Hello Martin,
Thursday, January 15, 2004, 6:08:31 PM, you wrote:
> Hello,
> I am noticing a strange effect in php-4.3.5RC1 while using
> dba_open("name", "c", "db4") -- this used to work in php-4.3.3
> (I have both libphp4.so versions and can switch between them)
> but it fails in php-4.3.5RC1 with the error message:
> Warning: dba_open(...,c):
> Driver initialization failed for handler: db4: Unable to establish lock
> (no matter if I use "c", "cd" or "ct" for the flags). The only
> possibility to get it working is by using "c-" for $flags.
> Note that in ext/dba/dba_db4.c, I see some clues about a
> db4-internal locking:
> --snip--dba_db4.c::DBA_OPEN_FUNC(db4)
> #ifdef DB_FCNTL_LOCKING
> gmode |= DB_FCNTL_LOCKING;
> #endif
> --snip--
> so I tried to change the handler[] for db4 to:
> --snip--dba.c::handler[]
> #if DBA_DB4
> #ifdef DB_FCNTL_LOCKING
> DBA_HND(db4, DBA_LOCK_EXT) /* Locking done in library if set */
> #else
> DBA_HND(db4, DBA_LOCK_ALL) /* No lock in lib */
> #endif
> #endif
> --snip--
> but that doesn't change the observed behaviour.
> Is it *my* error, or is something really broken in php-4.3.5RC1?
Nice idea but DB_FCNTL_LOCKING has a different meaning. It says go use the
lock that is already set from the process. And it does not mean do create a
lock.
What version of db4 do you have? Is it compiled by your own? are you using a
dba.so? Are you testing on a standard linux fs (extfs3) or what?
--
Best regards,
Marcus mailto:[EMAIL PROTECTED]
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