xref: /relibc/pthreads-emb/tests/join1.c (revision 714af18cbe52336f4ff71fe91bfb035d5efaef7d)
1 /*
2  * Test for pthread_join().
3  *
4  *
5  * --------------------------------------------------------------------------
6  *
7  *      Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
8  *      Copyright(C) 2008 Jason Schmidlapp
9  *
10  *      Contact Email: jschmidlapp@users.sourceforge.net
11  *
12  *
13  *      Based upon Pthreads-win32 - POSIX Threads Library for Win32
14  *      Copyright(C) 1998 John E. Bossom
15  *      Copyright(C) 1999,2005 Pthreads-win32 contributors
16  *
17  *      Contact Email: rpj@callisto.canberra.edu.au
18  *
19  *      The original list of contributors to the Pthreads-win32 project
20  *      is contained in the file CONTRIBUTORS.ptw32 included with the
21  *      source code distribution. The list can also be seen at the
22  *      following World Wide Web location:
23  *      http://sources.redhat.com/pthreads-win32/contributors.html
24  *
25  *      This library is free software; you can redistribute it and/or
26  *      modify it under the terms of the GNU Lesser General Public
27  *      License as published by the Free Software Foundation; either
28  *      version 2 of the License, or (at your option) any later version.
29  *
30  *      This library is distributed in the hope that it will be useful,
31  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
32  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
33  *      Lesser General Public License for more details.
34  *
35  *      You should have received a copy of the GNU Lesser General Public
36  *      License along with this library in the file COPYING.LIB;
37  *      if not, write to the Free Software Foundation, Inc.,
38  *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
39  *
40  * --------------------------------------------------------------------------
41  *
42  * Depends on API functions: pthread_create(), pthread_join(), pthread_exit().
43  */
44 
45 #include "test.h"
46 
47 static void *
48 func(void * arg)
49 {
50   int i = (int) arg;
51 
52   pte_osThreadSleep(i * 100);
53 
54   pthread_exit(arg);
55 
56   /* Never reached. */
57   return 0;
58 }
59 
60 int pthread_test_join1()
61 {
62   pthread_t id[4];
63   int i;
64   int result;
65 
66   /* Create a few threads and then exit. */
67   for (i = 0; i < 4; i++)
68     {
69       assert(pthread_create(&id[i], NULL, func, (void *) i) == 0);
70     }
71 
72   /* Some threads will finish before they are joined, some after. */
73   pte_osThreadSleep(20 * 100 + 50);
74 
75   for (i = 0; i < 4; i++)
76     {
77       assert(pthread_join(id[i], (void **) &result) == 0);
78       assert(result == i);
79     }
80 
81   /* Success. */
82   return 0;
83 }
84