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Top Forums Programming How detect TCP/IP socket shutdown when ethernet cable is disconnected Post 302436145 by jim mcnamara on Friday 9th of July 2010 09:53:47 AM
Old 07-09-2010
ping uses icmp, port 5813 (as I remember)

It is far easier simply to call popen() with a ping command ( [code]/usr/bin/ping [remote address] [code]), read the return code, than to try to rewrite ping.
 

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tapset::tcp(3stap)														tapset::tcp(3stap)

NAME
tapset::tcp - systemtap tcp tapset DESCRIPTION
This family of probe points is used to probe events that occur in the TCP layer, tcp.sendmsg Sending a tcp message See probe::tcp.sendmsg(3stap) for details. tcp.sendmsg.return Sending TCP message is done See probe::tcp.sendmsg.return(3stap) for details. tcp.recvmsg Receiving TCP message See probe::tcp.recvmsg(3stap) for details. tcp.recvmsg.return Receiving TCP message complete See probe::tcp.recvmsg.return(3stap) for details. tcp.disconnect TCP socket disconnection See probe::tcp.disconnect(3stap) for details. tcp.disconnect.return TCP socket disconnection complete See probe::tcp.disconnect.return(3stap) for details. tcp.setsockopt Call to setsockopt() See probe::tcp.setsockopt(3stap) for details. tcp.setsockopt.return Return from setsockopt() See probe::tcp.setsockopt.return(3stap) for details. tcp.receive Called when a TCP packet is received See probe::tcp.receive(3stap) for details. SEE ALSO
probe::tcp.sendmsg(3stap), probe::tcp.sendmsg.return(3stap), probe::tcp.recvmsg(3stap), probe::tcp.recvmsg.return(3stap), probe::tcp.disconnect(3stap), probe::tcp.disconnect.return(3stap), probe::tcp.setsockopt(3stap), probe::tcp.setsockopt.return(3stap), probe::tcp.receive(3stap), stap(1), stapprobes(3stap) IBM
--- tapset::tcp(3stap)
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