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I am trying to implement the below using Ksh script on a Lx machine.
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Please help me with a script with which I can check long running processes on the database server and the os is AIX.
Vishal (5 Replies)
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Hi there--I think this is more of a Windows question, but I think many of you might be able to help me out:
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Hello all, I am trying to create n child processes and control them from a parent process; say make child 3 print its pid and then child 5 do the same and some other stuff. Is there a way to accomplishing this after all the child processes are created via a call to fork().
FG (23 Replies)
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suppose that I start a process (named "father"). "father" starts in turns a process called "child" with an execv call (after a fork). In this way "father" will be notified if "chlid" crashes (SIGCHILD mechanism). The problem is:
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NETROM(4) Linux Programmer's Manual NETROM(4)
AF_NETROM - NET/ROM amateur packet radio protocol family
NET/ROM is a protocol used extensively by radio amateurs. The Linux NET/ROM protocol family permits access to these protocols via the stan-
dard networking socket metaphor.
The NET/ROM protocol layer only supports connected mode. IP traffic may be stacked on top of NET/ROM frames using a non-standard extension
to the NET/ROM protocol.
The only mode of operation is connected mode which is the mode used for a socket of type SOCK_SEQPACKET (stream sockets are not available
in NET/ROM). This requires that the user ensures output data is suitably packetised, and that input data is read a packet at a time into a
buffer of suitable size.
NET/ROM addresses consist of 6 ascii characters and a number called the SSID. These are encoded into a sockaddr_ax25 structure which is
provided to the relevant system calls.
NET/ROM has some unusual properties. Notably in a multi-user system an AX.25 address is often associated with a user, and some users may
not have such an association. a set of ioctl calls are provided to manage an association table.
NET/ROM supports the following socket options for SOL_NETROM. NETROM_T1 is the T1 timer in 1/10ths of a second, NETROM_T2 is the T2 timer
in 1/10ths of a second. NETROM_N2, the retry counter is also configurable. There is no 'infinite retry' option supported however. It is
possible for an application to request that the NET/ROM layer return the NET/ROM header as well as the application data, this is done via
the NETROM_HDRINCL socket option.
call(1), socket(2), setsockopt(2), getsockopt(2), nrbroadcast(5), nrports(5), netromd(8), noderest(8), nodesave(8), nrparms(8).
Jonathan Naylor G4KLX <firstname.lastname@example.org>
Linux 25 July 1996 NETROM(4)