diff options
Diffstat (limited to 'db2/db/db_rec.c')
| -rw-r--r-- | db2/db/db_rec.c | 51 |
1 files changed, 31 insertions, 20 deletions
diff --git a/db2/db/db_rec.c b/db2/db/db_rec.c index 48e09e6..fe7c807 100644 --- a/db2/db/db_rec.c +++ b/db2/db/db_rec.c @@ -1,30 +1,25 @@ /*- * See the file LICENSE for redistribution information. * - * Copyright (c) 1996, 1997 + * Copyright (c) 1996, 1997, 1998 * Sleepycat Software. All rights reserved. */ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)db_rec.c 10.12 (Sleepycat) 1/8/98"; +static const char sccsid[] = "@(#)db_rec.c 10.16 (Sleepycat) 4/28/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES #include <sys/types.h> -#endif -#include <ctype.h> -#include <errno.h> -#include <stddef.h> -#include <stdlib.h> #include <string.h> +#endif #include "db_int.h" #include "shqueue.h" #include "db_page.h" -#include "db_dispatch.h" #include "log.h" #include "hash.h" #include "btree.h" @@ -48,7 +43,8 @@ __db_addrem_recover(logp, dbtp, lsnp, redo, info) DB *file_dbp, *mdbp; DB_MPOOLFILE *mpf; PAGE *pagep; - int change, cmp_n, cmp_p, ret; + u_int32_t change; + int cmp_n, cmp_p, ret; REC_PRINT(__db_addrem_print); REC_INTRO(__db_addrem_read); @@ -193,7 +189,8 @@ __db_big_recover(logp, dbtp, lsnp, redo, info) DB *file_dbp, *mdbp; DB_MPOOLFILE *mpf; PAGE *pagep; - int change, cmp_n, cmp_p, ret; + u_int32_t change; + int cmp_n, cmp_p, ret; REC_PRINT(__db_big_print); REC_INTRO(__db_big_read); @@ -503,7 +500,8 @@ __db_addpage_recover(logp, dbtp, lsnp, redo, info) DB *file_dbp, *mdbp; DB_MPOOLFILE *mpf; PAGE *pagep; - int change, cmp_n, cmp_p, ret; + u_int32_t change; + int cmp_n, cmp_p, ret; REC_PRINT(__db_addpage_print); REC_INTRO(__db_addpage_read); @@ -601,8 +599,7 @@ __db_debug_recover(logp, dbtp, lsnp, redo, info) * __db_noop_recover -- * Recovery function for noop. * - * PUBLIC: int __db_noop_recover - * PUBLIC: __P((DB_LOG *, DBT *, DB_LSN *, int, void *)); + * PUBLIC: int __db_noop_recover __P((DB_LOG *, DBT *, DB_LSN *, int, void *)); */ int __db_noop_recover(logp, dbtp, lsnp, redo, info) @@ -613,16 +610,30 @@ __db_noop_recover(logp, dbtp, lsnp, redo, info) void *info; { __db_noop_args *argp; - int ret; - - COMPQUIET(redo, 0); - COMPQUIET(logp, NULL); + DB *file_dbp, *mdbp; + DB_MPOOLFILE *mpf; + PAGE *pagep; + u_int32_t change; + int cmp_n, cmp_p, ret; REC_PRINT(__db_noop_print); - REC_NOOP_INTRO(__db_noop_read); + REC_INTRO(__db_noop_read); + + if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) + goto out; + cmp_n = log_compare(lsnp, &LSN(pagep)); + cmp_p = log_compare(&LSN(pagep), &argp->prevlsn); + change = 0; + if (cmp_p == 0 && redo) { + LSN(pagep) = *lsnp; + change = DB_MPOOL_DIRTY; + } else if (cmp_n == 0 && !redo) { + LSN(pagep) = argp->prevlsn; + change = DB_MPOOL_DIRTY; + } *lsnp = argp->prev_lsn; - ret = 0; + ret = memp_fput(mpf, pagep, change); - REC_NOOP_CLOSE; +out: REC_CLOSE; } |