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[glibc/history.git] / nptl / tst-popen1.c
bloba9d07737186fadd5e0b3b1ac0d1478e5928f116b
1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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 <errno.h>
21 #include <error.h>
22 #include <pthread.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
28 static void *
29 dummy (void *x)
31 return NULL;
34 static char buf[sizeof "something\n"];
36 static int
37 do_test (void)
39 FILE *f;
40 pthread_t p;
41 int err;
43 f = popen ("echo something", "r");
44 if (f == NULL)
45 error (EXIT_FAILURE, errno, "popen failed");
46 if (fgets (buf, sizeof (buf), f) == NULL)
47 error (EXIT_FAILURE, 0, "fgets failed");
48 if (strcmp (buf, "something\n"))
49 error (EXIT_FAILURE, 0, "read wrong data");
50 if (pclose (f))
51 error (EXIT_FAILURE, errno, "pclose returned non-zero");
52 if ((err = pthread_create (&p, NULL, dummy, NULL)))
53 error (EXIT_FAILURE, err, "pthread_create failed");
54 if ((err = pthread_join (p, NULL)))
55 error (EXIT_FAILURE, err, "pthread_join failed");
56 exit (0);
59 #define TEST_FUNCTION do_test ()
60 #include "../test-skeleton.c"