wait: Wait for all background jobs to complete

Package: language

Usage

wait [job job ...]

Parameters

job: A background job number, as printed when the job is submitted, or as given by the jobs command.

Description

The wait task causes the CL to hibernate until a background job or jobs terminates. No arguments, or a job number of 0 means to wait until all background jobs finish, while other arguments can be specified to wait for a particular job. If a background job is not running the wait returns immediately.

Examples

1. Wait for any background jobs to finish, beeping the terminal when done.

cl> wait;beep

2. Wait for job 3 to terminate.

cl> wait 3

Bugs

Deadlock is possible.