101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
// thread -*- C++ -*-
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// Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include <thread>
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#include <cerrno>
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#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
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namespace std
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{
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namespace
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{
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extern "C" void*
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execute_native_thread_routine(void* __p)
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{
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thread::_Impl_base* __t = static_cast<thread::_Impl_base*>(__p);
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thread::__shared_base_type __local;
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__local.swap(__t->_M_this_ptr);
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__try
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{
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__t->_M_run();
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}
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__catch(...)
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{
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std::terminate();
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}
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return 0;
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}
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}
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void
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thread::join()
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{
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int __e = EINVAL;
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if (_M_id != id())
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__e = __gthread_join(_M_id._M_thread, NULL);
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if (__e)
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__throw_system_error(__e);
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_M_id = id();
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}
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void
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thread::detach()
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{
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int __e = EINVAL;
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if (_M_id != id())
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__e = __gthread_detach(_M_id._M_thread);
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if (__e)
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__throw_system_error(__e);
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_M_id = id();
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}
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void
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thread::_M_start_thread(__shared_base_type __b)
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{
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if (!__gthread_active_p())
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__throw_system_error(int(errc::operation_not_permitted));
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__b->_M_this_ptr = __b;
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int __e = __gthread_create(&_M_id._M_thread,
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&execute_native_thread_routine, __b.get());
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if (__e)
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{
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__b->_M_this_ptr.reset();
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__throw_system_error(__e);
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}
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}
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}
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#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
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