1 /* Copyright (C) 2004-2013 Free Software Foundation, Inc.
2 
3    This program is free software; you can redistribute it and/or modify
4    it under the terms of the GNU General Public License as published by
5    the Free Software Foundation; either version 3 of the License, or
6    (at your option) any later version.
7 
8    This program is distributed in the hope that it will be useful,
9    but WITHOUT ANY WARRANTY; without even the implied warranty of
10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11    GNU General Public License for more details.
12 
13    You should have received a copy of the GNU General Public License
14    along with this program.  If not, see <http://www.gnu.org/licenses/>.
15 
16    This file was written by Steve Munroe (sjmunroe@us.ibm.com). */
17 
18 /* Test break points and single step on thread functions.  */
19 
20 #include <string.h>
21 #include <unistd.h>
22 #include <pthread.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25 #include <errno.h>
26 
27 #define N       2
28 
29 static void *
tf(void * arg)30 tf (void *arg)
31 {
32     int n = (int) (long int) arg;
33     char number[160];
34     int unslept = 10;
35 
36     sprintf(number, "tf(%ld): begin", (long)arg);
37     puts (number);
38 
39     while (unslept > 0)
40         unslept = sleep(unslept);
41 
42     sprintf(number, "tf(%ld): end", (long)arg);
43     puts (number);
44     return NULL;
45 }
46 
main(int argc,char * argv[])47 int main (int argc, char *argv[])
48 {
49     int n;
50     int unslept = 2;
51     pthread_t th[N];
52 
53     for (n = 0; n < N; ++n)
54     if (pthread_create (&th[n], NULL, tf, (void *) (long int) n) != 0)
55     {
56         while (unslept > 0)
57            unslept = sleep(2);
58         puts ("create failed");
59         exit (1);
60     }
61 
62     puts("after create");
63 
64     for (n = 0; n < N; ++n)
65     if (pthread_join (th[n], NULL) != 0)
66     {
67         puts ("join failed");
68         exit (1);
69     }
70 
71     puts("after join");
72     return 0;
73 }
74