71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* This test program is part of GDB, The GNU debugger.
|
|
|
|
Copyright 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
|
|
|
|
Originally written by Jeff Johnston <jjohnstn@redhat.com>,
|
|
contributed by Red Hat
|
|
|
|
This file is part of GDB.
|
|
|
|
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 <semaphore.h>
|
|
#include <stdio.h>
|
|
#include <limits.h>
|
|
#include <errno.h>
|
|
|
|
sem_t semaphore;
|
|
|
|
void *
|
|
thread_function (void *arg)
|
|
{
|
|
printf ("Thread executing\n");
|
|
while (sem_wait (&semaphore) != 0)
|
|
{
|
|
if (errno != EINTR)
|
|
{
|
|
perror ("thread_function");
|
|
return;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
pthread_attr_t attr;
|
|
|
|
pthread_attr_init (&attr);
|
|
pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
|
|
|
|
if (sem_init (&semaphore, 0, 0) == -1)
|
|
{
|
|
perror ("semaphore");
|
|
return -1;
|
|
}
|
|
|
|
|
|
/* Create a thread, wait for it to complete. */
|
|
{
|
|
pthread_t thread;
|
|
pthread_create (&thread, &attr, thread_function, NULL);
|
|
sem_post (&semaphore);
|
|
pthread_join (thread, NULL);
|
|
}
|
|
|
|
pthread_attr_destroy (&attr);
|
|
return 0;
|
|
}
|