Library Version 12.1.6.2

DbChannel::close()
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## DbChannel::close()

    #include <db_cxx.h>

    int
    DbChannel::close(u_int32_t flags);

The `DbChannel::close()` method closes the DbChannel handle, freeing any resources allocated to the handle. All DbChannel handles must be closed before the encompassing environment handle is closed. Also, all on-going messaging operations on the channel should be allowed to complete before attempting to close the channel handle.

After `DbChannel::close()` has been called, regardless of its return, the DbChannel handle may not be accessed again.

The `DbChannel::close()` 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.

### Parameters

#### flags

This parameter is currently unused, and must be set to 0.

### Errors

The `DbChannel::close()` method may fail and throw a DbException exception, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:

#### EINVAL

If this method is called from a Base API application, or if an invalid flag value or parameter was specified.

### Class

DbEnv, DbChannel

### See Also

Replication and Related Methods

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