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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/ext/pool_allocator/allocate_chunk.cc
1 // 2004-10-10 Paolo Carlini <pcarlini@suse.de>
3 // Copyright (C) 2004-2014 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // 20.4.1.1 allocator members
22 #include <ext/pool_allocator.h>
35 operator new(size_t n
) throw(std::bad_alloc
)
37 static bool first
= true;
39 throw std::bad_alloc();
41 return std::malloc(n
);
44 // http://gcc.gnu.org/ml/libstdc++/2004-10/msg00098.html
47 using __gnu_cxx::__pool_alloc
;
49 __pool_alloc
<big
> alloc_big
;
50 alloc_big
.allocate(1);
52 // The constant 20 comes from __pool_alloc_base::_M_refill. See
53 // also __pool_alloc_base::_M_allocate_chunk.
54 __pool_alloc
<small
> alloc_small
;
55 for (unsigned int i
= 0; i
< 20 * sizeof(big
) / sizeof(small
) + 1; ++i
)
56 alloc_small
.allocate(1);