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// { dg-require-fork "" }
// { dg-require-mkfifo "" }
// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
// 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.8.1.4 Overridden virtual functions
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fstream>
#include <cstdlib>
#include <testsuite_hooks.h>
// libstdc++/9533
void test_01()
{
using namespace std;
using namespace __gnu_test;
bool test __attribute__((unused)) = true;
const char* name = "tmp_fifo1";
const int count = 10000;
signal(SIGPIPE, SIG_IGN);
unlink(name);
if (0 != mkfifo(name, S_IRWXU))
{
VERIFY( false );
}
int fval = fork();
if (fval == -1)
{
unlink(name);
VERIFY( false );
}
else if (fval == 0)
{
filebuf ofbuf;
ofbuf.open(name, ios_base::in|ios_base::out);
VERIFY( ofbuf.is_open() );
sleep(1);
for (int i = 0; i < count; ++i)
ofbuf.sputc(i % 100);
ofbuf.pubsync();
sleep(1);
ofbuf.close();
exit(0);
}
filebuf ifbuf;
ifbuf.open(name, ios_base::in);
VERIFY( ifbuf.is_open() );
for (int j = 0; j < count; ++j)
{
filebuf::int_type c1 = ifbuf.sbumpc();
VERIFY( c1 == j % 100 );
}
filebuf::int_type c6 = ifbuf.sbumpc();
VERIFY( c6 == filebuf::traits_type::eof() );
sleep(2);
ifbuf.close();
unlink(name);
}
int
main()
{
test_01();
return 0;
}
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