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`lock` Member Function

Acquires a lock on a std::mutex object for the current thread.

void lock();

Preconditions:: The calling thread must not hold a lock on *this.
Effects:: Blocks the current thread until a lock on *this can be obtained.
Postconditions:: *this is locked by the calling thread.
Throws:: An exception of type std::system_error if an error occurs.

Header

#include <mutex>

See Also