Revision [1037]

This is an old revision of CommandWait made by DavidLee on 2009-11-25 16:59:14.

 

Command wait


Name

wait waits for one or more background jobs to complete

Synopsis

wait [options ][ job ]

Options


-m n
-atmost n
Waits until at most n jobs are running


Description

Waits for all jobs to complete, a specific job to complete, or at most N outstanding jobs to be running.

If job arguments are given they are interpreted as job ID's and waited for individually.
If no args are given then all jobs of the current shell are waited for.
If -m or -atmost is given then waits until there at atmost "n" jobs running.

Note that jobs most be known to the current shell. waiting for "-m 10" is not a guarantee that there are at most 10 "threads" running, only that there are at most 10 "jobs invoked from the current shell" running.

Example
sleep 10 & 
wait


sleep 10 & 
wait 8


Start 5 jobs then wait for 3 to complete.
for i in 10 20 30 40 50 ; do 
   sleep $i &
done

wait -m 2


Commands
CategoryCommands
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