gdb/testsuite/gdb.threads/thread_check.c

   1 /*
   2 * Copyright (C) 2004, 2007 Free Software Foundation, Inc.
   3
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, write to the Free Software
  16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 * This file was written by Steve Munroe. (sjmunroe@us.ibm.com)
  19 * Test break points and single step on thread functions.
  20 */
  21
  22 #include <string.h>
  23 #include <unistd.h>
  24 #include <pthread.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <errno.h>
  28
  29 #define N       2
  30
  31 static void *
  32 tf (void *arg)
  33 {
  34     int n = (int) (long int) arg;
  35     char number[160];
  36     int unslept = 10;
  37
  38     sprintf(number, "tf(%ld): begin", (long)arg);
  39     puts (number);
  40
  41     while (unslept > 0)
  42         unslept = sleep(unslept);
  43
  44     sprintf(number, "tf(%ld): end", (long)arg);
  45     puts (number);
  46     return NULL;
  47 }
  48
  49 int main (int argc, char *argv[])
  50 {
  51     int n;
  52     int unslept = 2;
  53     pthread_t th[N];
  54
  55     for (n = 0; n < N; ++n)
  56     if (pthread_create (&th[n], NULL, tf, (void *) (long int) n) != 0)
  57     {
  58         while (unslept > 0)
  59            unslept = sleep(2);
  60         puts ("create failed");
  61         exit (1);
  62     }
  63
  64     puts("after create");
  65
  66     for (n = 0; n < N; ++n)
  67     if (pthread_join (th[n], NULL) != 0)
  68     {
  69         puts ("join failed");
  70         exit (1);
  71     }
  72
  73     puts("after join");
  74     return 0;
  75 }