docs: add exit values to pmap manual page

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/pmap.1 b/pmap.1
index c96b6109f46290280a234f1ad0c78d3bee2d853e..4d8fde525b4729191d7714e7cc50321b9b0edbb4 100644 (file)
--- a/pmap.1
+++ b/pmap.1
@@ -37,6 +37,21 @@ Display help text and exit.
 .TP
 \fB\-V\fR, \fB\-\-version\fR
 Display version information and exit.
+.SH "EXIT STATUS"
+.PP
+.RS
+.PD 0
+.TP
+.B 0
+Success.
+.TP
+.B 1
+Failure.
+.TP
+.B 42
+Did not find all processes asked for.
+.PD
+.RE
 .SH "SEE ALSO"
 .BR ps (1),
 .BR pgrep (1)