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    • Ruediger Pluem's avatar
      * Add CacheIgnoreQueryString directive to cache requests with a query string · f9b39c0b
      Ruediger Pluem authored 
        even if no expiration time is specified. Futhermore the query string will not
  be used for key generation such that requests to the same URI path, but with
  different query strings are mapped to the same cache entity. Turning this
  setting to ON violates RFC 2616/13.9 and thus it is turned off by default.

PR: 41484
Submitted by: Fredrik Widlund <fredrik.widlund qbrick.com>
Reviewed by: rpluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@504183 13f79535-47bb-0310-9956-ffa450edef68
      f9b39c0b
    • Chris Darroch's avatar
      Introduce configuration groups to allow inheritance by virtual hosts of · bbe8f2dc
      Chris Darroch authored 
      database configurations from the main server.  The post_config hook function
determines the minimal set of distinct configurations necessary so that
database connection pools are shared between virtual hosts whenever possible.

The SQL statements which should be prepared for each database connection
are now stored in a hash for each virtual host during the configuration
phase, and these hashes are merged in the normal manner using
apr_hash_overlay() with that of the main server.  This allows for statements
to be de-registered by DBDPrepareSQL, if desired.  The post_config hook
function then compares the statements registered for each virtual host
when determining if a separate configuration group is required.  The
changes in r424798, r432560, r432562, and r466641, which still have problems
with configuration inheritance, are therefore no longer necessary.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@503931 13f79535-47bb-0310-9956-ffa450edef68
      bbe8f2dc
  21. Feb 05, 2007
  23. Feb 04, 2007
    • Jeff Trawick's avatar
      Update the hash table of active script pids even on paths where a · 8f93fc78
      Jeff Trawick authored 
      script process wasn't created (storing 0 for the pid in that case).
Otherwise, the remembered pid is that of the last successful script
execution for this hash key.

Prior to this patch, the wrong process could be terminated in
rare circumstances:

- A CGI process with pid 10101 is forked for connection 99.

- After the CGI exits and some time elapses, some other process gets 
  pid 10101. (Connection 99 hasn't handled another CGI request yet.)

- The next time connection 99 has a CGI process, the fork()
  or other early setup fails, so no CGI process is created.

- The remembered pid for connection 99 is still 10101.  It
  gets terminated (subject to permissions).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@503340 13f79535-47bb-0310-9956-ffa450edef68
      8f93fc78
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    • Chris Darroch's avatar
      We now create memory sub-pools for each DB connection and close DB · 581ee2b7
      Chris Darroch authored 
      connections in a pool cleanup function.  This simplifies the ap_dbd_acquire()
and ap_dbd_cacquire() functions, and also stops us from leaking ap_dbd_t
structures when using reslists.

We ensure that prepared statements are destroyed before their DB connection
is closed, in case any drivers would have problems cleaning up prepared
statements after the DB connection is closed.

The combination of reslists and memory pool cleanup functions was causing
segfaults when child processes exited, as reported in PR 39985.  To prevent
this, we register dbd_destroy() as a cleanup that will execute prior to
the internal cleanup function registered by apr_reslist_create().  When the
reslist's memory pool is destroyed, dbd_destroy() informs dbd_destruct() not
to do anything when subsequently called by the reslist's internal cleanup
function.

We avoid the use of s->process->pool (the global pool) since it isn't
destroyed by exiting child processes in most multi-process MPMs.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@496831 13f79535-47bb-0310-9956-ffa450edef68
      581ee2b7
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