| // { dg-require-fork "" } |
| // { dg-require-mkfifo "" } |
| |
| // 2003-04-26 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 cout.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) |
| { |
| filebuf fbout; |
| fbout.open(name, ios_base::in|ios_base::out); |
| s1.wait (); |
| VERIFY ( fbout.is_open() ); |
| cout.rdbuf(&fbout); |
| fbout.sputc('a'); |
| // NB: fbout is *not* destroyed here! |
| exit(0); |
| } |
| |
| filebuf fbin; |
| fbin.open(name, ios_base::in); |
| s1.signal (); |
| filebuf::int_type c = fbin.sbumpc(); |
| VERIFY( c != filebuf::traits_type::eof() ); |
| VERIFY( c == filebuf::traits_type::to_int_type('a') ); |
| |
| fbin.close(); |
| } |
| |
| int |
| main() |
| { |
| test07(); |
| return 0; |
| } |