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.Dd March 7, 2017
.Dt PWAIT 1
.Os
.Sh NAME
.Nm pwait
.Nd wait for processes to terminate
.Sh SYNOPSIS
.Nm
.Op Fl t Ar duration
.Op Fl v
.Ar pid
\&...
.Sh DESCRIPTION
The
.Nm
utility will wait until each of the given processes has terminated.
.Pp
The following option is available:
.Bl -tag -width indent
.It Fl t Ar duration
If any process is still running after
.Ar duration ,
.Nm
will exit.
The
.Ar duration
value can be integer or decimal numbers.
Values without unit symbols are interpreted as seconds.
.Pp
Supported unit symbols are:
.Bl -tag -width indent -compact
.It s
seconds
.It m
minutes
.It h
hours
.El
.It Fl v
Print the exit status when each process terminates.
.El
.Sh EXIT STATUS
The
.Nm
utility exits 0 on success, and >0 if an error occurs.
.Pp
If the
.Fl t
flag is specified and a timeout occurs, the exit status will be 124.
.Pp
Invalid pids elicit a warning message but are otherwise ignored.
.Sh SEE ALSO
.Xr kill 1 ,
.Xr pkill 1 ,
.Xr ps 1 ,
.Xr wait 1 ,
.Xr kqueue 2
.Sh NOTES
.Nm
is not a substitute for the
.Xr wait 1
builtin
as it will not clean up any zombies or state in the parent process.
.Sh HISTORY
A
.Nm
command first appeared in SunOS 5.8.