waitpid − utility to wait for arbitrary processes
waitpid [−v] [−−timeout|−t seconds] pid...
waitpid is a simple command to wait for arbitrary non−child processes.
It exits after all processes whose PIDs have been passed as arguments have exited.
−v, −−verbose
Be more verbose.
−t, −−timeout seconds
Maximum wait time.
−e, −−exited
Don’t error on already exited PIDs.
−c, −−count count
Number of process exits to wait for.
−h, −−help
Display help text and exit.
−V, −−version
Print version and exit.
waitpid has the following exit status values:
0
success
1
unspecified failure
2
system does not provide necessary functionality
3
timeout expired
Thomas WeiÃschuh <thomas@t−8ch.de>
waitpid(2) wait(1P)
For bug reports, use the issue tracker at <https://github.com/util−linux/util−linux/issues>.
The waitpid command is part of the util−linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util−linux/>.