57cb79efa4
2008-09-28 Chris Fairles <cfairles@gcc.gnu.org>
* include/std/mutex (try_lock): Implement generic try_lock.
* testsuite/30_threads/try_lock/1.cc: New.
* testsuite/30_threads/try_lock/2.cc: Likewise.
* testsuite/30_threads/try_lock/3.cc: Likewise.
* testsuite/30_threads/mutex/cons/assign_neg.cc: Adjust line numbers.
* testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
* testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
* testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
* testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
* testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
* testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
Likewise.
* testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc: Likewise.
From-SVN: r140729
101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
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// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
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// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
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// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
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// { dg-require-cstdint "" }
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// { dg-require-gthreads "" }
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// Copyright (C) 2008 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 2, 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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include <mutex>
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#include <system_error>
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#include <testsuite_hooks.h>
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struct user_lock
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{
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user_lock() : is_locked(false) { }
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~user_lock() = default;
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user_lock(const user_lock&) = default;
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void lock()
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{
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bool test __attribute__((unused)) = true;
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VERIFY( !is_locked );
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is_locked = true;
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}
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bool try_lock()
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{ return is_locked ? false : (is_locked = true); }
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void unlock()
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{
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bool test __attribute__((unused)) = true;
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VERIFY( is_locked );
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is_locked = false;
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}
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private:
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bool is_locked;
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};
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int main()
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{
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bool test __attribute__((unused)) = true;
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try
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{
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std::mutex m1;
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std::recursive_mutex m2;
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user_lock m3;
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try
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{
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//heterogeneous types
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int result = std::try_lock(m1, m2, m3);
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VERIFY( result == -1 );
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m1.unlock();
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m2.unlock();
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m3.unlock();
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}
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catch (const std::system_error& e)
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{
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VERIFY( false );
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}
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}
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catch (const std::system_error& e)
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{
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VERIFY( false );
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}
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catch (...)
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{
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VERIFY( false );
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}
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return 0;
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}
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