1 /* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <errno.h>
19 #include <error.h>
20 #include <pthread.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <unistd.h>
25
26 static void *
dummy(void * x)27 dummy (void *x)
28 {
29 return NULL;
30 }
31
32 static char buf[sizeof "something\n"];
33
34 static int
do_test(void)35 do_test (void)
36 {
37 FILE *f;
38 pthread_t p;
39 int err;
40
41 f = popen ("echo something", "r");
42 if (f == NULL)
43 error (EXIT_FAILURE, errno, "popen failed");
44 if (fgets (buf, sizeof (buf), f) == NULL)
45 error (EXIT_FAILURE, 0, "fgets failed");
46 if (strcmp (buf, "something\n"))
47 error (EXIT_FAILURE, 0, "read wrong data");
48 if (pclose (f))
49 error (EXIT_FAILURE, errno, "pclose returned non-zero");
50 if ((err = pthread_create (&p, NULL, dummy, NULL)))
51 error (EXIT_FAILURE, err, "pthread_create failed");
52 if ((err = pthread_join (p, NULL)))
53 error (EXIT_FAILURE, err, "pthread_join failed");
54 exit (0);
55 }
56
57 #define TEST_FUNCTION do_test ()
58 #include "../test-skeleton.c"
59