Add lots of unique tags to error log messages

fill in conn_rec::current_thread for WinNT, NetWare, and OS/2 MPMs

OS/2: Add support for ThreadStackSize.

Use the new APLOG_USE_MODULE/AP_DECLARE_MODULE macros everywhere to take advantage of per-module loglevels

Brind OS/2 MPM up to date with current API.

Bring OS/2 MPM back from the dead. Reverses r758899.

remove OS/2 MPM

Remove all references to CORE_PRIVATE.

update license header text

Update the copyright year in all .c, .h and .xml files

No functional change: remove "internal" tab spacing/formatting.

No functional Change: Removing trailing whitespace. This also means that "blank" lines consisting of just spaces or tabs are now really blank lines

No functional change: simple detabbing of indented code.

Update copyright year to 2005 and standardize on current copyright owner line.

fix name of The Apache Software Foundation

fix copyright dates according to the first check in

apply Apache License, Version 2.0

update license to 2004.

Rework OS/2 MPM to use the pollset API.

switch to APR 1.0 API (which is still in flux) because of the changes to the argument lists of apr_mmap_dup and apr_socket_create, 2.1-dev won't build with apr and apr-util's 0.9 branch anymore

Updated the various MPM's to use the new bucket_alloc_create_ex API when necessary. Which is to say that it's necessary in all cases except for prefork, where the change to apr-util to have it use the allocator from the pool passed in is already sufficient. Reviewed by: Jean-Jacques Clar, Sander Striker, Brad Nicholes

finished that boring job: update license to 2003. Happy New Year! ;-))

Bring Apache in line with APR's new poll implementation. This isn't optimal, because it still uses the compatibility functions to make it work, but it does work. The next step will be to take the memory for the pollsets under Apache's control.

stop using APLOG_NOERRNO in calls to ap_log_?error()

When an exception in a worker thread initiates a child shutdown, get things moving sooner by sending a SIGHUP to the accept thread, breaking it out of its accept/poll.

apr_bucket_alloc_create() now registers a cleanup that does a apr_bucket_alloc_destroy(). Don't double free by calling it explicitly.

Destroy the connection pool (and therefore run the cleanups) before destroying the bucket_alloc as the cleanups refer to buckets allocated by the bucket_alloc.

BUCKET FREELISTS Add an allocator-passing mechanism throughout the bucket brigades API. From Apache's standpoint, the apr_bucket_alloc_t* used throughout a given connection is stored in the conn_rec by the create_connection hook. That means it's the MPM's job to optimize recycling of apr_bucket_alloc_t's -- the MPM must ensure that no two threads can ever use the same one at the same time, for instance.

Update our copyright for this year.

When firing up a new child process, wipe clean the set of worker_score records we're going to use as they could contain leftovers from a previous child. This solves a problem where a non-graceful restart followed by a graceful restart would leave previous generation children stuck waiting for non-existant worker threads to terminate.

Reintroduce the create_connection hook. This hook is required to enable modules to completely take over all network i/o from the core.

This patch restores most of Ryan's patch (11/12/2001) to remove the client_socket from the conn_rec. Diffs from Ryan's patch include: - rename the create_connection hook to install_transport_filters - move the point of invocation of the hook till after the call to after ap_update_vhost_given_ip to enable the hook to use vhost config info in its decision making.

Remove the create_connection hook and put the client_socket back into the conn_rec. The create_connection_hook has a design flaw that prevents it from making decisions based on vhost information.

Get OS/2 MPM working again after last scoreboard changes.

This patch eliminated from the _SHARED_ segment of the scoreboard all pointer math. This is required for portable scoreboards. vhost becomes the 'vhost name string' so it now survives ap_generation clicks. next was apparently never used. This patch also accounts for the changes to the apr_shm api, and gives Win32 the magic of a shared scoreboard. Breakage aplenty on non-win32 platforms, I suspect, but this radical surgery, and culling of unused functions, was really, really needed.

Update OS/2 MPM to allow for run-time configurable scoreboard size.

Add a missing hook run.

Change core code to allow an MPM to set hard thread/server limits at startup.

Pull lingering close out of the pool cleanup phase. This was causing too many bugs. Instead, it is called where it used to be called. I have abstracted some of the logic out of the lingering close so that it gets the socket from the connection using the core's conn_config vector. This is in anticipation of a change to use a hook for the lingering close, which I hope to do soon.

Add the server_rec argument back to the create_connection hook. Submitted by: Greg Stein

Remove more network logic from the MPMs. Essentially, each MPM can define AP_MPM_DISABLE_NAGLE_ACCEPTED_SOCK, which tells Apache to disable_nagle on the accepted socket.

Begin to abstract out the underlying transport layer. The first step is to remove the socket from the conn_rec, the server now lives in a context that is passed to the core's input and output filters. This forces us to be very careful when adding calls that use the socket directly, because the socket isn't available in most locations.

Remove ap_lingering_close from all of the MPMs. This is now done as a cleanup registered with the connection_pool. I have also turned ap_lingering_close into a static function, because it is only used in connection.c. This is the next step to consolidating all of the socket function calls. ap_lingering_close will only be added if the core is dealing with a standard socket.

Catch exceptions in worker threads so a segfault doesn't kill all active connections in the process. When this occurs, a graceful shutdown of the child is initiated so any leaked resources & hosed memory is disposed of ASAP.

New multi-process multi-threaded MPM for OS/2. Not fully polished but works better than spmt_os2 already (graceful restarts actually work). A summary of the process/thread structure is provided in the comments at the start of mpmt_os2.c