1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 This file is based on schedlock.c. */
28 volatile int done
= 0;
31 thread_function (void *arg
)
33 int my_number
= (long) arg
;
34 volatile int *myp
= (volatile int *) &args
[my_number
];
36 /* Don't run forever. Run just short of it :) */
37 while (*myp
> 0 && !done
)
39 (*myp
)++; /* set breakpoint here */
43 usleep (100); /* Some time to make sure we don't mask any bad
50 main (int argc
, char **argv
)
57 threads
= malloc (THREADS
* sizeof (pthread_t
));
58 args
= malloc (THREADS
* sizeof (unsigned int));
60 for (i
= 0; i
< THREADS
; i
++)
62 args
[i
] = 1; /* Init value. */
63 res
= pthread_create (&threads
[i
],
69 for (i
= 0; i
< THREADS
; i
++)
70 pthread_join (threads
[i
], &thread_result
);
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