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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libstdc++-v3/testsuite/27_io/objects/char/7.cc
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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/objects/char/7.cc')
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diff --git a/libstdc++-v3/testsuite/27_io/objects/char/7.cc b/libstdc++-v3/testsuite/27_io/objects/char/7.cc
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+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
+// 2003-04-26 Petur Runolfsson <peturr02@ru.is>
+
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
+// 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 cout.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)
+ {
+ filebuf fbout;
+ fbout.open(name, ios_base::in|ios_base::out);
+ VERIFY( fbout.is_open() );
+ s1.wait();
+ 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();
+
+ return test;
+}
+
+int
+main()
+{
+ return !test07();
+}