Line data    Source code

       1              : /* SPDX-License-Identifier: BSD-3-Clause
       2              :  * Copyright(c) 2010-2014 Intel Corporation
       3              :  */
       4              : 
       5              : #include <stdio.h>
       6              : #include <string.h>
       7              : #include <stdint.h>
       8              : #include <errno.h>
       9              : #include <sys/queue.h>
      10              : 
      11              : #include <rte_memory.h>
      12              : #include <rte_launch.h>
      13              : #include <rte_eal.h>
      14              : #include <rte_per_lcore.h>
      15              : #include <rte_lcore.h>
      16              : #include <rte_debug.h>
      17              : 
      18              : /* Launch a function on lcore. 8< */
      19              : static int
      20            0 : lcore_hello(__rte_unused void *arg)
      21              : {
      22            0 :   unsigned lcore_id;
      23            0 :   lcore_id = rte_lcore_id();
      24            0 :   printf("hello from core %u\n", lcore_id);
      25            0 :   return 0;
      26              : }
      27              : /* >8 End of launching function on lcore. */
      28              : 
      29              : /* Initialization of Environment Abstraction Layer (EAL). 8< */
      30              : int
      31            0 : main(int argc, char **argv)
      32              : {
      33            0 :   int ret;
      34            0 :   unsigned lcore_id;
      35              : 
      36            0 :   ret = rte_eal_init(argc, argv);
      37            0 :   if (ret < 0)
      38            0 :     rte_panic("Cannot init EAL\n");
      39              :   /* >8 End of initialization of Environment Abstraction Layer */
      40              : 
      41              :   /* Launches the function on each lcore. 8< */
      42            0 :   RTE_LCORE_FOREACH_WORKER(lcore_id) {
      43              :     /* Simpler equivalent. 8< */
      44            0 :     rte_eal_remote_launch(lcore_hello, NULL, lcore_id);
      45              :     /* >8 End of simpler equivalent. */
      46              :   }
      47              : 
      48              :   /* call it on main lcore too */
      49            0 :   lcore_hello(NULL);
      50              :   /* >8 End of launching the function on each lcore. */
      51              : 
      52            0 :   rte_eal_mp_wait_lcore();
      53              : 
      54              :   /* clean up the EAL */
      55            0 :   rte_eal_cleanup();
      56              : 
      57            0 :   return 0;
      58              : }