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// { dg-require-fork "" }
// { dg-require-mkfifo "" }
// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
// Copyright (C) 2003-2015 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/>.
// 27.3 Standard iostream objects
#include <fstream>
#include <iostream>
#include <cstdlib>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
// No asserts, avoid leaking the semaphore if a VERIFY fails.
#undef _GLIBCXX_ASSERT
#include <testsuite_hooks.h>
// Check that wcout.flush() is called when last ios_base::Init is destroyed.
bool test07()
{
using namespace std;
using namespace __gnu_test;
bool test __attribute__((unused)) = true;
const char* name = "tmp_fifo4";
signal(SIGPIPE, SIG_IGN);
unlink(name);
mkfifo(name, S_IRWXU);
semaphore s1;
int child = fork();
VERIFY( child != -1 );
if (child == 0)
{
wfilebuf fbout;
fbout.open(name, ios_base::out);
s1.wait();
wcout.rdbuf(&fbout);
fbout.sputc(L'a');
// NB: fbout is *not* destroyed here!
exit(0);
}
wfilebuf fbin;
fbin.open(name, ios_base::in);
s1.signal();
wfilebuf::int_type c = fbin.sbumpc();
VERIFY( c != wfilebuf::traits_type::eof() );
VERIFY( c == wfilebuf::traits_type::to_int_type(L'a') );
fbin.close();
return test;
}
int
main()
{
return !test07();
}
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