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$FreeBSD: stable/11/bin/pwait/pwait.1 315723 2017-03-22 17:53:25Z bdrewery $

.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.

p The following option is available: l -tag -width indent t 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.

p Supported unit symbols are: l -tag -width indent -compact t s seconds t m minutes t h hours .El t 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.

p If the .Fl t flag is specified and a timeout occurs, the exit status will be 124.

p 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.