当前位置：网站首页>Use graalvm native image to quickly expose jar code as a native shared library

Use graalvm native image to quickly expose jar code as a native shared library

2022-07-02 20:03:00 【dalongrong】

Mainly from jgrapht Of capi Learned , Say, tidy up , Later you can use

Reference play


  • Code definition 


       

        package org.pkg.implnative;
       

       
    
        
  • 1.
    • 
       


       

        import org.graalvm.nativeimage.c.function.CEntryPoint;
       

       
    
        
  • 1.
    • 
       
       

        import org.graalvm.word.Pointer;
       

       
    
        
  • 1.
    • 
       


       

        public final class NativeImpl {
       

       
    
        
  • 1.
    • 
       
       

        @CEntryPoint(name = "Java_org_pkg_apinative_Native_add")
       

       
    
        
  • 1.
    • 
       
       

        public static int add(Pointer jniEnv, Pointer clazz, @CEntryPoint.IsolateThreadContext long isolateId, int a, int b) {
       

       
    
        
  • 1.
    • 
       
       

        return a + b;
       

       
    
        
  • 1.
    • 
       
       

        }
       

       
    
        
  • 1.
    • 
       
       

        }
       

       
    
        
  • 1.
    •



  • Generating shared libraries

Use it directly maven plugin It is also a good method 




       

        $GRAALVM/bin/native-image --shared -H:Name=libnativeimpl -cp nativeimpl
       

       
    
        
  • 1.
    •



  • effect

Use graalvm native-image Rapid exposure jar The code is native Shared library _java



explain

be based on graalvm We can achieve something like golang Of export Ability , It's very convenient

Reference material

https://www.graalvm.org/reference-manual/native-image/ImplementingNativeMethodsInJavaWithSVM/

https://github.com/jgrapht/jgrapht-capi

原网站

版权声明
本文为[dalongrong]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/02/202202151402338786.html

边栏推荐

猜你喜欢

随机推荐