std::lock_guard::lock_guard
From cppreference.com
< cpp | thread | lock guard
| explicit lock_guard( mutex_type& m ); |
(1) | (since C++11) |
| lock_guard( mutex_type& m, std::adopt_lock_t t ); |
(2) | (since C++11) |
| lock_guard( const lock_guard& ) = delete; |
(3) | (since C++11) |
Acquires ownership of the given mutex m.
1) Effectively calls m.lock(). The behavior is undefined if
m is not a recursive mutex and the current thread already owns m.2) Acquires ownership of the mutex m without attempting to lock it. The behavior is undefined if the current thread does not own
m.3) Copy constructor is deleted.
The behavior is undefined if m is destroyed before the lock_guard object is.
Parameters
| m | - | mutex to acquire ownership of |
| t | - | tag parameter used to select non-locking version of the constructor |
Exceptions
1) Throws any exceptions thrown by m.lock()
2) Throws nothing