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pgsql/src/backend/commands (async.c)

From: tgl(at)postgresql(dot)org
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/commands (async.c)
Date: 2000-11-28 23:27:55
Message-ID: 200011282327.eASNRtk16932@hub.org (view raw or flat)
Thread:
Lists: pgsql-committers
  Date: Tuesday, November 28, 2000 @ 18:27:55
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/commands
     from hub.org:/home/projects/pgsql/tmp/cvs-serv16908/src/backend/commands

Modified Files:
	async.c 

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

Significant cleanups in SysV IPC handling (shared mem and semaphores).
IPC key assignment will now work correctly even when multiple postmasters
are using same logical port number (which is possible given -k switch).
There is only one shared-mem segment per postmaster now, not 3.
Rip out broken code for non-TAS case in bufmgr and xlog, substitute a
complete S_LOCK emulation using semaphores in spin.c.  TAS and non-TAS
logic is now exactly the same.
When deadlock is detected, "Deadlock detected" is now the elog(ERROR)
message, rather than a NOTICE that comes out before an unhelpful ERROR.


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Subject: pgsql/src/backend/storage/ipc (ipc.c ipci.c shmem.c sinval.c sinvaladt.c spin.c)
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