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(ITS#6669) SunOS4 LWP removal patch

Full_Name: Douglas Leavitt
Version: HEAD
OS: OpenSolaris
URL: http://cr.opensolaris.org/~djl/openldap-patch1/
Submission from: (NULL) (

This is part 1 of 3 proposed patches pertaining to ITS #6625
(aka draft-zeilenga-ldap-c-api-concurrency support)
As discussed on openldap-devel@openldap.org, #6625 is to be split into 3
distinct patches.

This patch (#1) removes the SunOS 4 LWP threading API support from OpenLDAP.

SunOS4 LWP support has not been supported by Sun (now Oracle) in over a decade.
Sun's records indicate the last patch was made to the SunOS 4.1.4 patch gate
code base in 1999. The last major reelase was SunOS 4.1.3U in 1993, 4.1.1 in
1990, and SunOS 3.5 in 1988. There are known to be a small number of Solaris 2.6
and 2.7 systems still running, but Solaris 2.5.1 or earlier are statistically
very rare. Side note, Sun stops providing any support for Solaris 2.7 on August
15, 2008.

Realistically speaking this code has likely not been in use in almost 10 years,
so it's removal should have no negative effect.

IPR Notice

This patch file is derived from OpenLDAP Software. All of the modifications to
OpenLDAP Software represented in the following patch(es) were developed
by Oracle Corporation.  Oracle Corporation has not assigned rights and/or
interest in this work to any party. I, Douglas Leavitt am authorized by Oracle
Corporation, my employer, to release this work under the following terms.