This is one more bugfix version to stabilize 2.3. Beside a few minor fixes, it
provides the major rewrite of the DBM session cache expiry operation which
should solve the problems (segfaults and/or high CPU load) which occurred with
some vendor DBM libraries. All users who had DBM-related problems are strongly
encouraged to upgrade to this version.
Greetings,
Ralf S. Engelschall
[EMAIL PROTECTED]
www.engelschall.com
Changes with mod_ssl 2.3.7 (14-Jul-1999 to 25-Jul-1999)
*) Optimization for logfile handling: We now short-circuit the
filedescriptors for inherited logfiles in order to save filedescriptors.
This is important for mass virtual hosting situations where we really
have to reduce the resource consumption.
*) Enhanced the DBM-based SSL Session Cache:
o the cache DBM files are removed on shutdowns and restarts now
to prevent the occurance of DBM inconsistencies over long runs.
o the DBM store operation now stores only data which has
sizeof(key)+sizeof(data) < 1024 to make sure some broken vendor DBM
libraries do not segfault on large entries. Only with the built-in
SDBM library up to 8KB are stored.
o the expiry procedure was rewritten to prevent problems with
less smart DBM libraries: Instead of iterating and deleting in
parallel (which causes some DBM libraries to become totally crazy) a
two pass approach is used. In the first pass the DBM library is
scanned and expired elements are remembered only. In the second pass
the rememebered elements are actually deleted.
*) Fixed SSL mutex handling: the mutex file was not removed on shutdown.
*) Fixed global shared memory pool handling in alloc.c: The shared memory
related temporary files of MM were not removed because ap_mm_destroy()
was missing on exit.
*) A few adjustments anf fixes to the FAQ and added hint to OpenSA
to INSTALL.Win32.
*) Fixed ``SSLRandomSeed exec:..'' for OS/2 and Win32.
*) Fixed shared memory pool handling in alloc.c:
Two realloc() calls were not shared memory aware.
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