1*11efff7fSkettenis /* This test program is part of GDB, The GNU debugger.
2*11efff7fSkettenis
3*11efff7fSkettenis Copyright 2004 Free Software Foundation, Inc.
4*11efff7fSkettenis
5*11efff7fSkettenis Originally written by Jeff Johnston <jjohnstn@redhat.com>,
6*11efff7fSkettenis contributed by Red Hat
7*11efff7fSkettenis
8*11efff7fSkettenis This file is part of GDB.
9*11efff7fSkettenis
10*11efff7fSkettenis This program is free software; you can redistribute it and/or modify
11*11efff7fSkettenis it under the terms of the GNU General Public License as published by
12*11efff7fSkettenis the Free Software Foundation; either version 2 of the License, or
13*11efff7fSkettenis (at your option) any later version.
14*11efff7fSkettenis
15*11efff7fSkettenis This program is distributed in the hope that it will be useful,
16*11efff7fSkettenis but WITHOUT ANY WARRANTY; without even the implied warranty of
17*11efff7fSkettenis MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18*11efff7fSkettenis GNU General Public License for more details.
19*11efff7fSkettenis
20*11efff7fSkettenis You should have received a copy of the GNU General Public License
21*11efff7fSkettenis along with this program; if not, write to the Free Software
22*11efff7fSkettenis Foundation, Inc., 59 Temple Place - Suite 330,
23*11efff7fSkettenis Boston, MA 02111-1307, USA. */
24*11efff7fSkettenis
25*11efff7fSkettenis #include <pthread.h>
26*11efff7fSkettenis #include <semaphore.h>
27*11efff7fSkettenis #include <stdio.h>
28*11efff7fSkettenis #include <limits.h>
29*11efff7fSkettenis #include <errno.h>
30*11efff7fSkettenis
31*11efff7fSkettenis sem_t semaphore;
32*11efff7fSkettenis
33*11efff7fSkettenis void *
thread_function(void * arg)34*11efff7fSkettenis thread_function (void *arg)
35*11efff7fSkettenis {
36*11efff7fSkettenis printf ("Thread executing\n");
37*11efff7fSkettenis while (sem_wait (&semaphore) != 0)
38*11efff7fSkettenis {
39*11efff7fSkettenis if (errno != EINTR)
40*11efff7fSkettenis {
41*11efff7fSkettenis perror ("thread_function");
42*11efff7fSkettenis return;
43*11efff7fSkettenis }
44*11efff7fSkettenis }
45*11efff7fSkettenis return NULL;
46*11efff7fSkettenis }
47*11efff7fSkettenis
48*11efff7fSkettenis int
main(int argc,char ** argv)49*11efff7fSkettenis main (int argc, char **argv)
50*11efff7fSkettenis {
51*11efff7fSkettenis pthread_attr_t attr;
52*11efff7fSkettenis
53*11efff7fSkettenis pthread_attr_init (&attr);
54*11efff7fSkettenis pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
55*11efff7fSkettenis
56*11efff7fSkettenis if (sem_init (&semaphore, 0, 0) == -1)
57*11efff7fSkettenis {
58*11efff7fSkettenis perror ("semaphore");
59*11efff7fSkettenis return -1;
60*11efff7fSkettenis }
61*11efff7fSkettenis
62*11efff7fSkettenis
63*11efff7fSkettenis /* Create a thread, wait for it to complete. */
64*11efff7fSkettenis {
65*11efff7fSkettenis pthread_t thread;
66*11efff7fSkettenis pthread_create (&thread, &attr, thread_function, NULL);
67*11efff7fSkettenis sem_post (&semaphore);
68*11efff7fSkettenis pthread_join (thread, NULL);
69*11efff7fSkettenis }
70*11efff7fSkettenis
71*11efff7fSkettenis pthread_attr_destroy (&attr);
72*11efff7fSkettenis return 0;
73*11efff7fSkettenis }
74