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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [30_threads/] [call_once/] [39909.cc] - Rev 424
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// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } } // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } } // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } } // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } } // { dg-require-cstdint "" } // { dg-require-gthreads "" } // Copyright (C) 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/>. #include <mutex> #include <thread> #include <testsuite_hooks.h> std::once_flag flag; int value = 0; struct Inc { void operator()() const { ++value; } }; struct Func { void operator()() const { Inc inc; for (int i = 0; i < 10000; ++i) std::call_once(flag, inc); } }; int main() { Func f; std::thread t1(f); std::thread t2(f); std::thread t3(f); t1.join(); t2.join(); t3.join(); VERIFY( value == 1 ); return 0; }
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