Subversion Repositories scarts

// { dg-require-fork "" }

// { dg-require-mkfifo "" }

// Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 2, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 27.8.1.3 filebuf member functions

// @require@ %-*.tst %-*.txt

// @diff@ %-*.tst %-*.txt

// various tests for filebuf::open() and filebuf::close() including

// the non-portable functionality in the libstdc++-v3 IO library

#include <fstream>

#include <unistd.h>

#include <signal.h>

#include <fcntl.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <testsuite_hooks.h>

// libstdc++/9964

void test_07()

{

  using namespace std;

  using namespace __gnu_test;

  bool test __attribute__((unused)) = true;

  semaphore s1, s2;

  const char* name = "tmp_fifo3";

  signal(SIGPIPE, SIG_IGN);

  unlink(name);

  mkfifo(name, S_IRWXU);

  int child = fork();

  VERIFY( child != -1 );

  if (child == 0)

    {

      filebuf fbin;

      fbin.open(name, ios_base::in);

      s1.wait ();

      fbin.close();

      s2.signal ();

      exit(0);

    }

  filebuf fb;

  filebuf* ret = fb.open(name, ios_base::in | ios_base::out);

  VERIFY( ret != NULL );

  VERIFY( fb.is_open() );

  s1.signal ();

  s2.wait ();

  fb.sputc('a');

  ret = fb.close();

  VERIFY( ret != NULL );

  VERIFY( !fb.is_open() );

}

int

main()

{

  test_07();

  return 0;

}