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[Xen-devel] pthread_mutex_lock() and Xenstored

from [Peter Teoh] [Permanent Link][Original]
To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] pthread_mutex_lock() and Xenstored
From: Peter Teoh <htmldeveloper@xxxxxxxxx>
Date: Fri, 31 Aug 2007 13:51:18 +0800
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pthread_mutex_lock() are not async-signal safe (ref:
but I still see that it is used extensively in xenstored implementation (eg, xs.c).
 
Moreover, pthread_mutex_lock() suffered a higher performance penalty than other synchronization option.   For a one-time effort like domain creation this is ok, but Xenstore is used repeatedly to access data, and therefore performance could potentially be enhanced.
 
Does all these sound logical?
 
 
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