10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
i have a demon 'c' program that have a dynamic table of logic registers ( 2000 variables ).
exemple of registers:
I1.34.5
M23.4.1
I want from shell acess to this table of registers.
How can i do this?
with something like for read I1.34.5:
#cat... (3 Replies)
Discussion started by: rzyz
3 Replies
2. Programming
I want to have a message send & receive through 2 half-duplex pipes
Flow of data
top half pipe
stdin--->parent(client) fd1--->pipe1-->child(server) fd1
bottom half pipe
child(server) fd2---->pipe2--->parent(client) fd2--->stdout
I need to have boundary structed message... (1 Reply)
Discussion started by: ouou
1 Replies
3. Programming
Hi guys, I'm having some problem here, I'm studying pipes, and i want to create a shell in C and at this point a don't want to use semaphores, instead I want to use tricks. Straight to the doubt: I've a parent and a child process, and both of them has some code to execute, and the child process... (5 Replies)
Discussion started by: pharaoh
5 Replies
4. OS X (Apple)
If I open two bash shells and telnet from Shell 2 to a remote server (on the Net), is there a way to direct input from Shell 1 to the telnet shell?
The telnet shell is a limited environment with a specific command set.
I want to direct commands from Shell 1 and, if possible, put 1-second... (2 Replies)
Discussion started by: xinUoG
2 Replies
5. Programming
I need help!Many Thanks!
Now,I try to manage the shared memory inter-process .
Inevitably,I have to deal with the synchronous.
I know the pthread_rwlock in posix,and I compile ,then run successfully in Red Hat Enterprise 4.
I have a doubt about whether the Posix supports the system such as... (1 Reply)
Discussion started by: weizh
1 Replies
6. UNIX for Advanced & Expert Users
Hi,
Anyone knows whether it is possible to link/relate an IPC semaphore to a particular process ID?
e.g.
# ipcs -as
IPC status from <running system> as of Wednesday July 2 14:10:39 EST 2008
T ID KEY MODE OWNER GROUP CREATOR CGROUP NSEMS OTIME CTIME... (8 Replies)
Discussion started by: Solarius
8 Replies
7. UNIX for Advanced & Expert Users
Hi,
I am thinking about writing a log daemon for a multi-processed ksh application (yes - I know that high-level language would be a better option).
My question is as follows:
If many processes (many scripts) will try writing to a single log file:
print "message" > common.log
Will it work or... (2 Replies)
Discussion started by: adderek
2 Replies
8. HP-UX
Hi All,
i am running a oracle procedure which writes a file . The same file is picked up by another script which runs in a cron after every 5 minutes.
Now the problem is that sometimes my script picks up a file while the procedure is still writing data in the file.
is there is any way i... (4 Replies)
Discussion started by: saurabhjain
4 Replies
9. Programming
Hi,
I have the following problem. I have 2 programs, a java program and a c++ program. These 2 programs have to communicate with each other in full duplex mode. I want to use pipes for this communication. So when the c++ program pust something on the stdout the java program must be able to read... (4 Replies)
Discussion started by: lmnt22
4 Replies
10. Programming
unix IPC
i would like to know the method of usage of semaphores on shared memory segments the topic seems very difficult to understand mainly when difrent proceses communicate instantly and how do i avaoid deadlock situation (2 Replies)
Discussion started by: kamathanil
2 Replies
12-07-2008
