/* This testcase is part of GDB, the GNU debugger.
Copyright 2021-2024 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 . */
#include
#include
#include
#include
#include
/* Set this to non-zero from GDB to start a third worker thread. */
volatile int start_third_thread = 0;
void *
thread_worker_2 (void *arg)
{
int i;
printf ("Hello from the third thread.\n");
fflush (stdout);
for (i = 0; i < 300; ++i)
sleep (1);
return NULL;
}
void *
thread_worker_1 (void *arg)
{
int i;
pthread_t thr;
void *val;
if (start_third_thread)
pthread_create (&thr, NULL, thread_worker_2, NULL);
printf ("Hello from the first thread.\n");
fflush (stdout);
for (i = 0; i < 300; ++i)
sleep (1);
if (start_third_thread)
pthread_join (thr, &val);
return NULL;
}
void *
thread_idle_loop (void *arg)
{
int i;
for (i = 0; i < 300; ++i)
sleep (1);
return NULL;
}
int
main ()
{
pthread_t thr, thr_idle;
void *val;
if (getenv ("MAKE_EXTRA_THREAD") != NULL)
pthread_create (&thr_idle, NULL, thread_idle_loop, NULL);
pthread_create (&thr, NULL, thread_worker_1, NULL);
pthread_join (thr, &val);
if (getenv ("MAKE_EXTRA_THREAD") != NULL)
pthread_join (thr_idle, &val);
return 0;
}