std::lock_guard

Defined in header <mutex>
template< class Mutex > class lock_guard;		(since C++11)

The class Template:cpp implements a strictly scope-based mutex ownership wrapper. The class is non-copyable. The supplied Mutex type shall implement the Lockable concept.

Member functions

Template:cpp/thread/lock guard/dcl list constructorTemplate:cpp/thread/lock guard/dcl list destructorTemplate:tdcl list end

Example

Run this code

std::mutex m;
 
void do_something()
{
    std::lock_guard<std::mutex> lock(m);
    // the remaining function is thread-safe now
}