Date: Thu, 6 Oct 2005 12:15:08 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: threads@FreeBSD.org Subject: SIGINFO interrupts connect() with libpthread Message-ID: <20051006121233.D84936@fledge.watson.org>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --0-1666198623-1128597308=:84936 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed I was writing test tools yesterday, and was a bit surprised to find that hitting ctrl-T interrupts connect() for applications linked against libpthread(). I wrote a simple test tool and found that this is not the case for any of the other thread libraries (which seems correct to me). Test tool attached: peppercorn:~/tmp/connect> ./connect 192.168.100.203 80 Connecting to 192.168.100.203:80 load: 0.00 cmd: connect 54400 [runnable] 0.00u 0.00s 0% 972k ^C peppercorn:~/tmp/connect> ./connect_libthr 192.168.100.203 80 Connecting to 192.168.100.203:80 load: 0.00 cmd: connect_libthr 54399 [connec] 0.00u 0.00s 0% 740k ^C peppercorn:~/tmp/connect> ./connect_libpthread 192.168.100.203 80 Connecting to 192.168.100.203:80 load: 0.00 cmd: connect_libpthread 54401 [runnable] 0.00u 0.00s 0% 844k connect_libpthread: connect(192.168.100.203 80): Interrupted system call peppercorn:~/tmp/connect> ./connect_libc_r 192.168.100.203 80 Connecting to 192.168.100.203:80 load: 0.00 cmd: connect_libc_r 54402 [runnable] 0.00u 0.00s 0% 972k ^C (note the importance of running the connect tool against an IP that won't respond, or you will connect rather than blocking) Robert N M Watson --0-1666198623-1128597308=:84936 Content-Type: TEXT/PLAIN; charset=US-ASCII; name=Makefile Content-Transfer-Encoding: BASE64 Content-ID: <20051006121508.M84936@fledge.watson.org> Content-Description: Content-Disposition: attachment; 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