projects / thirdparty / gcc.git / blame
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1 | // 2004-08-25 Benjamin Kosnik <bkoz@redhat.com> |
| 2 | // | |
| 3 | // Copyright (C) 2004 Free Software Foundation, Inc. | |
| 4 | // | |
| 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 2, or (at your option) | |
| 9 | // any later version. | |
| 10 | // | |
| 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. | |
| 15 | // | |
| 16 | // You should have received a copy of the GNU General Public License along | |
| 17 | // with this library; see the file COPYING. If not, write to the Free | |
| 18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
| 19 | // USA. | |
| 20 | ||
| 21 | #include <cassert> | |
| 22 | #include <memory> | |
| 23 | #include <ext/mt_allocator.h> | |
| 24 | ||
| 25 | struct pod | |
| 26 | { | |
| 27 | int i; | |
| 28 | }; | |
| 29 | ||
| 30 | // Tune characteristics. | |
| 31 | // __per_type_pool_policy | |
| 32 | void test02() | |
| 33 | { | |
| 34 | typedef pod value_type; | |
| 35 | #ifdef __GTHREADS | |
| 36 | typedef __gnu_cxx::__per_type_pool_policy<value_type, true> policy_type; | |
| 37 | #else | |
| 38 | typedef __gnu_cxx::__per_type_pool_policy<value_type, false> policy_type; | |
| 39 | #endif | |
| 40 | typedef __gnu_cxx::__mt_alloc<value_type, policy_type> allocator_type; | |
| 41 | typedef __gnu_cxx::__pool_base::_Tune tune_type; | |
| 42 | ||
| 43 | tune_type t_default; | |
| 44 | tune_type t_opt(16, 5120, 32, 5120, 20, 10, false); | |
| 45 | tune_type t_single(16, 5120, 32, 5120, 1, 10, false); | |
| 46 | ||
| 47 | allocator_type a; | |
| 48 | tune_type t1 = a._M_get_options(); | |
| 49 | assert(t1._M_align == t_default._M_align); | |
| 50 | a._M_set_options(t_opt); | |
| 51 | tune_type t2 = a._M_get_options(); | |
| 52 | assert(t1._M_align != t2._M_align); | |
| 53 | ||
| 54 | allocator_type::pointer p1 = a.allocate(128); | |
| 55 | allocator_type::pointer p2 = a.allocate(5128); | |
| 56 | a._M_set_options(t_single); | |
| 57 | t1 = a._M_get_options(); | |
| 58 | assert(t1._M_max_threads != t_single._M_max_threads); | |
| 59 | assert(t1._M_max_threads == t_opt._M_max_threads); | |
| 60 | ||
| 61 | a.deallocate(p1, 128); | |
| 62 | a.deallocate(p2, 5128); | |
| 63 | } | |
| 64 | ||
| 65 | ||
| 66 | int main() | |
| 67 | { | |
| 68 | test02(); | |
| 69 | ||
| 70 | return 0; | |
| 71 | } |