1/* Copyright (C) 2003-2024 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
26static void *
27dummy (void *x)
28{
29 return NULL;
30}
31
32static char buf[sizeof "something\n"];
33
34static int
35do_test (void)
36{
37 FILE *f;
38 pthread_t p;
39 int err;
40
41 f = popen (command: "echo something", modes: "r");
42 if (f == NULL)
43 error (EXIT_FAILURE, errno, format: "popen failed");
44 if (fgets (s: buf, n: sizeof (buf), stream: f) == NULL)
45 error (EXIT_FAILURE, errnum: 0, format: "fgets failed");
46 if (strcmp (buf, "something\n"))
47 error (EXIT_FAILURE, errnum: 0, format: "read wrong data");
48 if (pclose (stream: f))
49 error (EXIT_FAILURE, errno, format: "pclose returned non-zero");
50 if ((err = pthread_create (newthread: &p, NULL, start_routine: dummy, NULL)))
51 error (EXIT_FAILURE, errnum: err, format: "pthread_create failed");
52 if ((err = pthread_join (th: p, NULL)))
53 error (EXIT_FAILURE, errnum: err, format: "pthread_join failed");
54 exit (0);
55}
56
57#define TEST_FUNCTION do_test ()
58#include "../test-skeleton.c"
59

source code of glibc/sysdeps/pthread/tst-pt-popen1.c