(_Swap_lock_struct<__dummy>::_S_swap_lock): New data.
* testsuite/ext/rope.cc: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45999
138bc75d-0d04-0410-961f-
82ee72b054a4
+2001-10-03 Dimitris Vyzovitis <vyzo@media.mit.edu>
+
+ * include/bits/stl_threads.h (_Atomic_swap): New function.
+ (_Swap_lock_struct<__dummy>::_S_swap_lock): New data.
+ * testsuite/ext/rope.cc: New file.
+
2001-10-02 Benjamin Kosnik <bkoz@redhat.com>
* config/locale/time_members_gnu.h: Remove.
// later, if required. You can start by cloning the __STL_PTHREADS
// path while making the obvious changes. Later it could be optimized
// to use the atomicity.h abstraction layer from libstdc++-v3.
+// vyzo: simple _Atomic_swap implementation following the guidelines above
+ // We use a template here only to get a unique initialized instance.
+ template<int __dummy>
+ struct _Swap_lock_struct {
+ static __gthread_mutex_t _S_swap_lock;
+ };
+
+ template<int __dummy>
+ __gthread_mutex_t
+ _Swap_lock_struct<__dummy>::_S_swap_lock = __GTHREAD_MUTEX_INIT;
+
+ // This should be portable, but performance is expected
+ // to be quite awful. This really needs platform specific
+ // code.
+ inline unsigned long _Atomic_swap(unsigned long * __p, unsigned long __q) {
+ __gthread_mutex_lock(&_Swap_lock_struct<0>::_S_swap_lock);
+ unsigned long __result = *__p;
+ *__p = __q;
+ __gthread_mutex_unlock(&_Swap_lock_struct<0>::_S_swap_lock);
+ return __result;
+ }
+
#else
// GCC extension end
# ifdef __STL_SGI_THREADS
--- /dev/null
+// 2001-10-03 From: Dimitris Vyzovitis <vyzo@media.mit.edu>
+
+// Copyright (C) 2001 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.
+
+// rope (SGI extension)
+
+#include <ext/rope>
+#include <iostream>
+
+void test01()
+{
+ std::crope foo;
+ foo += "bar";
+ const char* data = foo.c_str();
+ std::cout << data << std::endl;
+}
+
+int main()
+{
+ test01();
+ return 0;
+}