/*
* persist_thread -- persist worker thread function
*/
static void *
persist_thread(void *arg)
{
struct thread_arg *args = arg;
size_t persist_size = args->size / args->nops;
UT_ASSERTeq(args->size % args->nops, 0);
for (int i = 0; i < args->nops; i++) {
size_t off = args->off + i * persist_size;
size_t left = args->size - i * persist_size;
size_t size = left < persist_size ?
left : persist_size;
int ret = rpmem_persist(args->rpp, off, size, args->lane);
UT_ASSERTeq(ret, 0);
}
return NULL;
}
int
main(int argc, char *argv[])
{
int ret;
unsigned nlanes = NLANES;
/* fill pool_attributes */
struct rpmem_pool_attr pool_attr;
memset(&pool_attr, 0, sizeof(pool_attr));
/* create a remote pool */
RPMEMpool *rpp = rpmem_create("localhost", "pool.set",
pool, POOL_SIZE, &nlanes, &pool_attr);
if (!rpp) {
fprintf(stderr, "rpmem_create: %s\n", rpmem_errormsg());
return 1;
}
/* store data on local pool */
memset(pool, 0, POOL_SIZE);
/* make local data persistent on remote node */
ret = rpmem_persist(rpp, 0, POOL_SIZE, 0);
if (ret) {
fprintf(stderr, "rpmem_persist: %s\n", rpmem_errormsg());
return 1;
}
/* close the remote pool */
ret = rpmem_close(rpp);
if (ret) {
fprintf(stderr, "rpmem_close: %s\n", rpmem_errormsg());
return 1;
}
return 0;
}
int
main(int argc, char *argv[])
{
int ret = 0;
if (argc < 4) {
fprintf(stderr, "usage: %s [create|open|remove]"
" <target> <pool_set> [options]\n", argv[0]);
return 1;
}
char *op = argv[1];
char *target = argv[2];
char *pool_set = argv[3];
unsigned nlanes = NLANES;
void *pool;
size_t align = sysconf(_SC_PAGESIZE);
errno = posix_memalign(&pool, align, POOL_SIZE);
if (errno) {
perror("posix_memalign");
return -1;
}
if (strcmp(op, "create") == 0) {
struct rpmem_pool_attr pool_attr;
default_attr(&pool_attr);
RPMEMpool *rpp = rpmem_create(target, pool_set,
pool, POOL_SIZE, &nlanes, &pool_attr);
if (!rpp) {
fprintf(stderr, "rpmem_create: %s\n",
rpmem_errormsg());
ret = 1;
goto end;
}
ret = rpmem_persist(rpp, 0, POOL_SIZE, 0);
if (ret)
fprintf(stderr, "rpmem_persist: %s\n",
rpmem_errormsg());
ret = rpmem_close(rpp);
if (ret)
fprintf(stderr, "rpmem_close: %s\n",
rpmem_errormsg());
} else if (strcmp(op, "open") == 0) {
struct rpmem_pool_attr def_attr;
default_attr(&def_attr);
struct rpmem_pool_attr pool_attr;
RPMEMpool *rpp = rpmem_open(target, pool_set,
pool, POOL_SIZE, &nlanes, &pool_attr);
if (!rpp) {
fprintf(stderr, "rpmem_open: %s\n",
rpmem_errormsg());
ret = 1;
goto end;
}
if (memcmp(&def_attr, &pool_attr, sizeof(def_attr))) {
fprintf(stderr, "remote pool not consistent\n");
}
ret = rpmem_persist(rpp, 0, POOL_SIZE, 0);
if (ret)
fprintf(stderr, "rpmem_persist: %s\n",
rpmem_errormsg());
ret = rpmem_close(rpp);
if (ret)
fprintf(stderr, "rpmem_close: %s\n",
rpmem_errormsg());
} else if (strcmp(op, "remove") == 0) {
ret = rpmem_remove(target, pool_set, 0);
if (ret)
fprintf(stderr, "removing pool failed: %s\n",
rpmem_errormsg());
} else {
fprintf(stderr, "unsupported operation -- '%s'\n", op);
ret = 1;
}
end:
free(pool);
return ret;
}
