DbMpoolFile::set
|
|
#include <db_cxx.h>
int
DbMpoolFile::set(void *pgaddr, u_int32_t flags);
Description: DbMpoolFile::set
The DbMpoolFile::set method sets the attributes of a cache page.
The DbMpoolFile::set 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
- pgaddr
- The pgaddr parameter is the address of the page for which
attributes are to be set. he pgaddr parameter must be an
address previously returned by DbMpoolFile::get.
- flags
- The flags parameter must be set to 0 or by bitwise inclusively OR'ing together one
or more of the following values:
- DB_MPOOL_DISCARD
- The page is unlikely to be useful in the near future, and should be
discarded before other pages in the pool.
Errors
The DbMpoolFile::set method
may fail and throw
DbException,
encapsulating one of the following non-zero errors, or return one of
the following non-zero errors:
- EINVAL
- An
invalid flag value or parameter was specified.
Class
DbEnv, DbMpoolFile
See Also
Memory Pools and Related Methods
Copyright (c) 1996-2006 Oracle Corporation - All rights reserved.