From 2d369e8e5d0f45b63a89ed3b4a5c55d3d3085ee0 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Wed, 11 Aug 2021 01:54:11 +0200 Subject: [PATCH] wait.2: ERRORS: document EAGAIN for waitid() on a PID file descriptor Signed-off-by: Michael Kerrisk --- man2/wait.2 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/man2/wait.2 b/man2/wait.2 index b6cb326c0..f452a5078 100644 --- a/man2/wait.2 +++ b/man2/wait.2 @@ -419,6 +419,11 @@ On failure, each of these calls sets to indicate the error. .SH ERRORS .TP +.B EAGAIN +The PID file descriptor specified in +.I id +is nonblocking and the process that it refers to has not terminated. +.TP .B ECHILD (for .BR wait ())