Note that the child process never returns from the call to execv.
请注意，该子进程一直没有从execv调用返回。
When this new process-the child process-is executing, the parent process will still be running.
当这个新进程(子进程)正在执行时，父进程仍然在运行。
After returning from the fork system call, the child process is instructed to execv the new binary.
在从fork系统调用返回以后，将指示子进程执行(execv)新的二进制文件。
For the SIGCHLD signal, the application must call the wait (3c) function to wait for the child process to exit.
对于SIGCHLD信号，应用程序必须调用wait (3c)函数，以等待子进程退出。
Because the child process is running in the background, control returns to the shell as soon as the parent dies.
由于子进程在后台运行，父进程一终止，控制即返回到Shell。
Now we are ready to read the data from the standard output of the child process.
现在，我们准备从子进程的标准输出中读数据。
The function returns an integer, which represents the exit code for the child process.
这个函数返回一个整数，代表子进程的退出码。
If you want to create a separate process, you must first fork, and then exec the new binary within the child process.
如果希望创建一个单独的进程，您必须首先运行fork，然后在子进程中执行(exec)新的二进制文件。
Despite its untimely exit, the child process is still in the process table as a defunct process, otherwise known as a zombie.
尽管子进程提前退出，但它仍然在进程表中作为失效 (defunct) 进程存在，或称为僵死 (zombie) 进程。
In this code: pid_t waitpid(pid_t pid, int *status, int options), waitpid() infinitely waits for the child process to terminate.
在这段代码中：pid_twaitpid(pid_t pid,int *status, intoptions)，waitpid()会无限期等待子进程的终止。
LpThreadAttributes is a pointer to the thread attributes that determines whether the thread handle can be inherited by the child process.
lpThreadAttributes是指向线程属性的指针，决定了线程句柄是否能由子进程继承。
The process that gets the 0 is called the child process, and the non-zero result goes to the original process, which is the parent process.
获得0的进程称为子进程，非零结果属于原始进程，即父进程。
Comparing the PIDs printed, you can see that the original process is the parent process (PID 767), and the child process (PID 768) knows who its parent is.
对所打印的PID进行比较，可以看到原始进程是父进程(PID 767)，并且子进程(PID 768)知道其父进程是谁。
When you look at the process table again, you'll see that the priority of this process has changed from its default as well as the child process that was forked from it (ps).
当您再次使用 ps查看进程表时，您将看到，对于这个进程以及它通过 fork 系统调用创建的子进程，它们的优先级都不再是缺省值。
If a parent process should die before the child process, the child process can become a defunct process-also known as a zombie process which usually results in a hung process or hung application.
如果父进程先于子进程死亡，那么子进程就成了死进程(也称为僵尸进程)，这常常会导致进程或应用程序挂起。
The child process ID is shown in the third position and remains the same during a sequential restore.
子进程ID显示在第3个位置，在一次顺序恢复期间一直保持不变。
The child process ID is shown in the third position and remains the same during a sequential restore.
子进程ID显示在第3个位置，在一次顺序恢复期间一直保持不变。
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