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To: river_robert@yahoo.com.cn
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: "sleep" "select" system call not work correctly when linking
 with multithread libray--FreeBSD 4.5
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In message: <20050224062755.6A3A143D72@mx1.FreeBSD.org>
            "River" <river_robert@yahoo.com.cn> writes: 

: This is select testing program-- When time is set backward,the
: program linked with "-pthread" option did not continue printing
: anything. But using the program linked with standard library,
: printing did not affected by system time backward and all is OK.

This is a well know bug.  The problem is that the threading library
unwisely uses absolute times for the various events...

Warner