// { dg-require-fork "" } // { dg-require-mkfifo "" } // 2003-05-01 Petur Runolfsson <peturr02@ru.is> // Copyright (C) 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // 27.3 Standard iostream objects #include <fstream> #include <iostream> #include <unistd.h> #include <signal.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include <testsuite_hooks.h> // Check that wcout.flush() is called when last ios_base::Init is destroyed. void 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(); } int main() { test07(); return 0; }