46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: libcpp-has-no-threads
|
|
// UNSUPPORTED: c++98, c++03
|
|
|
|
// <mutex>
|
|
|
|
// template <class ...Mutex> class lock_guard;
|
|
|
|
// lock_guard& operator=(lock_guard const&) = delete;
|
|
|
|
// MODULES_DEFINES: _LIBCPP_ABI_VARIADIC_LOCK_GUARD
|
|
#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
|
|
#include <mutex>
|
|
|
|
int main()
|
|
{
|
|
using M = std::mutex;
|
|
M m0, m1, m2;
|
|
M om0, om1, om2;
|
|
{
|
|
using LG = std::lock_guard<>;
|
|
LG lg1, lg2;
|
|
lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
|
|
}
|
|
{
|
|
using LG = std::lock_guard<M, M>;
|
|
LG lg1(m0, m1);
|
|
LG lg2(om0, om1);
|
|
lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
|
|
}
|
|
{
|
|
using LG = std::lock_guard<M, M, M>;
|
|
LG lg1(m0, m1, m2);
|
|
LG lg2(om0, om1, om2);
|
|
lg1 = lg2; // expected-error{{overload resolution selected deleted operator '='}}
|
|
}
|
|
}
|