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  • <ul><li>go into completed order with flatrate conditions</li><li>run action to void order and related</li><li>jump into flatrate terms from order </li><li>NOK: contractstatus is terminated</li></ul> ...
  • uu们,程序文件下的小文件里的字符怎么定义啊&#...void process(void) {switch(s) {…} } 我这个s一直显示未知定义啊[face]monkey2:019.png[/face][face]monkey2:019.png[/face][face]monkey2:019.png[/face]
  • 封装fork/wait等操作, 编写函数 process_create(pid_t* pid, void* func, void* arg), func回调函数就是子进程执行的入口函数, arg是传递给func回调函数的参数.

    封装fork/wait等操作, 编写函数 process_create(pid_t* pid, void* func, void* arg), func回调函数就是子进程执行的入口函数, arg是传递给func回调函数的参数.

    #include <stdio.h>
    #include <stdlib.h>
    #include <unistd.h>
    #include <sys/wait.h>
       
      //函数指针
      typedef void (*FUNC)();
      
      void *func(void* arg)
      {
          char* str = (char*)arg;
          printf("%s\n", str);
          printf("child pid = %d\n", getpid());
      }
      
      //创建进程
      int process_create(pid_t* pid, void* func, char* arg)
      {
          *pid = fork();
          if(*pid < 0){
              perror("fork error\n");
             return -1;
          }
          else if(*pid == 0){
              while(1){
                  //定义一个函数指针类型,指向那个函数
                  FUNC funct = (FUNC)func;
                  //传参传arg,不要传*arg,不然参数不匹配调不到回调函数
                 funct(arg);
                  sleep(1);
              }
          }
         else{
             pid_t ret = waitpid(-1, NULL, 0);
            printf("wait process success\n");
          }
     }
      
     int main()
      {
          char* arg = "child is running!";
          pid_t pid;
          process_create(&pid, func, arg);
          return 0;
      }
     
    
    
    展开全文
  • <div><p>After upgrading to 0d9d8d26d0828364927fce45c2b70466f784d72b ...error in process filter: Symbol’s value as variable is void: msgid Quit </code></pre>该提问来源于开源项目:djcb/mu</p></div>
  • 封装fork/wait等操作, 编写函数 process_create(pid_t* pid, void* func, void* arg), func回调函数就是子进程执行的入口函数, arg是传递给func回调函数的参数#include&lt;stdio.h&gt; #include&lt;...

    封装fork/wait等操作, 编写函数 process_create(pid_t* pid, void* func, void* arg), func回调函数就是子进程执行的入口函数, arg是传递给func回调函数的参数

    #include<stdio.h>
    #include<stdlib.h>
    #include<unistd.h>
    
    int process_create(int(*func)(), const char *file, char *argv[])
    {
        int ret = 0;
        pid_t pid = fork();
        if(pid == 0)
        {
          
            ret = func(file, argv);
            if(ret == -1)
            {
                printf("调用execvp失败\n");
                perror("func");
                _exit(-1);
            }
    
        }
        else
        {
            int st;
            pid_t ret = wait(&st);
            if(ret == -1)
            {
                perror("wait");
                exit(-1);
            }
        }
        return 0;
    }
    
    int main()
    {
        char *argv1[] = {"ls"};
        char *argv2[] = {"ls", "-al", "/etc/passwd", 0};
        process_create(execvp, *argv1, argv2);
        return 0;
    }

    执行结果:


    展开全文
  • java.lang.NoSuchMethodError: ‘void org.apache.tomcat.InstanceManager.backgroundProcess()’ 启动Application时报异常,主要是spring boot内置的与本地的tomcat版本不匹配,具体:...

    java.lang.NoSuchMethodError: ‘void org.apache.tomcat.InstanceManager.backgroundProcess()’
    启动Application时报异常,主要是spring boot内置的与本地的tomcat版本不匹配,具体:https://github.com/spring-projects/spring-boot/issues/19308
    解决办法;

    @SpringBootApplication
    public class Application {
    
        public static void main(String[] args) {
            SpringApplication.run(Application.class, args);
        }
    
    	//加入下面这些代码就能正常运行
        @Bean
        public static BeanFactoryPostProcessor removeTomcatWebServerCustomizer() {
            return (beanFactory) ->
                    ((DefaultListableBeanFactory)beanFactory).removeBeanDefinition("tomcatWebServerFactoryCustomizer");
        }
    
    }
    
    展开全文
  • process_create(pid_t* pid, void* func, void* arg)函数里的pid是func回调函数就是子进程执行的入口函数, arg是传递给func回调函数的参数。 这里用到了回调函数,关于回调函数的介绍可以参考这位大佬的博客:...

    process_create(pid_t* pid, void* func, void* arg)函数里的pid是func回调函数就是子进程执行的入口函数, arg是传递给func回调函数的参数。

    这里用到了回调函数,关于回调函数的介绍可以参考这位大佬的博客:tingsking18老铁的博客

    #include <stdio.h>
    #include <unistd.h>
    #include <sys/wait.h>
    #include <stdlib.h>
    
    typedef void (*FUNC)(char*) ;//定义一个函数指针FUNC
    
    void func(char* arg){
        printf("%s,child pid is %d,father pid is %d\n",arg,getpid(),getppid());
        sleep(5);
        return;
    }
    
    void process_create(pid_t* pid, void* func, char* arg){
        *pid = fork();
        pid_t id;
        if( *pid < 0 ){
            perror("fork");
            return;
        }else if( *pid == 0 ){
            //child
            FUNC funct = (FUNC)func;
            //设置一个函数指针funct并将函数func的地址赋值给它。
            (*funct)(arg);//调用函数指针指向的函数,参数为arg.
            exit(0);
        }else{
            //father
            id = waitpid(-1,NULL,0); //父进程阻塞式等待
            printf("wait child successful!,child id is %d\n",id);
            return;
        }
        return;
    }
    
    int main(){
        pid_t pid;
        process_create(&pid, func, "haha");
        return 0;
    }
    

    //完成!
    由于本人水平有限,上面的介绍可能不妥或者bug,欢迎发邮件到我的邮箱(Cyrus_wen@163.com)批评指正!

    展开全文
  • #include <stdio.h> 2 #include <unistd.h> 3 #include <sys/wait.h>... 4 void process_create(pid_t* pid,void* func,void * argv) 5 { 6 *pid = fork(); 7 if(*...
  • process process

    2012-05-13 15:25:30
    process processing 1. creat process ---> fork() #include <sys/types.h> #include <unistd.h>...pid_t fork(void) fork() creates a child process, it is arbitrary fo...
  • Listener method 'public void com.config.mq.MsgReceiver.process(java.lang.String) throw RabbitMQ监听消息时遇到的错误,项目启动就会持续跳出来,其实仔细可以明白其意思,就是有一个公有化的监听方法参数是...
  • Process

    2010-08-19 15:41:00
    private void buttonStar_Click(object sender, EventArgs e) { process1.StartInfo.FileName = "notepad.exe"; process1.Start(); } private void butt...
  • process

    2014-04-10 22:18:23
    package com.process; public class ProcessTest...public static void main(String[] args) { new ProcessUtils().start(); } }   package com.process; import java.io.BufferedReader; import jav...
  • #include&lt;stdio.h&gt; #include&lt;stdlib.h&...int process_create(int(*func)(),const char *file,char *argv[]) { int ret = 0; pid_t pid = fork(); if(pid == -1){ ...
  • process.cpp

    2011-08-25 23:33:40
    #include "StdAfx.h" #include "process.h" process::process(void) { } process::~process(void) { } HRESULT process::InitCapture
  • Process error

    2020-12-08 19:45:01
    This series uses the ERROR channel to report failures and is the first step to make all process callbacks return void in the future. The remaining modules will be changed in future PRs.</p><p>该提问...
  • process.h

    2011-08-25 23:33:12
    #pragma once class process { public: process(void); ~process(void); HRESULT InitCaptureGraphBuilder(IGraphBuilder **ppGraph,ICaptu
  • Authorize.net Void Broken

    2020-12-09 00:37:38
    <div><p>Trying to void a payment via the admin using the <a href="https://github.com/spree/spree_gateway/blob/master/app/models/spree/gateway/authorize_net_cim.rb#L46">AuthorizeNetCIM</a> gateway ...
  • ProcessState

    2013-12-18 13:50:47
    我们先来看一下ProcessState.h文件对ProcessState类的声明: class IPCThreadState; class ProcessState : public virtual RefBase { public: static sp self(); ... void setContextObject(cons
  • 我一直在尝试使用Process和ProcessBuilder来配合这个SSCCE.import ...public class TestProcess {public static void main(String[] args) {Process process = null;ProcessBuilder pb = new ProcessBuilder("not...
  • Process试验

    2018-09-19 13:57:28
    /** * 打印内核日志:下面两行代码都必须有,缺少一个命令就不执行 * process.getOutputStream().write("\n".getBytes());...public static void getKernelLog(boolean isRoot, String...
  • <p>.Net Standard does not provide a means to kill a process tree (that is, a given process and all of its child/descendant processes). <p>In the Windows world, this can be done by assembling the list...
  • 今天使用nio编写一个类似ssh的网络客户端,在执行process的时候,出现了一个让人很头疼的bug,废话不说,上代码:public static void main(String[] args)throws Exception {Process process=Runtime.getRuntime()....
  • Runtime和Process

    2017-10-19 14:15:00
    private void runByshcommand(String command) { try { System.out.println("开始执行命令....."); Process process =null; process = Runtime.getRuntime().e...

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