[Rpm-maint] [rpm-software-management/rpm] ndb: do not mmap the index database read-write all the time (#1176)

Michael Schroeder notifications at github.com
Tue Apr 14 09:35:09 UTC 2020


Use read-only mapping for the index databases if the user only requested read-only database access. Also map the xdb database header read-only and only switch to a read-write mapping if an operation is done that needs write access.
You can view, comment on, or merge this pull request online at:

  https://github.com/rpm-software-management/rpm/pull/1176

-- Commit Summary --

  * ndb: also copy the mapped pointer when keeping a slot
  * ndb: do not map the index databases read-write all the time
  * ndb: do not map xdb's header read-write all the time
  * ndb: unmap xdb's header when closing the xdb database
  * Add an index sync call at the end of a database rebuild
  * ndb: make rpmxdbWriteHeader a void function

-- File Changes --

    M lib/backend/ndb/glue.c (11)
    M lib/backend/ndb/rpmidx.c (8)
    M lib/backend/ndb/rpmidx.h (2)
    M lib/backend/ndb/rpmxdb.c (67)
    M lib/rpmdb.c (1)

-- Patch Links --

https://github.com/rpm-software-management/rpm/pull/1176.patch
https://github.com/rpm-software-management/rpm/pull/1176.diff

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