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[svn] * src/lock.h,src/lock.c,src/noffle.c: Add lazy lock release. Only release the lock and close the databases if (a) another process signals us SIGUSR1 indicating it wants the lock, or (b) it is explicitly requested by a call to new function Lock_syncDatabases(). When waiting for the lock, SIGUSR1 the holding process every second. This is all an attempt to minimise the number of times we need to close and open the database. When (ha!) the database is replaced by something that can handle multiple simultaneous writers (with appropriate locking) this won't be necessary.
author bears
date Thu, 25 Jan 2001 13:38:31 +0000
parents 2467ff423c15
children a53d3f2f2f38
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Begin3
Title:          NOFFLE - news server 
Version:	
Entered-date:   28AUG98
Description:    NOFFLE is a news server optimized for low speed dialup
		connections to the Internet and few users.
		It allows reading news offline with many news reader
                programs, even if they do not support offline reading
                by themselves.
Keywords:       news server, news reader, offline, modem, dialup
Author:		Markus Enzenberger <markus.enzenberger@t-online.de>
Maintained-by:  Markus Enzenberger <markus.enzenberger@t-online.de>
Primary-site:   http://home.t-online.de/home/markus.enzenberger/noffle.html
Platforms:      UNIX, GNU/Linux
Copying-policy: GPL
End