Sponsored Content
Top Forums Programming Conditions/suggestions to use shared library in C/C++ coding Post 303017590 by yifangt on Friday 18th of May 2018 11:25:48 AM
Old 05-18-2018
Thanks Bakunin! That helps a lot.
"You seem to not understand how executable code is produced from source code." Have some ideas about it, but not much practical experience.Never tried dissection of the executable code from source code. However, this is not what I want to learn.

That is: which data it expects and what it gives back. That fits exactly what I'm struggling with, as I know the raw data I have at hand and what I expect to get with the raw data.Believe this is all the programs do.

you "need" the header filles and the library itself. Of course you need to know what the functions do, so some text documentation is also necessary. This gives me more information on my question. I need more practice to get my feet wet, and soaked!

Thank you all for the replies!
 

10 More Discussions You Might Find Interesting

1. Programming

Shared Library

hello all I want to work in shared libraries how can i work in Linux Environment ? (2 Replies)
Discussion started by: rajashekaran
2 Replies

2. UNIX for Advanced & Expert Users

shared library

What is the primary difference between static library and dynamic library? and how to write static shared library? (1 Reply)
Discussion started by: areef4u
1 Replies

3. Programming

Shared memory in shared library

I need to create a shared library to access an in memory DB. The DB is not huge, but big enough to make it cumbersome to carry around in every single process using the shared library. Luckily, it is pretty static information, so I don't need to worry much about synchronizing the data between... (12 Replies)
Discussion started by: DreamWarrior
12 Replies

4. Programming

Using funcion in a shared library

Is there any way in C to access a function in C shared library. I have used dlopen to access /load the c shared library but unable to use the function in the shared object. Thanks in advance :b: (1 Reply)
Discussion started by: yhacks
1 Replies

5. Programming

Shared memory for shared library

I am writing a shared library in Linux (but compatible with other UNIXes) and I want to allow multiple instances to share a piece of memory -- 1 byte is enough. What's the "best" way to do this? I want to optimize for speed and portability. Obviously, I'll have to worry about mutual exclusion. (0 Replies)
Discussion started by: otheus
0 Replies

6. Shell Programming and Scripting

Suggestions/Recommendations for coding

#!/bin/sh #set -x uploaddir="/u01/app/informatica/dev3/sample/GPMDir/UploadDir" processdir="/u01/app/informatica/dev3/sample/GPMDir/ProcessDir" datetime=`date +%Y%m%d` logdir="$processdir/GPMLogFile_$datetime.log" echo "<---------------Start Copying & Moving GPM Files To Process... (0 Replies)
Discussion started by: Ariean
0 Replies

7. Shell Programming and Scripting

How to change a Makefile from building static library to shared library?

Hi: I have a library that it only offers Makefile for building static library. It built libxxx.a file. How do I in any way build a shared library? (either changin the Makefile or direct script or command to build shared library) Thanks. (1 Reply)
Discussion started by: cpthk
1 Replies

8. UNIX for Dummies Questions & Answers

Shared static library

Hello Please what does mean shared static library and LD-Preload? Thank you (3 Replies)
Discussion started by: chercheur857
3 Replies

9. Programming

Shared library with acces to shared memory.

Hello. I am new to this forum and I would like to ask for advice about low level POSIX programming. I have to implement a POSIX compliant C shared library. A file will have some variables and the shared library will have some functions which need those variables. There is one special... (5 Replies)
Discussion started by: iamjag
5 Replies

10. AIX

Add shared members from library to same library in a different directory

I'm trying to install libiconv to AIX 7.1 from an rpm off of the perzl site. The rpm appears to install but I get this error message. add shr4.o shared members from /usr/lib/libiconv.a to /opt/freeware/lib/libiconv.a add shr.o shared members from /usr/lib/libiconv.a to ... (5 Replies)
Discussion started by: kneemoe
5 Replies
libdl(3LIB)							Interface Libraries						       libdl(3LIB)

NAME
libdl - dynamic linking library SYNOPSIS
cc [ flag... ] file... -ldl [ library... ] DESCRIPTION
Historically, functions in libdl provided for dynamic linking support. This functionality now resides in libc(3LIB). This library is maintained to provide backward compatibility for both runtime and compilation environments. The shared object is imple- mented as a filter on the runtime linker. See ld.so.1(1). New application development need not specify -ldl. INTERFACES
The shared object libdl.so.1 provides the following public interfaces. See Intro(3) for additional information on shared object interfaces. dladdr dladdr1 dlclose dldump dlerror dlinfo dlmopen dlopen dlsym FILES
/lib/libdl.so.1 shared object /lib/64/libdl.so.1 64-bit shared object ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsl (32-bit) | +-----------------------------+-----------------------------+ | |SUNWcslx (64-bit) | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
ld.so.1(1), pvs(1), Intro(3), libc(3LIB), attributes(5) SunOS 5.11 24 Mar 2004 libdl(3LIB)
All times are GMT -4. The time now is 12:13 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy