Class AutoLock

src/include/base/cef_lock.h:124–142

A helper class that acquires the given Lock while the AutoLock is in scope.

// A helper class that acquires the given Lock while the AutoLock is in scope.
class AutoLock {
 public:
  struct AlreadyAcquired {};

  explicit AutoLock(Lock& lock) : lock_(lock) { lock_.Acquire(); }

  AutoLock(Lock& lock, const AlreadyAcquired&) : lock_(lock) {
    lock_.AssertAcquired();
  }

  ~AutoLock() {
    lock_.AssertAcquired();
    lock_.Release();
  }

 private:
  Lock& lock_;
  DISALLOW_COPY_AND_ASSIGN(AutoLock);
};

// AutoUnlock is a helper that will Release() the |lock| argument in the
// constructor, and re-Acquire() it in the destructor.