10 More Discussions You Might Find Interesting
1. Programming
I'm trying to properly connect three processes in order to allow inter-process communication between them. I have one process, scanner, which takes the parent's STDIN and then processes the words within the stream. If a word length is odd, it sends it to one process, if it is even, it sends it... (7 Replies)
Discussion started by: thomascirca
7 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
I am trying to get a better understanding of pipes and processes. I have code in which I link 3 processes A,B,C. I have A->B->C but how would I go about getting C->A?
Here is my code:
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
main()
{
pid_t A, B, C;
int fd;
int fd2;
... (1 Reply)
Discussion started by: tfarmer4
1 Replies
4. UNIX for Dummies Questions & Answers
hey everyone,
I'm reading a tutorial on the Mach kernel principles, however, the port and port rights part are kind of confusing to me. I don't know if the book has typos or something but it seems a bit contradictory. It says that "ports, themselves, are not named. It is the port rights that are"... (10 Replies)
Discussion started by: neur0n
10 Replies
5. 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
6. Solaris
I was asked to look into a problem with a Sun Netra 440 in another department. On the server in question, the relevant 'uname -a' information is, "SunOS host1 5.9 Generic_118558-16 sun4u sparc SUNW,Netra-440". That information aside, while the other admin is logged into the ALOM, these errors are... (0 Replies)
Discussion started by: Borealis
0 Replies
7. Solaris
Hi
Is there an easy way to identify and group currently running processes into OS processes and APP processes. Not all applications are installed as packages.
Any free tools or scripts to do this?
Many thanks. (2 Replies)
Discussion started by: wilsonee
2 Replies
8. UNIX for Advanced & Expert Users
Is there a way to monitor certain processes and if they hang too long to kill them, but certain scripts which are expected to take a long time to let them go?
Thank you
Richard (4 Replies)
Discussion started by: ukndoit
4 Replies
9. UNIX for Dummies Questions & Answers
I have a parent that is passing data to child A and then child A has to process it and pass to child B. I am able to pass the data to child A but am not able to pass it to child B. Child B seems to only be receiving the last data instead of the whole data.
I saw one example in a book but it uses... (1 Reply)
Discussion started by: scmay
1 Replies
10. Filesystems, Disks and Memory
Hello!
How I can increase or decrease predefined pipe buffer size?
System FreeBSD 4.9 and RedHat Linux 9.0
Thanks! (1 Reply)
Discussion started by: Jus
1 Replies