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glibc  2.9
tst-popen1.c
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00001 /* Copyright (C) 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <error.h>
00022 #include <pthread.h>
00023 #include <stdio.h>
00024 #include <stdlib.h>
00025 #include <string.h>
00026 #include <unistd.h>
00027 
00028 static void *
00029 dummy (void *x)
00030 {
00031   return NULL;
00032 }
00033 
00034 static char buf[sizeof "something\n"];
00035 
00036 static int
00037 do_test (void)
00038 {
00039   FILE *f;
00040   pthread_t p;
00041   int err;
00042 
00043   f = popen ("echo something", "r");
00044   if (f == NULL)
00045     error (EXIT_FAILURE, errno, "popen failed");
00046   if (fgets (buf, sizeof (buf), f) == NULL)
00047     error (EXIT_FAILURE, 0, "fgets failed");
00048   if (strcmp (buf, "something\n"))
00049     error (EXIT_FAILURE, 0, "read wrong data");
00050   if (pclose (f))
00051     error (EXIT_FAILURE, errno, "pclose returned non-zero");
00052   if ((err = pthread_create (&p, NULL, dummy, NULL)))
00053     error (EXIT_FAILURE, err, "pthread_create failed");
00054   if ((err = pthread_join (p, NULL)))
00055     error (EXIT_FAILURE, err, "pthread_join failed");
00056   exit (0);
00057 }
00058 
00059 #define TEST_FUNCTION do_test ()
00060 #include "../test-skeleton.c"