usr/src/cmd/sendmail/db/include/db_am.h

   1 /*-
   2  * See the file LICENSE for redistribution information.
   3  *
   4  * Copyright (c) 1996, 1997, 1998
   5  *      Sleepycat Software.  All rights reserved.
   6  *
   7  *      @(#)db_am.h     10.15 (Sleepycat) 11/22/98
   8  */
   9 #ifndef _DB_AM_H
  10 #define _DB_AM_H
  11
  12 #define DB_ISBIG        0x01
  13 #define DB_ADD_DUP      0x10
  14 #define DB_REM_DUP      0x20
  15 #define DB_ADD_BIG      0x30
  16 #define DB_REM_BIG      0x40
  17 #define DB_SPLITOLD     0x50
  18 #define DB_SPLITNEW     0x60
  19 #define DB_ADD_PAGE     0x70
  20 #define DB_REM_PAGE     0x80
  21
  22 /*
  23  * Standard initialization and shutdown macros for all recovery functions.
  24  *
  25  * Requires the following local variables:
  26  *
  27  *      DB *file_dbp, *mdbp;
  28  *      DB_MPOOLFILE *mpf;
  29  *      int ret;
  30  */
  31 #define REC_INTRO(func) {                                               \
  32         file_dbp = NULL;                                                \
  33         dbc = NULL;                                                     \
  34         if ((ret = func(dbtp->data, &argp)) != 0)                       \
  35                 goto out;                                               \
  36         if ((ret =                                                      \
  37             __db_fileid_to_db(logp, &file_dbp, argp->fileid)) != 0) {   \
  38                 if (ret == DB_DELETED) {                                \
  39                         ret = 0;                                        \
  40                         goto done;                                      \
  41                 }                                                       \
  42                 goto out;                                               \
  43         }                                                               \
  44         if (file_dbp == NULL)                                           \
  45                 goto out;                                               \
  46         if ((ret = file_dbp->cursor(file_dbp, NULL, &dbc, 0)) != 0)     \
  47                 goto out;                                               \
  48         F_SET(dbc, DBC_RECOVER);                                        \
  49         mpf = file_dbp->mpf;                                            \
  50 }
  51
  52 #define REC_CLOSE {                                                     \
  53         if (argp != NULL)                                               \
  54                 __os_free(argp, sizeof(*argp));                         \
  55         if (dbc != NULL)                                                \
  56                 dbc->c_close(dbc);                                      \
  57         return (ret);                                                   \
  58 }
  59
  60 /*
  61  * No-op versions of the same macros.
  62  */
  63 #define REC_NOOP_INTRO(func) {                                          \
  64         if ((ret = func(dbtp->data, &argp)) != 0)                       \
  65                 return (ret);                                           \
  66 }
  67 #define REC_NOOP_CLOSE {                                                \
  68         if (argp != NULL)                                               \
  69                 __os_free(argp, sizeof(*argp));                         \
  70         return (ret);                                                   \
  71 }
  72
  73 /*
  74  * Standard debugging macro for all recovery functions.
  75  */
  76 #ifdef DEBUG_RECOVER
  77 #define REC_PRINT(func)                                                 \
  78         (void)func(logp, dbtp, lsnp, redo, info);
  79 #else
  80 #define REC_PRINT(func)                                                 \
  81         COMPQUIET(info, NULL);
  82 #endif
  83
  84 #include "db_auto.h"
  85 #include "db_ext.h"
  86 #endif