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memp_fput

 APIRef 

#include <db.h>


int
memp_fput(DB_MPOOLFILE *mpf, void *pgaddr, u_int32_t flags);

Description

The memp_fput function indicates that the page to which pgaddr refers can be evicted from the pool. The pgaddr argument must be an address previously returned by memp_fget.

The flags value must be set to 0 or by bitwise inclusively OR'ing together one or more of the following values:

DB_MPOOL_CLEAN
Clear any previously set modification information (that is, don't bother writing the page back to the source file).

DB_MPOOL_DIRTY
The page has been modified and must be written to the source file before being evicted from the pool.

DB_MPOOL_DISCARD
The page is unlikely to be useful in the near future, and should be discarded before other pages in the pool.

The DB_MPOOL_CLEAN and DB_MPOOL_DIRTY flags are mutually exclusive.

The memp_fput function returns a non-zero error value on failure and 0 on success.

Errors

The memp_fput function may fail and return a non-zero error for the following conditions:

EACCES
The DB_MPOOL_DIRTY flag was set and the source file was not opened for writing.

EINVAL
An invalid flag value or parameter was specified.

The pgaddr argument does not refer to a page returned by memp_fget.

More than one of the DB_MPOOL_CLEAN and DB_MPOOL_DIRTY flags was set.

The memp_fput function may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions. If a catastrophic error has occurred, the memp_fput function may fail and return DB_RUNRECOVERY, in which case all subsequent Berkeley DB calls will fail in the same way.

See Also

DB_ENV->set_cachesize, DB_ENV->set_mp_mmapsize, memp_fclose, memp_fget, memp_fopen, memp_fput, memp_fset, memp_fsync, memp_register, memp_stat, memp_sync, and memp_trickle.

APIRef

Copyright Sleepycat Software @ 1.1 log @Initial revision @ text @d1 1 a1 1 @ 1.1.1.1 log @Import: RPM 4.0.3 @ text @@ 1.1.1.2 log @Import: RPM 4.0.4 @ text @d1 1 a1 1 d6 1 a6 1 Berkeley DB: DB_MPOOLFILE->put d14 1 a14 1

DB_MPOOLFILE->put

d25 1 a25 1 DB_MPOOLFILE->put(DB_MPOOLFILE *mpf, void *pgaddr, u_int32_t flags); d28 1 a28 1

The DB_MPOOLFILE->put function indicates that the page to which pgaddr d30 1 a30 1 be an address previously returned by DB_MPOOLFILE->get. d43 1 a43 1

The DB_MPOOLFILE->put function returns a non-zero error value on failure and 0 on success. d45 1 a45 1

The DB_MPOOLFILE->put function may fail and return a non-zero error for the following conditions: d53 1 a53 1 DB_MPOOLFILE->get. d57 2 a58 2

The DB_MPOOLFILE->put function may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions. If a catastrophic error has occurred, the DB_MPOOLFILE->put function may fail and return d64 9 a72 15 DB_ENV->memp_fcreate, DB_MPOOLFILE->close, DB_MPOOLFILE->get, DB_MPOOLFILE->open, DB_MPOOLFILE->put, DB_MPOOLFILE->set, DB_MPOOLFILE->sync, DB_ENV->memp_register, DB_MPOOLFILE->set_clear_len, DB_MPOOLFILE->set_fileid, DB_MPOOLFILE->set_ftype, DB_MPOOLFILE->set_lsn_offset, DB_MPOOLFILE->set_pgcookie, DB_ENV->memp_stat, DB_ENV->memp_sync, d74 1 a74 1 DB_ENV->memp_trickle. @ 1.1.1.3 log @Import: RPM 4.0.5 @ text @d1 2 a2 2 a3 1 d28 1 a28 1

The DB_MPOOLFILE->put method indicates that the page to which pgaddr d43 1 a43 1

The DB_MPOOLFILE->put method returns a non-zero error value on failure and 0 on success. d45 1 a45 1

The DB_MPOOLFILE->put method may fail and return a non-zero error for the following conditions: d57 4 a60 6

The DB_MPOOLFILE->put method may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions. If a catastrophic error has occurred, the DB_MPOOLFILE->put method may fail and return DB_RUNRECOVERY, in which case all subsequent Berkeley DB calls will fail in the same way.

Class

DB_ENV, DB_MPOOLFILE d62 19 a80 1 Memory Pools and Related Methods @ 1.1.1.4 log @Import: RPM 4.1 @ text @d1 2 a2 2 d4 1 d29 1 a29 1

The DB_MPOOLFILE->put function indicates that the page to which pgaddr d44 1 a44 1

The DB_MPOOLFILE->put function returns a non-zero error value on failure and 0 on success. d46 1 a46 1

The DB_MPOOLFILE->put function may fail and return a non-zero error for the following conditions: d58 6 a63 4

The DB_MPOOLFILE->put function may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions. If a catastrophic error has occurred, the DB_MPOOLFILE->put function may fail and return DB_RUNRECOVERY, in which case all subsequent Berkeley DB calls will fail in the same way. d65 1 a65 19 DB_ENV->set_cachesize, DB_ENV->set_mp_mmapsize, DB_ENV->memp_fcreate, DB_MPOOLFILE->close, DB_MPOOLFILE->get, DB_MPOOLFILE->open, DB_MPOOLFILE->put, DB_MPOOLFILE->set, DB_MPOOLFILE->sync, DB_ENV->memp_register, DB_MPOOLFILE->set_clear_len, DB_MPOOLFILE->set_fileid, DB_MPOOLFILE->set_ftype, DB_MPOOLFILE->set_lsn_offset, DB_MPOOLFILE->set_pgcookie, DB_ENV->memp_stat, DB_ENV->memp_sync, and DB_ENV->memp_trickle. @ 1.1.1.5 log @Import: RPM 4.1.1 @ text @d1 2 a2 2 a3 1 d28 1 a28 1

The DB_MPOOLFILE->put method indicates that the page to which pgaddr d43 1 a43 1

The DB_MPOOLFILE->put method returns a non-zero error value on failure and 0 on success. d45 1 a45 1

The DB_MPOOLFILE->put method may fail and return a non-zero error for the following conditions: d57 4 a60 6

The DB_MPOOLFILE->put method may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions. If a catastrophic error has occurred, the DB_MPOOLFILE->put method may fail and return DB_RUNRECOVERY, in which case all subsequent Berkeley DB calls will fail in the same way.

Class

DB_ENV, DB_MPOOLFILE d62 19 a80 1 Memory Pools and Related Methods @