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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include <atomic>
// null, no cost dummy "mutex" and dummy "atomic" int
namespace spdlog {
namespace details {
struct null_mutex
{
void lock() {}
void unlock() {}
bool try_lock()
{
return true;
}
};
struct null_atomic_int
{
int value;
null_atomic_int() = default;
explicit null_atomic_int(int val)
: value(val)
{
}
int load(std::memory_order) const
{
return value;
}
void store(int val)
{
value = val;
}
};
} // namespace details
} // namespace spdlog
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