| //===----------------------------------------------------------------------===// |
| // |
| // ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <mutex> |
| |
| // template <class Mutex> class unique_lock; |
| |
| // void unlock(); |
| |
| #include <mutex> |
| #include <cassert> |
| |
| bool unlock_called = false; |
| |
| struct mutex |
| { |
| void lock() {} |
| void unlock() {unlock_called = true;} |
| }; |
| |
| mutex m; |
| |
| int main() |
| { |
| std::unique_lock<mutex> lk(m); |
| lk.unlock(); |
| assert(unlock_called == true); |
| assert(lk.owns_lock() == false); |
| try |
| { |
| lk.unlock(); |
| assert(false); |
| } |
| catch (std::system_error& e) |
| { |
| assert(e.code().value() == EPERM); |
| } |
| lk.release(); |
| try |
| { |
| lk.unlock(); |
| assert(false); |
| } |
| catch (std::system_error& e) |
| { |
| assert(e.code().value() == EPERM); |
| } |
| } |