The following values apply only to long-running child processes that have been invoked by a long-running process through a synchronous interface.

下面这些值只用在长期运行的子过程，它们通过异步接口被长期运行的流程调用。

youdao

ECHILD -- The wait() or waitpid() function tried to wait for a child process to exit, but all children have already exited.

ECHILD：wait() 或 waitpid() 函数尝试等待退出子进程，但所有子项都已经退出。

youdao

I am also worried about the beginning, but now Well, this is a process, and one child have to do.

我刚开始也很担心，但现在好了，这是一个过程，独生子女都这样。

youdao

The boy's death aggravated U.S. State Department efforts to push through more than 500 adoption cases in which American families have already begun the process to adopt a Russian child before Moscow in December passed a law banning adoptions of Russian children by Americans.

CNN: Russia concerned over adopted boy's cause of death