Chengchang Tang 10aa375704 examples: add eal cleanup to examples
According to the programming guide, the rte_eal_init should be used pairs
with rte_eal_cleanup.

This patch add rte_eal_cleanup to examples to encourage new users of
DPDK to use it.

Fixes: aec9c13c5257 ("eal: add function to release internal resources")
Fixes: 3d0fad56b74a ("examples/fips_validation: add crypto FIPS application")
Fixes: c8e6ceecebc1 ("examples/ioat: add new sample app for ioat driver")
Fixes: 4ff457986f76 ("examples/l2fwd-event: add default poll mode routines")
Fixes: 08bd1a174461 ("examples/l3fwd-graph: add graph-based l3fwd skeleton")
Fixes: c5eebf85badc ("examples/ntb: add example for NTB")
Fixes: b77f66002812 ("examples/pipeline: add new example application")
Fixes: edbed86d1cc3 ("examples/vdpa: introduce a new sample for vDPA")
Fixes: c19beb3f38cd ("examples/vhost_blk: introduce vhost storage sample")
Fixes: f5188211c721 ("examples/vhost_crypto: add sample application")
Cc: stable@dpdk.org

Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
2021-04-21 20:21:25 +02:00

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C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <sys/queue.h>
#include <rte_memory.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_debug.h>
static int
lcore_hello(__rte_unused void *arg)
{
unsigned lcore_id;
lcore_id = rte_lcore_id();
printf("hello from core %u\n", lcore_id);
return 0;
}
int
main(int argc, char **argv)
{
int ret;
unsigned lcore_id;
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_panic("Cannot init EAL\n");
/* call lcore_hello() on every worker lcore */
RTE_LCORE_FOREACH_WORKER(lcore_id) {
rte_eal_remote_launch(lcore_hello, NULL, lcore_id);
}
/* call it on main lcore too */
lcore_hello(NULL);
rte_eal_mp_wait_lcore();
/* clean up the EAL */
rte_eal_cleanup();
return 0;
}