Stack Overflow
Stack Overflow

Questions tagged [dynamic-loading]

Mechanism for a computer program to load a library (or other binary) into memory at runtime. Allows retrieving addresses of functions and variables contained in the library, executing functions, accessing variables, and unloading library from memory.

378 questions
6
votes
3 answers

Max number of appdomains loaded in one process

Since dynamic assembly loading requires appdomain loading to enable killing the assembly with unloading related appdomain, is there a "max" number appdomains in a process to be loaded? I am thinking of a server based application that each user can…
ali_bahoo
  • 4,732
  • 6
  • 41
  • 63
6
votes
4 answers

What's the simplest way to write portable dynamically loadable libraries in C++?

I'm working on a project which has multiple similar code paths which I'd like to separate from the main project into plugins. The project must remain cross-platform compatible, and all of the dynamic library loading APIs I've looked into are…
jakogut
  • 4,409
  • 6
  • 29
  • 41
6
votes
1 answer

Is there a load leak if dlopen() is called from a dlopen'd library?

If my executable calls dlopen to load a library but neglects to call dlclose, the library will stay loaded until the process exits and the OS forces it to unload. If I load a.so which loads b.so, then call dlclose on a.so, does the OS unload b.so as…
Kietz
  • 1,186
  • 11
  • 19
6
votes
0 answers

Is it bad to enable Dead Code Stripping?

My iOS project uses dlsym to dynamically point to an optional C library. Optional as-in the project can run with our without it, it just adds features. For background info: Detect and use optional external C library at runtime in Objective-C The…
Nathan H
  • 48,033
  • 60
  • 165
  • 247
6
votes
6 answers

What are the advantages of loading DLLs dynamically?

Looking for the advantages of loading DLLs dynamically as opposed to letting your application load the DLLs by default.
James
  • 80,725
  • 18
  • 167
  • 237
6
votes
1 answer

Progress of loading external JS file

I'm not sure what this would be called to know what to search for, if this is a duplicate please link me :) Is it possible in JavaScript in a browser, to load an external file (this bit is easy), but given that the external file could be rather…
Phill
  • 18,398
  • 7
  • 62
  • 102
6
votes
3 answers

Is it safe to call dlclose(NULL)?

I experience a crash when I pass a null pointer to dlclose. Should I check for null before calling dlclose? POSIX tells nothing about this: http://pubs.opengroup.org/onlinepubs/7908799/xsh/dlclose.html Is it undefined behaviour or a bug in dlclose…
Vanuan
  • 31,770
  • 10
  • 98
  • 102
5
votes
1 answer

Dynamic loading of Haskell abstract syntax expression

Can we use GHC API or something else to load not text source modules, but AST expressions, similar to haskell-src-exts Exp type? This way we could save time for code generation and parsing.
modular
  • 1,099
  • 9
  • 22
5
votes
1 answer

Overlapping mappings for loaded ELF segments

I'd like to understand a detail of how the dynamic loader creates mappings for ELF segments. Consider a tiny shared library linked with GNU ld. The program headers are: Type Offset VirtAddr PhysAddr FileSiz MemSiz …
dyp
  • 38,334
  • 13
  • 112
  • 177
5
votes
2 answers

Configuration which allows to disable cloud stream?

I have a spring boot application which has two functionalities Http requests and kafka Messages handling. I want this application to run in mode which is enabled from application.yml i.e if the user wants to enable it only for http requests then…
Nischal Revooru
  • 195
  • 2
  • 10
5
votes
1 answer

How to compile runtime-generated Angular8 code?

I'm creating Angular code at runtime, in particular, I use a SVG library in order to create a vector graphic that contains Angular code directives like (click)='myMethod()', which, in turn, call methods I've statically defined in the SVG-enclosing…
Jan B.
  • 6,030
  • 5
  • 32
  • 53
5
votes
0 answers

Dynamically load firebase config params for different environments

I am using firebase topic subscription to push notifications in my Electron app. As of now I am hardcoding all the config properties like authorization key, topic, senderId etc in my app. Is there any way I can access these params based on the…
Kshama Jain
  • 111
  • 1
  • 8
5
votes
1 answer

Why is JDBC dynamically loaded instead of imported?

In JDBC, I only see examples using Class.forName("com.mysql.jdbc.Driver", true, cl); and haven't seen one using import com.mysql.jdbc.Driver; Is it because we want to let a driver package be dynamically provided at execution time, so can be known…
Tim
  • 1
  • 141
  • 372
  • 590
5
votes
0 answers

Dynamic loading, dynamic linking

I was reading the difference between dynamic loading and dynamic linking. (Dynamic loading vs Dynamic linking.) From there I found this useful answer by Jeff Darcy combination of linking and loading In the third type i.e, Dynamic loading, dynamic…
ppandey
  • 311
  • 2
  • 3
  • 9
5
votes
1 answer

Does static initialization (and/or other) code get run when dlopen'ing?

When you dlopen() a shared object, is there a mechanism for having code in that DLL execute without being called explicitly? Specifically, C++ static initialization code for globals/statics which the caller of dlopen() might not know about? I'm…
einpoklum
  • 118,144
  • 57
  • 340
  • 684
1 2
3
…
25 26