Обсуждение: pgsql/src/backend/utils/mmgr (aset.c)

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pgsql/src/backend/utils/mmgr (aset.c)

От
tgl@postgresql.org
Дата:
  Date: Friday, January 12, 2001 @ 16:54:01
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/utils/mmgr
     from hub.org:/home/projects/pgsql/tmp/cvs-serv92773/src/backend/utils/mmgr

Modified Files:
    aset.c

-----------------------------  Log Message  -----------------------------

Add more critical-section calls: all code sections that hold spinlocks
are now critical sections, so as to ensure die() won't interrupt us while
we are munging shared-memory data structures.  Avoid insecure intermediate
states in some code that proc_exit will call, like palloc/pfree.  Rename
START/END_CRIT_CODE to START/END_CRIT_SECTION, since that seems to be
what people tend to call them anyway, and make them be called with () like
a function call, in hopes of not confusing pg_indent.
I doubt that this is sufficient to make SIGTERM safe anywhere; there's
just too much code that could get invoked during proc_exit().