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DbEnv::mutex_lock |
#include <db_cxx.h>int DbEnv::mutex_lock(db_mutex_t mutex);
The DbEnv::mutex_lock method locks the mutex allocated by DbEnv::mutex_alloc. The thread of control calling DbEnv::mutex_lock will block until the lock is available.
The DbEnv::mutex_lock method may not be called before the DbEnv::open method has been called.
The DbEnv::mutex_lock method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success.
The DbEnv::mutex_lock method may fail and throw DbException, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:
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