mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2015-2018 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 <assert.h>
|
|
#include <pthread.h>
|
|
#include <unistd.h>
|
|
|
|
/* Number of threads. Each thread continuously steps over a
|
|
breakpoint. */
|
|
#define NTHREADS 10
|
|
|
|
pthread_t threads[NTHREADS];
|
|
|
|
pthread_barrier_t barrier;
|
|
|
|
/* Used to create a conditional breakpoint that always fails. */
|
|
volatile int zero;
|
|
|
|
static void *
|
|
thread_func (void *arg)
|
|
{
|
|
pthread_barrier_wait (&barrier);
|
|
|
|
while (1)
|
|
{
|
|
usleep (1); /* set break here */
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
int ret;
|
|
int i;
|
|
|
|
/* Don't run forever. */
|
|
alarm (180);
|
|
|
|
pthread_barrier_init (&barrier, NULL, NTHREADS + 1);
|
|
|
|
/* Start the threads that constantly hits a conditional breakpoint
|
|
that needs to be stepped over. */
|
|
for (i = 0; i < NTHREADS; i++)
|
|
{
|
|
ret = pthread_create (&threads[i], NULL, thread_func, NULL);
|
|
assert (ret == 0);
|
|
}
|
|
|
|
/* Wait until all threads are up and running. */
|
|
pthread_barrier_wait (&barrier);
|
|
|
|
/* Let them start hitting the breakpoint. */
|
|
usleep (100);
|
|
|
|
/* Exit abruptly. */
|
|
return 0;
|
|
}
|