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RIOT/tests/pthread/main.c 1.19 KB
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  /*
   * Copyright (C) 2014 Freie Universitรคt Berlin
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup tests
   * @{
   *
   * @file
   * @brief pthread test application
   *
   * @author Christian Mehlis <mehlis@inf.fu-berlin.de>
   *
   * @}
   */
  
  #include <stdio.h>
  #include <inttypes.h>
  
  #include "pthread.h"
  
  void *run(void *parameter) {
      size_t n = (size_t) parameter;
      size_t factorial = 1;
  
      printf("pthread: parameter = %u\n", (unsigned int) n);
  
      if (n > 0) {
          for (size_t i = 1; i <= n; i++) {
              factorial *= i;
          }
      }
  
      printf("pthread: factorial = %u\n", (unsigned int) factorial);
      pthread_exit((void *)factorial);
  
      return NULL;
  }
  
  int main(void) {
      pthread_t th_id;
      pthread_attr_t th_attr;
  
      size_t arg = 6;
      printf("main parameter = %u\n", (unsigned int) arg);
  
      pthread_attr_init(&th_attr);
      pthread_create(&th_id, &th_attr, run, (void *) arg);
      size_t res;
      pthread_join(th_id, (void **) &res);
      printf("main: factorial = %u\n", (unsigned int) res);
      puts("main: finished");
      return 0;
  }