);
if ((err = 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;
}
return (NULL);
}
int
main(void)
{
int ret = 0;
unsigned arena_ind;
size_t size;
int err;
pthread_t thread;
fprintf(stderr, "Test begin\n");
malloc(1);
size = sizeof(arena_ind);
if ((err = mallctl("thread.arena", &arena_ind, &size, NULL, 0))) {
fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
strerror(err));
ret = 1;
goto RETURN;
}
if (pthread_create(&thread, NULL, thread_start, (void *)&arena_ind)
!= 0) {
fprintf(stderr, "%s(): Error in pthread_create()\n", __func__);
ret = 1;
goto RETURN;
}
pthread_join(thread, (void *)&ret);
if (pthread_create(&thread, NULL, thread_start, (void *)&arena_ind)
!= 0) {
fprintf(stderr, "%s(): Error in pthread_create()\n", __func__);
ret = 1;
goto RETURN;
}
pthread_join(thread, (void *)&ret);
RETURN:
fprintf(stderr, "Test end\n");
return (ret);
}