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DbMpoolFile::set_ftype
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#include <db_cxx.h>
int
DbMpoolFile::set(int ftype);
Description
The DbMpoolFile::set_ftype method specifies a file type for the purposes of
input or output processing of the files pages as they are read from or
written to, the backing filesystem store. The ftype argument
must be the same as a ftype argument previously specified to
the DbEnv::memp_register method. (See the DbEnv::memp_register
documentation for more information.)
The DbMpoolFile::set_ftype 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.
Errors
The DbMpoolFile::set_ftype method may fail and throw an exception or return a non-zero error for errors specified for other Berkeley DB and C library or system methods.
If a catastrophic error has occurred, the DbMpoolFile::set_ftype method may fail and either
return DB_RUNRECOVERY or throw an exception encapsulating
DB_RUNRECOVERY, in which case all subsequent Berkeley DB calls will fail
in the same way.
Class
DbEnv, DbMpoolFile
See Also
DbEnv::set_cachesize,
DbEnv::set_mp_mmapsize,
DbEnv::memp_fcreate,
DbMpoolFile::close,
DbMpoolFile::get,
DbMpoolFile::open,
DbMpoolFile::put,
DbMpoolFile::set,
DbMpoolFile::sync,
DbEnv::memp_register,
DbMpoolFile::set_clear_len,
DbMpoolFile::set_fileid,
DbMpoolFile::set_ftype,
DbMpoolFile::set_lsn_offset,
DbMpoolFile::set_pgcookie,
DbEnv::memp_stat,
DbEnv::memp_sync,
and
DbEnv::memp_trickle.
Copyright Sleepycat Software
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