1.\" 2.\" Copyright (c) 2004-2009, Jilles Tjoelker 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with 6.\" or without modification, are permitted provided that the 7.\" following conditions are met: 8.\" 9.\" 1. Redistributions of source code must retain the above 10.\" copyright notice, this list of conditions and the 11.\" following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the 13.\" above copyright notice, this list of conditions and 14.\" the following disclaimer in the documentation and/or 15.\" other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 18.\" CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 19.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 21.\" PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22.\" COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY 23.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25.\" PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 26.\" USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 30.\" USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31.\" OF SUCH DAMAGE. 32.\" 33.\" $FreeBSD$ 34.\" 35.Dd March 7, 2017 36.Dt PWAIT 1 37.Os 38.Sh NAME 39.Nm pwait 40.Nd wait for processes to terminate 41.Sh SYNOPSIS 42.Nm 43.Op Fl t Ar duration 44.Op Fl v 45.Ar pid 46\&... 47.Sh DESCRIPTION 48The 49.Nm 50utility will wait until each of the given processes has terminated. 51.Pp 52The following option is available: 53.Bl -tag -width indent 54.It Fl t Ar duration 55If any process is still running after 56.Ar duration , 57.Nm 58will exit. 59The 60.Ar duration 61value can be integer or decimal numbers. 62Values without unit symbols are interpreted as seconds. 63.Pp 64Supported unit symbols are: 65.Bl -tag -width indent -compact 66.It s 67seconds 68.It m 69minutes 70.It h 71hours 72.El 73.It Fl v 74Print the exit status when each process terminates. 75.El 76.Sh EXIT STATUS 77The 78.Nm 79utility exits 0 on success, and >0 if an error occurs. 80.Pp 81If the 82.Fl t 83flag is specified and a timeout occurs, the exit status will be 124. 84.Pp 85Invalid pids elicit a warning message but are otherwise ignored. 86.Sh SEE ALSO 87.Xr kill 1 , 88.Xr pkill 1 , 89.Xr ps 1 , 90.Xr wait 1 , 91.Xr kqueue 2 92.Sh NOTES 93.Nm 94is not a substitute for the 95.Xr wait 1 96builtin 97as it will not clean up any zombies or state in the parent process. 98.Sh HISTORY 99A 100.Nm 101command first appeared in SunOS 5.8. 102