mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2014-2018 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 <unistd.h>
|
|
#include <stdlib.h>
|
|
|
|
pthread_barrier_t barrier;
|
|
pthread_t child_thread;
|
|
|
|
volatile unsigned int counter = 1;
|
|
|
|
void *
|
|
child_function (void *arg)
|
|
{
|
|
pthread_barrier_wait (&barrier);
|
|
|
|
while (counter > 0)
|
|
{
|
|
counter++;
|
|
|
|
asm (" nop"); /* set breakpoint child here */
|
|
asm (" nop"); /* set breakpoint after step-over here */
|
|
usleep (1);
|
|
}
|
|
|
|
pthread_exit (NULL);
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
int res;
|
|
long i;
|
|
|
|
alarm (300);
|
|
|
|
pthread_barrier_init (&barrier, NULL, 2);
|
|
|
|
res = pthread_create (&child_thread, NULL, child_function, NULL);
|
|
pthread_barrier_wait (&barrier);
|
|
|
|
/* Use an infinite loop with no function calls so that "step" over
|
|
this line never finishes before the breakpoint in the other
|
|
thread triggers. That can happen if the step-over of thread 2 is
|
|
done with displaced stepping on a target that is always in
|
|
non-stop mode, as in that case GDB runs both threads
|
|
simultaneously. */
|
|
while (1); /* set wait-thread breakpoint here */
|
|
|
|
pthread_join (child_thread, NULL);
|
|
|
|
exit (EXIT_SUCCESS);
|
|
}
|