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pgsql/src/backend/storage/ipc (spin.c)

From: tgl(at)postgresql(dot)org
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/storage/ipc (spin.c)
Date: 2001-01-12 21:53:59
Message-ID: 200101122153.f0CLrxR92828@hub.org (view raw or flat)
Thread:
Lists: pgsql-committers
  Date: Friday, January 12, 2001 @ 16:53:59
Author: tgl

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

Modified Files:
	spin.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().


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