UNIX/Linux Programming - C++ Forum

Hi, I've just been playing around with dlopen() and dlsym() , and run into a problem. dlopen() apparently loads the shared library without any trouble...

[5 replies] Last: I'm not aware of any. cxxabi.h defines the demangle function, but n... (by jsmith)

by lipune

unix command

Is there any command to know which shell u r currently working and how to shift between k shell to c shell ,like wise

[2 replies] Last: echo $SHELL will give you the current shell you are working with. Als... (by nagubadi)

by lionel743

HOWTO : Validating of XML with XSD

Hi,I was wondering if there is a way to do validation of XML file with XSD using C++? Any advice would be a great help! Thanks! Regards, Lionel

[no replies]

by BrianM25

threads, signals, and queues

Hello, I have been searching around for some information about a problem I have been having but haven't been able to find anything or I can't figure out how to ...

[2 replies] Last: Thank you for your reply. I did look into the pthread_sigmask but c... (by BrianM25)

by theChameleon

Sockets over the 'net.

hello, im need to know must i do to "talk" to the server as shown below. Client (192.168.1.200) --> router (123.123.123.123) --> Internet --> router (210.2...

[4 replies] Last: Unfortunately I don't know how you will get the IP/port you need. The... (by jsmith)

by renegade007

Problem with Shared Memory

Hi, I have been trying to implement shared memory using C++ in Linux (Ubuntu) and there is a problem that I have been unable to solve for one week. Ok thi...

[no replies]

by tnjones

How to use select() with sockets

I have this project where I have to open several sockets to see if a range of ports are open/close. I am opening the sockets but I don't understand how to apply...

[1 reply] : Sockets are just file descriptors, so use select() like with any file ... (by Daper)

by puneetmishramau

wish to learn unix

Hello friends i wish to learn unix from scratch including shell scripting.I am basically an electronics engineer so no idea about it.can anybody suggest me ...

[5 replies] Last: Opensuse is a great distro for linux noobies. If you use the gnome ver... (by Cerburos)

by ljshap

List of running applications/programs

Is there a way to get a list of running applications (not processes) in C++. I tried experimenting with ps from bash, but can't figure out how to select ...

[4 replies] Last: Just don't give up, and good luck :-) Thanks for your encoragem... (by ljshap)

by tnjones

How to work with system calls in linux using C++

Hello, I am doing this program where I am using system("ping hostip"), instead of displaying the ping info I want to store rather the host is reachable or not....

[4 replies] Last: Also, if you are looking for a way to just read the output of the syst... (by justind)

by dave247

trying to make a script to go thru multiple files and pull out #'s

ok i have a folder with many files with different names and am trying to figure out how to make a c++ script to go through them all and pull out some numbers fr...

[1 reply] : Is there any reason not to use find & sed? If there is, read the di... (by exception)

by sankari27

to make "read()" no return until read all the bytes requiered

Hello, I have one application that reads and writes from the serial port. Sometimes the function read(): "read(fd,buffer,numbytes)" returns a number < nu...

[1 reply] : Why don't you just write a wrapper function for read that doesn't retu... (by jsmith)

by softech

Segmentation fault outputting dynamic array

#include<iostream> #include<string> using names...

[2 replies] Last: You are walking past the end of your cName array inside your first whi... (by jsmith)

by zakkhoyt

Eclipse Debug Stepping is Madening!!!!

Okay, I'm at a complete loss here. I'm using eclipse/c++ to write and debug some code. I set a breakpoint.... fine. Execution stops there. The problems come whe...

[3 replies] Last: Please don't make multiple topics regarding your issue. Your issue ... (by Zaita)

by kavithada

reg- simulating task using c++ threads on Linux platform

Hi all, I want to implement scheduling algorithm using C++. I don't know how to simulate a task set using threads in the Linux platform for the multicore proc...

[1 reply] : http://www.boost.org/doc/libs/1_35_0/doc/html/thread.html (by Zaita)

by deepati

Regarding Shared Memory

Hello, I want to use shared memory to write/read in a map. Can anyone guide me through a sample code. Thanks Deepak

[1 reply] : http://www.ibm.com/developerworks/linux/library/l-syncevent.html?ca=dg... (by Zaita)

by aghashahi

How to detect usb storage arrival and its mount path from C

Hi, I am a newbi to linux, i wana to write a program in C that can detect arrival of a usb flash memory. I want also to find the actual mount point of new inse...

[3 replies] Last: English please. And yes, that other question is debatable. However,... (by Zaita)

by aghashahi

How to enumerate USB Mass Storage devices?

Hi all, I want to write a program in C that can enumerate all USB massand their mount point storage on my system. i want to give ability to copy one file to de...

[no replies]

by Threepwood

Send random numbers as udp

Hi! I am kind of a newbie programmer that just got stuck on a problem and hope for a bit of help. I am making a program that should generate random values for...

[no replies]

by ppmim

System call and DMA blocking

Dear programmers, I have a problem concerning with the 'system' call. I am developing an application (APP1) that handle a data acquisition card which make u...

[1 reply] : Yes, there is the exec*() family of functions, but system() more than ... (by jsmith)

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UNIX/Linux Programming - October 2008