استدعاء وظائف الصدأ من Go

use std::thread;

#[no_mangle]
pub extern "C" fn process() {
    let handles:Vec<_> = (0..10).map(|_|{
        thread::spawn(||{
            let mut x = 0;
            for _ in 0..5_000_000 {
                x += 1
            }
            x
        })
    }).collect();

    for h in handles {
        println!("Thread finished with count={}",
                 h.join().map_err(|_| "Could not join thread!").unwrap());
    }
    println!("Done!");
}

نوع الصندوق = ["cdylib"]

من الجدير بالذكر أن libembed.dylib هي مكتبة على نظام التشغيل Mac OS ، وعلى Linux ستكون libembed.so ، وعلى Windows ستكون libembed.dll

شكرا: bingo347

بناء البضائع - إطلاق

package main

/*
#cgo LDFLAGS: -L./lib -lembed
#include "./lib/process.h"
*/
import "C"

func main() {
	C.process()
}

اذهب build -ldflags = "- r / lib" main.go

extern crate libc;
use std::thread;
use std::ffi::CStr;

#[no_mangle]
pub extern "C" fn process(name: *const libc::c_char) {

    let buf_name = unsafe { CStr::from_ptr(name).to_bytes() };
    let str_name = String::from_utf8(buf_name.to_vec()).unwrap();

    let handles:Vec<_> = (0..10).map(|_|{
        thread::spawn(||{
            let mut x = 0;
            for _ in 0..5_000_000 {
                x += 1
            }
            x
        })
    }).collect();

    for h in handles {
        println!("{}:Thread finished with count={}\n",
                 str_name,
                 h.join().map_err(|_| "Could not join thread!\n").unwrap());
    }
    println!("Done!");
}

عملية باطلة (char * name) ؛

package main

/*
#cgo LDFLAGS: -L./lib -lembed
#include "./lib/process.h"
*/
import "C"

func main() {
	C.process(C.CString("Hello from Golang !!"))
}