09-08-2010
Forking and Pinging
Keep in mind that I haven't done Perl scripting for a LONG time, so I'm quite rusty.
This is what I would like to do:
- using fork, create 3 or 4 processes to read 3 or 4 different text documents containing server names or IP addresses
- in each of those processes, Perl will ping each of those server names or IP addresses to see if they are pingable
- when the result is known, it will be outputted into a seperate text file (or logfile)
I'm just wondering if this can be done or not (theoretically). I basically want to ping multiple things at the same time, using fork.
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statd(1M) statd(1M)
NAME
statd, rpc.statd - network status monitor
SYNOPSIS
DESCRIPTION
is an RPC server. It interacts with to provide the crash and recovery functions for the locking services on NFS (see lockd(1M)).
keeps track of the clients with processes which hold locks on a server. When the server reboots after a crash, sends a message to the on
each client indicating that the server has rebooted. The client processes then informs the on the client that the server has rebooted.
The client then attempts to reclaim the lock(s) from the server.
on the client host also informs the on the server(s) holding locks for the client when the client has rebooted. In this case, the on the
server informs its that all locks held by the rebooting client should be released, allowing other processes to lock those files.
Options
recognizes the following options and command-line arguments:
This is an obsolete option. All messages and errors are logged to
WARNINGS
The crash of a server is only detected upon its recovery.
FILES
lists hosts and network addresses to be contacted after a reboot
lists hosts and network addresses that could not be contacted after last reboot
includes a number which changes during a reboot
AUTHOR
was developed by Sun Microsystems, Inc.
SEE ALSO
lockd(1M), fcntl(2), lockf(2), signal(2), sm(4).
statd(1M)