| // { dg-require-fork "" } |
| // { dg-require-mkfifo "" } |
| |
| // Copyright (C) 2003 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. |
| |
| // 27.8.1.4 Overridden virtual functions |
| |
| #include <unistd.h> |
| #include <signal.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fstream> |
| #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; |
| } |
| |