process group leader造句

It thereby guarantees that processes may not accidentally become process group leaders.
The system call setpgid ( ) is used to set the process group ID of a process, thereby either joining the process to an existing process group, or creating a new process group within the session of the process with the process becoming the process group leader of the newly created group.
When the shell fork s a new child process for a command pipeline, both the parent shell process and the child process immediately attempt to make the process into the leader of the process group for the command pipeline . ( They both attempt to do the same thing in order to avoid a race condition between the child becoming the process group leader, the child executing the program image of the command being executed, and the parent, or the tty device driver, attempting to send signals to the process group for job control.
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