gnu/dist/gdb6/gdb/testsuite/gdb.threads/thread-specific.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <stdio.h>
  21 #include <unistd.h>
  22 #include <stdlib.h>
  23 #include <pthread.h>
  24
  25 void *thread_function(void *arg);
  26
  27 unsigned int args[1];
  28
  29 int main() {
  30     int res;
  31     pthread_t threads[2];
  32     void *thread_result;
  33     long i = 1;
  34
  35     args[0] = 1;
  36     res = pthread_create(&threads[0],
  37                          NULL,
  38                          thread_function,
  39                          (void *) 0);
  40
  41     /* thread-specific.exp: last thread start.  */
  42     args[1] = 1;
  43
  44     /* Don't run forever.  Run just short of it :)  */
  45     while (i > 0)
  46       {
  47         /* thread-specific.exp: main loop.  */
  48         (i) ++;
  49       }
  50
  51     exit(EXIT_SUCCESS);
  52 }
  53
  54 void *thread_function(void *arg) {
  55     int my_number =  (long) arg;
  56     int *myp = (int *) &args[my_number];
  57
  58     /* Don't run forever.  Run just short of it :)  */
  59     while (*myp > 0)
  60       {
  61         /* thread-specific.exp: thread loop.  */
  62         (*myp) ++;
  63       }
  64
  65     pthread_exit(NULL);
  66 }