summary refs log blame commit diff
path: root/linuxthreads/tst-popen.c
blob: f76a6e79e5389cbd005c6e759b6051384b866b82 (plain) (tree)



































                                                            
#include <errno.h>
#include <error.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

static void *
dummy (void *x)
{
  return NULL;
}

static char buf[sizeof "something\n"];

static int
do_test (void)
{
  FILE *f;
  pthread_t p;

  pthread_create (&p, NULL, dummy, NULL);
  f = popen ("echo something", "r");
  if (f == NULL)
    error (EXIT_FAILURE, errno, "popen failed");
  if (fgets (buf, sizeof (buf), f) == NULL)
    error (EXIT_FAILURE, 0, "fgets failed");
  if (strcmp (buf, "something\n"))
    error (EXIT_FAILURE, 0, "read wrong data");
  if (pclose (f))
    error (EXIT_FAILURE, errno, "pclose returned non-zero");
  exit (0);
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"