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
.
m.lock()
.m
without attempting to lock it. The behavior is undefined if the current thread does not hold a non-shared lock (i.e., a lock acquired by lock
, try_lock
, try_lock_for
, or try_lock_until
) on m
.The behavior is undefined if m
is destroyed before the lock_guard
object is.
m | - | mutex to acquire ownership of. |
t | - | tag parameter used to select non-locking version of the constructor. |
m.lock()
.
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