python os waitpid
Автор: CodeWave
Загружено: 2024-02-29
Просмотров: 20
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the os.waitpid() function in python is used to wait for the child process to terminate and return its process id and exit status. it is a part of the os module and is particularly useful when dealing with multi-process programming. this tutorial will guide you through the usage of os.waitpid() with a practical code example.
the os.waitpid(pid, options) function takes two parameters:
the function returns a tuple (pid, status), where pid is the process id of the child that terminated, and status is the exit status of that child process.
let's consider a simple example where a parent process spawns a child process. the parent process will use os.waitpid() to wait for the child process to terminate.
in this example:
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