direct/test-framework/timothy_tests/threading/threading.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2018 Aleph One Ltd.
   5  *
   6  * Created by Timothy Manning <timothy@yaffs.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include "threading.h"
  14 int random_seed;
  15 int simulate_power_failure = 0;
  16
  17 const struct option long_options[]={
  18         {"help",        0,NULL,'h'},
  19         {"threads",     1,NULL,'t'}
  20 };
  21
  22 const char short_options[]="ht:";
  23
  24
  25
  26
  27 void main_init(int argc, char *argv[])
  28 {
  29         int new_option;
  30         int x=0;
  31         int new_num_of_threads=5;
  32         x=(unsigned)time(NULL);
  33         printf("seeding srand with: %d\n",x);
  34         srand(x);
  35         do{
  36                 new_option=getopt_long(argc,argv,short_options,long_options,NULL);
  37                 if (new_option=='h'){
  38                         printf("help\n");
  39                         printf("-h will print the commands available\n");
  40                         printf("-t [number] sets the number of threads\n");
  41                         exit(0);
  42                 } else if (new_option=='t') {
  43                         new_num_of_threads=atoi(optarg);
  44                 }
  45         }while (new_option!=-1);
  46         number_of_threads(new_num_of_threads);
  47         init_counter(new_num_of_threads);
  48
  49 }
  50
  51 int main(int argc, char *argv[])
  52 {
  53         main_init(argc,argv);
  54         pthread_t threads[get_num_of_threads()];
  55         unsigned int x=0;
  56         int output=0;
  57         int y=0;
  58
  59         for (x=0;x<get_num_of_threads();x++)
  60         {
  61
  62                 output = pthread_create(&threads[x], NULL,thread_function, (void *)x );
  63                 if (output>0){
  64                         printf("failed to create thread %d. Error is %d\n",x,output);
  65                 }
  66
  67         }
  68         while (1){
  69                 y=0;
  70                 printf("thread counter: %d ",get_counter(y));
  71                 for (y=1;y<get_num_of_threads();y++){
  72                         printf("| %d ",get_counter(y));
  73                 }
  74                 printf("\n");
  75                 sleep(1);
  76         }
  77
  78 }
  79