+I*Berkeley DB: DbMpool::close[P

DbMpool::close





#include <db_cxx.h>

intDbMpool::close();





Description



1The DbMpool::close method closes the memory pool.

tCalling DbMpool::close does not imply a call to DbMpoolFile::sync,ubut does imply a call to DbMpoolFile::close for any remaining open{files in the pool returned to this process by calls to DbMpoolFile::open.

sIn addition, if the dir argument to DbMpool::open was NULL andedbenv was not initialized using DbEnv::appinit,%or the DB_MPOOL_PRIVATE flag was set,?all files created for this shared region will be removed, as ifWthe DbMpool::unlink method were called.

AIn multi-threaded applications, only a single thread may call theDbMpool::close method.

The DbMpool::close>method either returns errno or throws an exception that:encapsulates an errno on failure, and 0 on success.



Errors

UIf a fatal error occurs in Berkeley DB, the DbMpool::close method may fail and eitherIreturn DB_RUNRECOVERY or throw an exception encapsulating DB_RUNRECOVERY,Gat which point all subsequent database calls will also fail in the sameFway. Methods marked as returning errno will, by default, throwHan exception that encapsulates the error information. The default error\behavior can be changed, see DbException.

The DbMpool::close&method may fail and throw an exceptionKfor any of the errors specified for the following Berkeley DB and C library functions: abort(3), close(3), fcntl(3), fflush(3), fprintf(3),free(3), getpid(3),FDbMpoolFile::close, memset(3), munmap(3), shmctl(3), shmdt(3), strlen(3), unlink(3), vfprintf(3),and vsnprintf(3).



Class

6DbMpool



See Also

DbMpool::close,<DbMpool::open,JDbMpool::db_register,<DbMpool::stat,<DbMpool::sync,ADbMpool::trickleand@DbMpool::unlink.
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