3I0Berkeley DB: DbLog::db_unregister[P

DbLog::db_unregister





#include <db_cxx.h>

int$DbLog::db_unregister(u_int32_t fid);





Description



CThe DbLog::db_unregister method disassociates the file name to file@identification number mapping for the file identification number?specified by the fid parameter. The file identificationnumber may then be reused.

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



Errors

[If a fatal error occurs in Berkeley DB, the DbLog::db_unregister 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 DbLog::db_unregister&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),dbenv->db_paniccall(3), fcntl(3), fflush(3), fprintf(3),free(3), fsync(3), getenv(3), getpid(3), getuid(3), isdigit(3), lseek(3), malloc(3), memcpy(3), memset(3),open(3),sigfillset(3),sigprocmask(3), snprintf(3),stat(3), strerror(3), strlen(3),time(3), unlink(3), vfprintf(3), vsnprintf(3),and write(3).

%In addition, the DbLog::db_unregister&method may fail and throw an exceptionor return errnofor the following conditions:

B

EINVAL
An invalid flag value or parameter was specified.







Class

2DbLog



See Also

>DbLog::archive,:DbLog::close,>DbLog::compare,8DbLog::file,:DbLog::flush,6DbLog::get,8DbLog::open,6DbLog::put,FDbLog::db_register,8DbLog::stat,;DbLog::unlinkandDbLog::db_unregister.
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