Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/30_threads/call_once/60497.cc @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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// { dg-do compile } // { dg-options "-pthread" } // { dg-require-effective-target c++11 } // { dg-require-effective-target pthread } // { dg-require-gthreads "" } // Copyright (C) 2014-2020 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/>. // libstdc++/60497 #include <mutex> #include <memory> #include <functional> struct A; template<typename T> struct B { T t; }; using UP = std::unique_ptr<B<A>>; void f(UP&) { } void g(UP& p) { std::once_flag o; std::call_once(o, f, std::ref(p)); }