| // { dg-require-fork "" } |
| // { dg-require-mkfifo "" } |
| |
| // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 |
| // 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. |
| |
| // 27.8.1.3 filebuf member functions |
| // @require@ %-*.tst %-*.txt |
| // @diff@ %-*.tst %-*.txt |
| |
| // various tests for filebuf::open() and filebuf::close() including |
| // the non-portable functionality in the libstdc++-v3 IO library |
| |
| #include <fstream> |
| #include <unistd.h> |
| #include <signal.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| // No asserts, avoid leaking the semaphores if a VERIFY fails. |
| #undef _GLIBCXX_ASSERT |
| |
| #include <testsuite_hooks.h> |
| |
| // libstdc++/9964 |
| bool test_07() |
| { |
| using namespace std; |
| using namespace __gnu_test; |
| bool test __attribute__((unused)) = true; |
| semaphore s1, s2; |
| |
| const char* name = "tmp_fifo3"; |
| |
| signal(SIGPIPE, SIG_IGN); |
| |
| unlink(name); |
| mkfifo(name, S_IRWXU); |
| |
| int child = fork(); |
| VERIFY( child != -1 ); |
| |
| if (child == 0) |
| { |
| filebuf fbin; |
| fbin.open(name, ios_base::in); |
| s1.wait(); |
| fbin.close(); |
| s2.signal(); |
| exit(0); |
| } |
| |
| filebuf fb; |
| filebuf* ret = fb.open(name, ios_base::in | ios_base::out); |
| VERIFY( ret != NULL ); |
| VERIFY( fb.is_open() ); |
| s1.signal(); |
| s2.wait(); |
| fb.sputc('a'); |
| |
| ret = fb.close(); |
| VERIFY( ret != NULL ); |
| VERIFY( !fb.is_open() ); |
| |
| return test; |
| } |
| |
| int |
| main() |
| { |
| return !test_07(); |
| } |