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

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Timothy Manning <timothy@yaffs.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include "threading.h"
  15 int random_seed;
  16 int simulate_power_failure = 0;
  17
  18 const struct option long_options[]={
  19         {"help",        0,NULL,'h'},
  20         {"threads",     1,NULL,'t'}
  21 };
  22
  23 const char short_options[]="ht:";
  24
  25
  26
  27
  28 void main_init(int argc, char *argv[])
  29 {
  30         int new_option;
  31         int x=0;
  32         int new_num_of_threads=5;
  33         x=(unsigned)time(NULL);
  34         printf("seeding srand with: %d\n",x);
  35         srand(x);
  36         do{
  37                 new_option=getopt_long(argc,argv,short_options,long_options,NULL);
  38                 if (new_option=='h'){
  39                         printf("help\n");
  40                         printf("-h will print the commands available\n");
  41                         printf("-t [number] sets the number of threads\n");
  42                         exit(0);
  43                 } else if (new_option=='t') {
  44                         new_num_of_threads=atoi(optarg);
  45                 }
  46         }while (new_option!=-1);
  47         number_of_threads(new_num_of_threads);
  48         init_counter(new_num_of_threads);
  49
  50 }
  51
  52 int main(int argc, char *argv[])
  53 {
  54         main_init(argc,argv);
  55         pthread_t threads[get_num_of_threads()];
  56         unsigned int x=0;
  57         int output=0;
  58         int y=0;
  59
  60         for (x=0;x<get_num_of_threads();x++)
  61         {
  62
  63                 output = pthread_create(&threads[x], NULL,thread_function, (void *)x );
  64                 if (output>0){
  65                         printf("failed to create thread %d. Error is %d\n",x,output);
  66                 }
  67
  68         }
  69         while (1){
  70                 y=0;
  71                 printf("thread counter: %d ",get_counter(y));
  72                 for (y=1;y<get_num_of_threads();y++){
  73                         printf("| %d ",get_counter(y));
  74                 }
  75                 printf("\n");
  76                 sleep(1);
  77         }
  78
  79 }
  80