Optimize for kernels which are known to have the vfork syscall.
[glibc/pb-stable.git] / nptl / tst-basic1.c
blob36ae767db04d617d33e5f5ec65cf1f71ec241e51
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <pthread.h>
21 #include <stdio.h>
22 #include <unistd.h>
25 static void *tf (void *a)
27 return a;
31 int
32 do_test (void)
34 #define N 2
35 pthread_t t[N];
36 int i;
38 for (i = 0; i < N; ++i)
39 if (pthread_create (&t[i], NULL, tf, (void *) (i + 1)) != 0)
41 write (2, "create failed\n", 14);
42 _exit (1);
44 else
45 printf ("created thread %d\n", i);
47 for (i = 0; i < N; ++i)
49 void *r;
50 int e;
51 if ((e = pthread_join (t[i], &r)) != 0)
53 printf ("join failed: %d\n", e);
54 _exit (1);
56 else if (r != (void *) (i + 1))
58 write (2, "result wrong\n", 13);
59 _exit (1);
61 else
62 printf ("joined thread %d\n", i);
65 return 0;
69 #define TEST_FUNCTION do_test ()
70 #include "../test-skeleton.c"