Linux command
waitpid 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Example
waitpid [pid1] [pid2]
Example
waitpid -t [n] [pid1] [pid2]
Example
waitpid -e [pid1] [pid2]
Example
waitpid -c [n] [pid1] [pid2]
Example
waitpid -h
说明
waitpid waits for the termination of arbitrary processes by their PIDs. Unlike the shell built-in wait, it can wait for any process, not just children of the current shell. The command blocks until all specified processes have terminated or the timeout expires.
参数
- -t, --timeout _SECONDS_
- Maximum time to wait
- -e, --exited
- Don't error if PIDs have already exited
- -c, --count _N_
- Wait until N processes have exited
- -h, --help
- Display help information
FAQ
What is the waitpid command used for?
waitpid waits for the termination of arbitrary processes by their PIDs. Unlike the shell built-in wait, it can wait for any process, not just children of the current shell. The command blocks until all specified processes have terminated or the timeout expires.
How do I run a basic waitpid example?
Run `waitpid [pid1] [pid2]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -t, --timeout _SECONDS_ do in waitpid?
Maximum time to wait