From b92fba5ca891fa6a1f4f3a6f12789b87ccc1b484 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Mon, 17 Sep 2018 13:01:11 +0200
Subject: pwait: verify pids exist at parse time

kill(pid, 0) will return ESRCH for nonexisting pids.
(The other possible error, EPERM would indicate the pid exists.)
---
 pwait.1 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'pwait.1')

diff --git a/pwait.1 b/pwait.1
index 6621b4f..9973747 100644
--- a/pwait.1
+++ b/pwait.1
@@ -1,4 +1,4 @@
-.Dd June 13, 2016
+.Dd September 17, 2018
 .Dt PWAIT 1
 .Os
 .Sh NAME
@@ -22,6 +22,8 @@ Return 111 if any process exited non-successfully.
 .El
 .Sh EXIT STATUS
 .Ex -std
+.Pp
+Invalid pids elicit a warning message but are otherwise ignored.
 .Sh ERRORS
 Check these prerequisites if you see this error:
 .Bd -literal -offset Ds
-- 
cgit 1.4.1