/* This testcase is part of GDB, the GNU debugger.
|
/* This testcase is part of GDB, the GNU debugger.
|
|
|
Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
|
Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
This file is copied from schedlock.c. */
|
This file is copied from schedlock.c. */
|
|
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <unistd.h>
|
#include <unistd.h>
|
#include <stdlib.h>
|
#include <stdlib.h>
|
#include <pthread.h>
|
#include <pthread.h>
|
|
|
void *thread_function(void *arg); /* Pointer to function executed by each thread */
|
void *thread_function(void *arg); /* Pointer to function executed by each thread */
|
|
|
#define NUM 5
|
#define NUM 5
|
|
|
unsigned int args[NUM+1];
|
unsigned int args[NUM+1];
|
|
|
int main() {
|
int main() {
|
int res;
|
int res;
|
int all_started;
|
int all_started;
|
pthread_t threads[NUM];
|
pthread_t threads[NUM];
|
void *thread_result;
|
void *thread_result;
|
long i;
|
long i;
|
|
|
for (i = 0; i < NUM; i++)
|
for (i = 0; i < NUM; i++)
|
{
|
{
|
args[i] = 1; /* Init value. */
|
args[i] = 1; /* Init value. */
|
res = pthread_create(&threads[i],
|
res = pthread_create(&threads[i],
|
NULL,
|
NULL,
|
thread_function,
|
thread_function,
|
(void *) i);
|
(void *) i);
|
}
|
}
|
|
|
all_started = 0;
|
all_started = 0;
|
while (!all_started)
|
while (!all_started)
|
{
|
{
|
all_started = 1;
|
all_started = 1;
|
for (i = 0; i < NUM; i++)
|
for (i = 0; i < NUM; i++)
|
{
|
{
|
if (args[i] == 1)
|
if (args[i] == 1)
|
{
|
{
|
all_started = 0;
|
all_started = 0;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
args[i] = 1;
|
args[i] = 1;
|
/* Break here */
|
/* Break here */
|
thread_function ((void *) i);
|
thread_function ((void *) i);
|
|
|
exit(EXIT_SUCCESS);
|
exit(EXIT_SUCCESS);
|
}
|
}
|
|
|
void *thread_function(void *arg) {
|
void *thread_function(void *arg) {
|
int my_number = (long) arg;
|
int my_number = (long) arg;
|
int *myp = (int *) &args[my_number];
|
int *myp = (int *) &args[my_number];
|
|
|
/* Don't run forever. Run just short of it :) */
|
/* Don't run forever. Run just short of it :) */
|
while (*myp > 0)
|
while (*myp > 0)
|
{
|
{
|
(*myp) ++; /* Loop increment. */
|
(*myp) ++; /* Loop increment. */
|
}
|
}
|
|
|
pthread_exit(NULL);
|
pthread_exit(NULL);
|
}
|
}
|
|
|
|
|
