|
|
|
|
|
/*
|
|
|
|
|
|
* Copyright (c) 2016 The ZLToolKit project authors. All Rights Reserved.
|
|
|
|
|
|
*
|
|
|
|
|
|
* This file is part of ZLToolKit(https://github.com/ZLMediaKit/ZLToolKit).
|
|
|
|
|
|
*
|
|
|
|
|
|
* Use of this source code is governed by MIT license that can be found in the
|
|
|
|
|
|
* LICENSE file in the root of the source tree. All contributing project authors
|
|
|
|
|
|
* may be found in the AUTHORS file in the root of the source tree.
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#include <csignal>
|
|
|
|
|
|
#include <iostream>
|
|
|
|
|
|
#include "Util/logger.h"
|
|
|
|
|
|
#include "Poller/EventPoller.h"
|
|
|
|
|
|
#include "Poller/Pipe.h"
|
|
|
|
|
|
#include "Util/util.h"
|
|
|
|
|
|
using namespace std;
|
|
|
|
|
|
using namespace toolkit;
|
|
|
|
|
|
|
|
|
|
|
|
int main() {
|
|
|
|
|
|
//设置日志 [AUTO-TRANSLATED:50372045]
|
|
|
|
|
|
// Set up logging
|
|
|
|
|
|
Logger::Instance().add(std::make_shared<ConsoleChannel>());
|
|
|
|
|
|
#if defined(_WIN32)
|
|
|
|
|
|
ErrorL << "该测试程序不能再windows下运行，因为我不会windows下的多进程编程，但是管道模块是可以在windows下正常工作的。" << endl;
|
|
|
|
|
|
#else
|
|
|
|
|
|
//获取父进程的PID [AUTO-TRANSLATED:0a35f39a]
|
|
|
|
|
|
// Get the parent process's PID
|
|
|
|
|
|
auto parentPid = getpid();
|
|
|
|
|
|
InfoL << "parent pid:" << parentPid << endl;
|
|
|
|
|
|
|
|
|
|
|
|
//定义一个管道，lambada类型的参数是管道收到数据的回调 [AUTO-TRANSLATED:d5eeb28a]
|
|
|
|
|
|
// Define a pipe, with a lambda type parameter as the callback for when data is received
|
|
|
|
|
|
Pipe pipe([](int size,const char *buf) {
|
|
|
|
|
|
//该管道有数据可读了 [AUTO-TRANSLATED:e542256f]
|
|
|
|
|
|
// The pipe has data available for reading
|
|
|
|
|
|
InfoL << getpid() << " recv:" << buf;
|
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
|
|
//创建子进程 [AUTO-TRANSLATED:8d5746fc]
|
|
|
|
|
|
// Create a child process
|
|
|
|
|
|
auto pid = fork();
|
|
|
|
|
|
|
|
|
|
|
|
if (pid == 0) {
|
|
|
|
|
|
//子进程 [AUTO-TRANSLATED:3f793797]
|
|
|
|
|
|
// Child process
|
|
|
|
|
|
int i = 10;
|
|
|
|
|
|
while (i--) {
|
|
|
|
|
|
//在子进程每隔一秒把数据写入管道，共计发送10次 [AUTO-TRANSLATED:5a340f4b]
|
|
|
|
|
|
// In the child process, write data to the pipe every second, for a total of 10 times
|
|
|
|
|
|
sleep(1);
|
|
|
|
|
|
string msg = StrPrinter << "message " << i << " form subprocess:" << getpid();
|
|
|
|
|
|
DebugL << "子进程发送:" << msg << endl;
|
|
|
|
|
|
pipe.send(msg.data(), msg.size());
|
|
|
|
|
|
}
|
|
|
|
|
|
DebugL << "子进程退出" << endl;
|
|
|
|
|
|
} else {
|
|
|
|
|
|
//父进程设置退出信号处理函数 [AUTO-TRANSLATED:b2a0b432]
|
|
|
|
|
|
// Parent process sets up exit signal handling function
|
|
|
|
|
|
static semaphore sem;
|
|
|
|
|
|
signal(SIGINT, [](int) { sem.post(); });// 设置退出信号
|
|
|
|
|
|
sem.wait();
|
|
|
|
|
|
|
|
|
|
|
|
InfoL << "父进程退出" << endl;
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif // defined(_WIN32)
|
|
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
}
|
