tests/unit/get_cpu_mask_from_sysfs.c

   1 /*
   2  * SPDX-License-Identifier: GPL-2.0-or-later
   3  *
   4  * Copyright (C) 2022 Michael Jeanson <mjeanson@efficios.com>
   5  */
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 #ifdef __linux__
  11
  12 #include "compat-smp.h"
  13
  14 int main(int argc, char *argv[])
  15 {
  16         int ret;
  17         char buf[URCU_CPUMASK_SIZE];
  18
  19         if( argc < 2 ) {
  20                 fprintf(stderr, "Missing argument.\n");
  21                 return EXIT_FAILURE;
  22         }
  23
  24         ret = get_cpu_mask_from_sysfs((char *) &buf, URCU_CPUMASK_SIZE, argv[1]);
  25
  26         printf("%s", buf);
  27
  28         if (ret >= 0)
  29                 return EXIT_SUCCESS;
  30         else
  31                 return EXIT_FAILURE;
  32 }
  33
  34 #else
  35
  36 int main(void)
  37 {
  38         return EXIT_SUCCESS;
  39 }
  40 #endif