diff options
Diffstat (limited to 'db-4.8.30/dist/template/rec_db')
| -rw-r--r-- | db-4.8.30/dist/template/rec_db | 1047 |
1 files changed, 1047 insertions, 0 deletions
diff --git a/db-4.8.30/dist/template/rec_db b/db-4.8.30/dist/template/rec_db new file mode 100644 index 0000000..d7b184a --- /dev/null +++ b/db-4.8.30/dist/template/rec_db @@ -0,0 +1,1047 @@ +#include "db_config.h" + +#include "db_int.h" +#include "dbinc/db_page.h" +#include "dbinc/__db.h" +#include "dbinc/log.h" + +/* + * __db_addrem_recover -- + * Recovery function for addrem. + * + * PUBLIC: int __db_addrem_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_addrem_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_addrem_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_addrem_print); + REC_INTRO(__db_addrem_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_big_recover -- + * Recovery function for big. + * + * PUBLIC: int __db_big_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_big_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_big_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_big_print); + REC_INTRO(__db_big_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_ovref_recover -- + * Recovery function for ovref. + * + * PUBLIC: int __db_ovref_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_ovref_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_ovref_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_ovref_print); + REC_INTRO(__db_ovref_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_relink_recover -- + * Recovery function for relink. + * + * PUBLIC: int __db_relink_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_relink_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_relink_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_relink_print); + REC_INTRO(__db_relink_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_debug_recover -- + * Recovery function for debug. + * + * PUBLIC: int __db_debug_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_debug_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_debug_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_debug_print); + REC_INTRO(__db_debug_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_noop_recover -- + * Recovery function for noop. + * + * PUBLIC: int __db_noop_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_noop_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_noop_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_noop_print); + REC_INTRO(__db_noop_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_alloc_recover -- + * Recovery function for pg_alloc. + * + * PUBLIC: int __db_pg_alloc_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_alloc_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_alloc_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_alloc_print); + REC_INTRO(__db_pg_alloc_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_alloc_recover -- + * Recovery function for pg_alloc. + * + * PUBLIC: int __db_pg_alloc_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_alloc_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_alloc_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_alloc_print); + REC_INTRO(__db_pg_alloc_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_free_recover -- + * Recovery function for pg_free. + * + * PUBLIC: int __db_pg_free_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_free_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_free_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_free_print); + REC_INTRO(__db_pg_free_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_free_recover -- + * Recovery function for pg_free. + * + * PUBLIC: int __db_pg_free_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_free_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_free_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_free_print); + REC_INTRO(__db_pg_free_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_cksum_recover -- + * Recovery function for cksum. + * + * PUBLIC: int __db_cksum_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_cksum_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_cksum_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_cksum_print); + REC_INTRO(__db_cksum_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_freedata_recover -- + * Recovery function for pg_freedata. + * + * PUBLIC: int __db_pg_freedata_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_freedata_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_freedata_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_freedata_print); + REC_INTRO(__db_pg_freedata_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_freedata_recover -- + * Recovery function for pg_freedata. + * + * PUBLIC: int __db_pg_freedata_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_freedata_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_freedata_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_freedata_print); + REC_INTRO(__db_pg_freedata_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_init_recover -- + * Recovery function for pg_init. + * + * PUBLIC: int __db_pg_init_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_init_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_init_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_init_print); + REC_INTRO(__db_pg_init_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_sort_recover -- + * Recovery function for pg_sort. + * + * PUBLIC: int __db_pg_sort_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_sort_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_sort_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_sort_print); + REC_INTRO(__db_pg_sort_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + +/* + * __db_pg_trunc_recover -- + * Recovery function for pg_trunc. + * + * PUBLIC: int __db_pg_trunc_recover + * PUBLIC: __P((env *, DBT *, DB_LSN *, db_recops, void *)); + */ +int +__db_pg_trunc_recover(env, dbtp, lsnp, op, info) + env *env; + DBT *dbtp; + DB_LSN *lsnp; + db_recops op; + void *info; +{ + __db_pg_trunc_args *argp; + DB *file_dbp; + DBC *dbc; + DB_MPOOLFILE *mpf; + DB_THREAD_INFO *ip; + PAGE *pagep; + int cmp_n, cmp_p, modified, ret; + + ip = ((DB_TXNHEAD *)info)->thread_info; + + REC_PRINT(__db_pg_trunc_print); + REC_INTRO(__db_pg_trunc_read, ip, 0); + + if ((ret = mpf->get(mpf, &argp->pgno, 0, &pagep)) != 0) + if (DB_REDO(op)) { + if ((ret = mpf->get(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 = mpf->put(mpf, pagep, modified ? DB_MPOOL_DIRTY : 0)) + goto out; + + *lsnp = argp->prev_lsn; + ret = 0; + +out: REC_CLOSE; +} + |