binutils-gdb/gdb/testsuite/gdb.threads/staticthreads.c
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

82 lines
1.8 KiB
C

/* This test program is part of GDB, The GNU debugger.
Copyright 2004-2017 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;
#ifdef HAVE_TLS
__thread int tlsvar;
#endif
void *
thread_function (void *arg)
{
#ifdef HAVE_TLS
tlsvar = 2;
#endif
while (sem_wait (&semaphore) != 0)
{
if (errno != EINTR)
{
perror ("thread_function");
return NULL;
}
}
printf ("Thread executing\n"); /* tlsvar-is-set */
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;
}
#ifdef HAVE_TLS
tlsvar = 1;
#endif
/* 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;
}