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`std::recursive_mutex::lock` Member Function

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

void lock();

Effects:: Blocks the current thread until a lock on *this can be obtained.
Postconditions:: *this is locked by the calling thread. If the calling thread already held a lock on *this, the lock count is increased by one.
Throws:: An exception of type std::system_error if an error occurs.

Header

#include <mutex>

See Also