| Trace database map closings and appends | Debug command-line switch | The -d38.9 debugging switch traces map closures for maps that can be closed: ndbm_map_close( name, file, flags ) db_map_close( name, file, flags ) impl_map_close( name, file, flags) ph_map_close( name ): pmap-ph_fastclose= num prog_map_lookup( name ) failed ( errno ) -- closing seq_map_close( name ) Here, the name is either the name you gave to the map with the K configuration command or one assigned internally by sendmail (such as aliases.files ). The file is the filename on disk that contains the database. The flags describe the specific features of a map. They are printed in hexadecimal, and the meanings of the values printed are listed in Table 16-11. Table 16-11. Flags describing properties of database maps | Hex | Text | Description | | MF_VALID | 0x00000001 | This entry is valid | | MF_INCLNULL | 0x00000002 | Include null byte in key | | MF_OPTIONAL | 0x00000004 | Don't complain if map is not found | | MF_NOFOLDCASE | 0x00000008 | Don't fold case in keys | | MF_MATCHONLY | 0x00000010 | Only check for existence of the key | | MF_OPEN | 0x00000020 | This database is open | | MF_WRITABLE | 0x00000040 | Open for writing | | MF_ALIAS | 0x00000080 | This is an alias file | | MF_TRY0NULL | 0x00000100 | Try with no null byte | | MF_TRY1NULL | 0x00000200 | Try with the null byte | | MF_LOCKED | 0x00000400 | This map is currently locked | | MF_ALIASWAIT | 0x00000800 | Alias map in aliaswait state | | MF_IMPL_HASH | 0x00001000 | Implicit: underlying hash database | | MF_IMPL_NDBM | 0x00002000 | Implicit: underlying ndbm database | | MF_UNSAFEDB | 0x00004000 | This map is world-writable (prior to V8.12.1) | | MF_APPEND | 0x00008000 | Append new entry on rebuild | | MF_KEEPQUOTES | 0x00010000 | Don't dequote key before lookup | | MF_NODEFER | 0x00020000 | Don't defer if map lookup fails (V8.8 and above) | | MF_REGEX_NOT | 0x00040000 | Regular expression negation (V8.9 and above) | | MF_DEFER | 0x00080000 | Don't look up map in defer mode (V8.10 and above) | | MF_SINGLEMATCH | 0x00100000 | Successful only if matches one key (V8.10 and above) | | MF_FILECLASS | 0x00400000 | This is a file database type (V8.12 and above) | | MF_OPENBOGUS | 0x00800000 | Open failed, don't call map_close (V8.12 and above) | | MF_CLOSING | 0x01000000 | This map is being closed (V8.12 and above) | In addition to tracing map closures, the -d38.9 debugging switch traces map appends allowed by the MF_APPEND flag (-A) as specified when the database is declared by the K configuration command: ndbm_map_store append= new db_map_store append= new Here new is the new value appended to the old. Because this property is used for alias files, the new and old values have a comma inserted between them. | 