gdb/testsuite/gdb.threads/thread-specific.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004-2024 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 3 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, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdio.h>
  19 #include <unistd.h>
  20 #include <stdlib.h>
  21 #include <pthread.h>
  22
  23 void *thread_function(void *arg);
  24
  25 unsigned int args[1];
  26
  27 int main() {
  28     int res;
  29     pthread_t threads[2];
  30     void *thread_result;
  31     long i = 1;
  32
  33     args[0] = 1;
  34     res = pthread_create(&threads[0],
  35                          NULL,
  36                          thread_function,
  37                          (void *) 0);
  38
  39     /* thread-specific.exp: last thread start.  */
  40     args[1] = 1;
  41
  42     /* Don't run forever.  Run just short of it :)  */
  43     while (i > 0)
  44       {
  45         /* thread-specific.exp: main loop.  */
  46         (i) ++;
  47       }
  48
  49     exit(EXIT_SUCCESS);
  50 }
  51
  52 void *thread_function(void *arg) {
  53     int my_number =  (long) arg;
  54     int *myp = (int *) &args[my_number];
  55
  56     /* Don't run forever.  Run just short of it :)  */
  57     while (*myp > 0)
  58       {
  59         /* thread-specific.exp: thread loop.  */
  60         (*myp) ++;
  61       }
  62
  63     pthread_exit(NULL);
  64 }