binutils-gdb/gdb/testsuite/gdb.threads/break-while-running.c
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

101 lines
2 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2014-2017 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <assert.h>
#include <unistd.h>
#include <stdlib.h>
pthread_barrier_t barrier;
volatile int second_child;
void
breakpoint_function (void)
{
/* GDB sets a breakpoint in this function. */
}
void *
child_function_0 (void *arg)
{
volatile unsigned int counter = 1;
pthread_barrier_wait (&barrier);
while (counter > 0)
{
counter++;
usleep (1);
if (second_child)
continue;
breakpoint_function ();
}
pthread_exit (NULL);
}
void *
child_function_1 (void *arg)
{
volatile unsigned int counter = 1;
pthread_barrier_wait (&barrier);
while (counter > 0)
{
counter++;
usleep (1);
if (!second_child)
continue;
breakpoint_function ();
}
pthread_exit (NULL);
}
static int
wait_threads (void)
{
return 1; /* in wait_threads */
}
int
main (void)
{
pthread_t child_thread[2];
int res;
pthread_barrier_init (&barrier, NULL, 3);
res = pthread_create (&child_thread[0], NULL, child_function_0, NULL);
assert (res == 0);
res = pthread_create (&child_thread[1], NULL, child_function_1, NULL);
assert (res == 0);
pthread_barrier_wait (&barrier);
wait_threads (); /* set wait-thread breakpoint here */
pthread_join (child_thread[0], NULL);
pthread_join (child_thread[1], NULL);
exit (EXIT_SUCCESS);
}