diff options
Diffstat (limited to 'bdb/dist/template/rec_btree')
| -rw-r--r-- | bdb/dist/template/rec_btree | 943 |
1 files changed, 0 insertions, 943 deletions
diff --git a/bdb/dist/template/rec_btree b/bdb/dist/template/rec_btree deleted file mode 100644 index 6c954db1afb..00000000000 --- a/bdb/dist/template/rec_btree +++ /dev/null @@ -1,943 +0,0 @@ -#include "db_config.h" - -#ifndef NO_SYSTEM_INCLUDES -#include <sys/types.h> - -#include <string.h> -#endif - -#include "db_int.h" -#include "db_page.h" -#include "bam.h" -#include "log.h" - -/* - * __bam_pg_alloc_recover -- - * Recovery function for pg_alloc. - * - * PUBLIC: int __bam_pg_alloc_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_pg_alloc_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_pg_alloc_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_pg_alloc_print); - REC_INTRO(__bam_pg_alloc_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_pg_alloc1_recover -- - * Recovery function for pg_alloc1. - * - * PUBLIC: int __bam_pg_alloc1_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_pg_alloc1_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_pg_alloc1_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_pg_alloc1_print); - REC_INTRO(__bam_pg_alloc1_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_pg_free_recover -- - * Recovery function for pg_free. - * - * PUBLIC: int __bam_pg_free_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_pg_free_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_pg_free_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_pg_free_print); - REC_INTRO(__bam_pg_free_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_pg_free1_recover -- - * Recovery function for pg_free1. - * - * PUBLIC: int __bam_pg_free1_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_pg_free1_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_pg_free1_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_pg_free1_print); - REC_INTRO(__bam_pg_free1_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_split1_recover -- - * Recovery function for split1. - * - * PUBLIC: int __bam_split1_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_split1_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_split1_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_split1_print); - REC_INTRO(__bam_split1_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_split_recover -- - * Recovery function for split. - * - * PUBLIC: int __bam_split_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_split_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_split_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_split_print); - REC_INTRO(__bam_split_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_rsplit1_recover -- - * Recovery function for rsplit1. - * - * PUBLIC: int __bam_rsplit1_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_rsplit1_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_rsplit1_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_rsplit1_print); - REC_INTRO(__bam_rsplit1_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_rsplit_recover -- - * Recovery function for rsplit. - * - * PUBLIC: int __bam_rsplit_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_rsplit_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_rsplit_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_rsplit_print); - REC_INTRO(__bam_rsplit_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_adj_recover -- - * Recovery function for adj. - * - * PUBLIC: int __bam_adj_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_adj_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_adj_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_adj_print); - REC_INTRO(__bam_adj_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_cadjust_recover -- - * Recovery function for cadjust. - * - * PUBLIC: int __bam_cadjust_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_cadjust_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_cadjust_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_cadjust_print); - REC_INTRO(__bam_cadjust_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_cdel_recover -- - * Recovery function for cdel. - * - * PUBLIC: int __bam_cdel_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_cdel_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_cdel_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_cdel_print); - REC_INTRO(__bam_cdel_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_repl_recover -- - * Recovery function for repl. - * - * PUBLIC: int __bam_repl_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_repl_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_repl_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_repl_print); - REC_INTRO(__bam_repl_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_root_recover -- - * Recovery function for root. - * - * PUBLIC: int __bam_root_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_root_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_root_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_root_print); - REC_INTRO(__bam_root_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_curadj_recover -- - * Recovery function for curadj. - * - * PUBLIC: int __bam_curadj_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_curadj_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_curadj_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_curadj_print); - REC_INTRO(__bam_curadj_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - -/* - * __bam_rcuradj_recover -- - * Recovery function for rcuradj. - * - * PUBLIC: int __bam_rcuradj_recover - * PUBLIC: __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *)); - */ -int -__bam_rcuradj_recover(dbenv, dbtp, lsnp, op, info) - DB_ENV *dbenv; - DBT *dbtp; - DB_LSN *lsnp; - db_recops op; - void *info; -{ - __bam_rcuradj_args *argp; - DB *file_dbp; - DBC *dbc; - DB_MPOOLFILE *mpf; - PAGE *pagep; - int cmp_n, cmp_p, modified, ret; - - REC_PRINT(__bam_rcuradj_print); - REC_INTRO(__bam_rcuradj_read); - - if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) - if (DB_REDO(op)) { - if ((ret = memp_fget(mpf, - &argp->pgno, DB_MPOOL_CREATE, &pagep)) != 0) - goto out; - } else { - *lsnp = argp->prev_lsn; - ret = 0; - goto out; - } - - modified = 0; - cmp_n = log_compare(lsnp, &LSN(pagep)); - - /* - * Use this when there is something like "pagelsn" in the argp - * structure. Sometimes, you might need to compare meta-data - * lsn's instead. - * - * cmp_p = log_compare(&LSN(pagep), argp->pagelsn); - */ - if (cmp_p == 0 && DB_REDO(op)) { - /* Need to redo update described. */ - modified = 1; - } else if (cmp_n == 0 && !DB_REDO(op)) { - /* Need to undo update described. */ - modified = 1; - } - if (ret = memp_fput(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) - goto out; - - *lsnp = argp->prev_lsn; - ret = 0; - -out: REC_CLOSE; -} - |