Date: Sat, 26 Jul 2003 23:52:13 +0300 From: "Petri Helenius" <pete@he.iki.fi> To: <deischen@freebsd.org>, "David Xu" <davidxu@freebsd.org> Cc: freebsd-threads@freebsd.org Subject: Re: libkse "wieght" Message-ID: <002701c353b7$cb29a310$812a40c1@PETEX31> References: <Pine.GSO.4.10.10307261025370.1253-100000@pcnet5.pcnet.com>
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>Libkse caches up to 100 threads for you, and throws away any more than >that to free(). There is still a bit of set up to do with a libkse >cached thread (makecontext(), add the thread to the run queue, etc), >but it should be faster than creating a thread from scratch. This sounds great, would probably catch most of the cases I´m thinking about without having to reach outside the cache that often. On a related note, looking at the code it seems to me that getaddrinfo holds a mutex while it´s waiting for get lookup to complete so if there is a stalled DNS lookup all other threads wait on the mutex? Is this observation correct? Pete
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