4b65e388eaefdb53b89258d75ccbc7fa50497213
[yaffs2.git] / direct / timothy_tests / threading / threading.c
1 /*
2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
3  *
4  * Copyright (C) 2002-2010 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
16 int random_seed;
17 int simulate_power_failure = 0;
18
19 const struct option long_options[]={
20         {"help",        0,NULL,'h'},
21         {"threads",     1,NULL,'t'}
22 };
23
24 const char short_options[]="ht:";
25
26
27
28
29 void main_init(int argc, char *argv[])
30 {
31         int new_option;
32         int x=0;
33         int new_num_of_threads=5;       
34         x=(unsigned)time(NULL);
35         printf("seeding srand with: %d\n",x);
36         srand(x);
37         do{
38                 new_option=getopt_long(argc,argv,short_options,long_options,NULL);              
39                 if (new_option=='h'){
40                         printf("help\n");
41                         printf("-h will print the commands available\n");
42                         printf("-t [number] sets the number of threads\n");
43                         exit(0);
44                 } else if (new_option=='t') {
45                         new_num_of_threads=atoi(optarg);
46                 }
47         }while (new_option!=-1);
48         number_of_threads(new_num_of_threads);
49         init_counter(new_num_of_threads);
50
51 }
52
53 int main(int argc, char *argv[])
54 {
55         main_init(argc,argv);
56         pthread_t threads[get_num_of_threads()];
57         unsigned int x=0;
58         int output=0;
59         int y=0;
60
61         for (x=0;x<get_num_of_threads();x++)
62         {
63                 
64                 output=pthread_create(&threads[x], NULL,thread_function, (void *)x );
65                 if (output>0){
66                         printf("failed to create thread %d. Error is %d\n",x,output);
67                 }
68                 
69         }
70         while (1){
71                 y=0;
72                 printf("thread counter: %d ",get_counter(y));
73                 for (y=1;y<get_num_of_threads();y++){
74                         printf("| %d ",get_counter(y));
75                 }
76                 printf("\n");
77         }
78
79 }
80