Unix Programming

ANN: Seed7 Release 2008-07-07
Hello, I have released a new version of Seed7: seed7_05_20080707.tgz In the Seed7 programming language new statements and operators can be declared easily. Types are first class objects and therefore templates/generics need no special syntax. Object orientation is used when it brings advantages and not in plac... 7 Jul 2008 18:41

Remove msgget() queue from child?
Is it possible to remove a msgget() message queue from a child which is going to execvp(), while keeping the queue in the parent? At least on Linux the queue survives both fork() and execvp(), and msgctl(queue, IPC_RMID, NULL) in the child then removes the queue in the parent as well. -- Hallvard ... 8 Jul 2008 03:52

rsh cannot find executable
I have an executable under my /home/user1/bin, and i added /home/ user1/bin to my PATH when i am executing it under user1, everything is fine. user1> exec1 ... ok I made sure rsh works: user1> rsh mymachine date Mon Jul 7 14:32:09 CDT 2008 However when running exec1 with ... 7 Jul 2008 16:37

libevent not found
I need to install fragroute which has a dependency on libevent. I have already installed libevent , but still that error persists. What I should do ???? ... 8 Jul 2008 07:57

Addons on traceroute
Can any one suggest me what can I add as an extra feature in the traceroute command? ... 7 Jul 2008 09:24

server address and port
testing my web server under BSD i have used my_addr.sin_family = AF_INET; /* IPv4 address */ my_addr.sin_addr.s_addr = htonl(INADDR_ANY); /* all addresses */ my_addr.sin_port = htons(SRV_PORT); /* SRV_PORT, network order */ to set the address of webserver and its port. now i would initialize the addres... 7 Jul 2008 16:37

Solaris 5.10 cpu hike --- _flockget
"Raxit(a)mykavita.com" <raxitsheth2000(a)gmail.com> writes: I have tried much to debug, but no clue. [Only one doubt is i am using alarm() to get one thread periodically do some stuff, and in that above code is executed. Am i doing something stupid ? or any hidden Os/library bug is kidding me ? If you use a s... 6 Jul 2008 16:03

Wait_event_timeout kernel macro doubt
I've got a doubt about wait_event_timeout: DEFINE_WAIT() for(;;){ prepare_to_wait(); if(condition) break; ret=schedule_timeout(); if(!ret) break; } finish_wait(); if after prepare_to_wait but before the if statement the scheduler gets up and running (for example after an interrupt), is the calle... 7 Jul 2008 06:20

Traceroute using IP option
Where I can get the new traceroute implementation using the IP traceroute option? I already have the old thing which will send packets with ttl and the router will decrement that etc.. Now I want the new implementation that is given in the RFC 1393. If any one knows please reply? ... 5 Jul 2008 02:21

Solaris 5.10 cpu hike --- _flockget --- possible deadlock ?
On Jul 4, 11:45 am, "Ra...(a)mykavita.com" <raxitsheth2...(a)gmail.com> wrote: Hi, [sorry for repeating message again] before few times on solaris 10, one process started cosuming cpu towards 100%. I have taken pstack and gcore. And by viewing stacks of threads, its suprised to me ! 128 threa... 8 Jul 2008 08:59