[389-devel] Please review: [389 Project] #627: ns-slapd crashes sporadically with segmentation fault in libslapd.so

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https://fedorahosted.org/389/ticket/627

https://fedorahosted.org/389/attachment/ticket/627/0001-Ticket-627-ns-slapd-crashes-sporadically-with-segmen.patch

 Bug Description: Schema reload task (schema-reload.pl) was not
 thread safe.

 Fix Description: Attribute Syntax is stored in the hash and
 retrieved based upon the attribute syntax.  When Schema reload
 task is invoked, the attribute syntax objects were completely
 replaced ignoring the lock protection.  This patch protects
 the attribute syntax replacement (attr_syntax_delete_all_for_
 schemareload) with the write lock.  Also, attribute syntax
 object maintains the reference count.  The schema reload
 respects the reference count instead of blindly deleting them.


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