From ef828a01d866574a3d1206a2bdb7cc5a863b6918 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sat, 22 Jul 2006 14:26:12 +0000
Subject: [PATCH] Noted effect of fork() and execve().

---
 man2/chroot.2 | 8 ++++++++
 man2/umask.2  | 6 ++++++
 2 files changed, 14 insertions(+)

diff --git a/man2/chroot.2 b/man2/chroot.2
index 4cad7e9d0..7c7d7964e 100644
--- a/man2/chroot.2
+++ b/man2/chroot.2
@@ -108,9 +108,17 @@ SVr4 documents additional EINTR, ENOLINK and EMULTIHOP error conditions.
 X/OPEN does not document EIO, ENOMEM or EFAULT error conditions.
 This interface is marked as legacy by X/OPEN.
 .SH NOTES
+A child process created via
+.BR fork (2)
+inherits its parent's root directory.
+The root directory is left unchanged by
+.BR execve (2).
+
 FreeBSD has a stronger
 .BR jail ()
 system call.
+.\" FIXME -- eventually say something about containers, 
+.\" virtual servers, etc.?
 .SH "SEE ALSO"
 .BR chdir (2),
 .BR path_resolution (2)
diff --git a/man2/umask.2 b/man2/umask.2
index df1b1d41d..ffb02b997 100644
--- a/man2/umask.2
+++ b/man2/umask.2
@@ -86,6 +86,12 @@ resulting file will be:
 .SH "RETURN VALUE"
 This system call always succeeds and the previous value of the mask
 is returned.
+.SH NOTES
+A child process created via
+.BR fork (2)
+inherits its parent's umask.
+The umask is left unchanged by
+.BR execve (2).
 .SH "CONFORMING TO"
 SVr4, SVID, POSIX, X/OPEN, 4.3BSD
 .SH "SEE ALSO"