9 More Discussions You Might Find Interesting
1. Red Hat
Hi,
I wanna add my own system call to Fedora 18 kernel 3.8.2.
From kernel 3.3 I heard there is a new system to add system calls.
So where i can find a guides ?
I wanna print this text: "Hello world!" in terminal, not dmesg. (4 Replies)
Discussion started by: googz
4 Replies
2. UNIX for Advanced & Expert Users
Hello Experts,
If a Solaris process is calling some syscall, and right now execution is inside syscall doing only CPU work, for example the inside simplest times syscall,
-> app_func
=> times
<< we are here now, we have entered in the times, but not exited yet
<= times
<- app_func... (9 Replies)
Discussion started by: sant
9 Replies
3. UNIX for Dummies Questions & Answers
I saw somewhere that describe read() as a primitive. But when I lean signals, it says the read() may be interrupted by a signal.
My Question:
1, What is the diffence between primitive and reentrant?
2, Is read() a primitive or reentrant?
3, Are all system calls primitive or reentrant? (2 Replies)
Discussion started by: vistastar
2 Replies
4. IP Networking
I need clarification on whether it is okay to set socket options on a listening socket
simultaneously when it is being used in an accept() call?
Following is the scenario:-
-- Task 1 - is executing in a loop - polling a listen socket, lets call it 'fd', (whose file descriptor is global)... (2 Replies)
Discussion started by: jake24
2 Replies
5. UNIX for Advanced & Expert Users
Hi all,
I am using ptrace to keep track of clone syscalls in a program. However, I found that the traced syscall cant be paired. for example, there are some syscalls that have entry, but without exit showing up in the traced sequences. So, is there anyway to distinguish the entry and exit of a... (0 Replies)
Discussion started by: tristartom
0 Replies
6. Programming
Why does this socket function only read the first 1440 chars of the stream. Why not the whole stream ? I checked it with gdm and valgrind and everything seems correct...
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include... (3 Replies)
Discussion started by: cyler
3 Replies
7. Programming
Hi all,
i just started started learning system programming and want to pursue a career in the sys prog area.
below is the program that use a fork() call.
i read in one of the tutorials that parent process and child process uses different address spaces and runs concurrently.
that meas each... (2 Replies)
Discussion started by: MrUser
2 Replies
8. UNIX for Advanced & Expert Users
Hi,
I was porting ipv4 application to ipv6; i was done with TCP transports. Now i am facing problem with SCTp transport at runtime.
To test SCTP transport I am using following server and client socket programs. Server program runs fine, but client program fails giving Invalid Arguments for... (0 Replies)
Discussion started by: chandrutiptur
0 Replies
9. Programming
I have a question regarding the recv syscall.
Suppose I have a client/server and the following exchange of message took place:
Client --> Server using multiple send syscalls one after another immediately:
send "Packet1"
send "Packet2"
send "Packet3"
Server receives in the... (2 Replies)
Discussion started by: heljy
2 Replies