From a65f06bb27688a6738f2f94b7f055f4c66768d63 Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Wed, 26 Jun 2013 19:55:48 -0400
Subject: journal: return -ECHILD after a fork

A few asserts are replaced with 'return -EINVAL'. I think that
assert should not be used to check argument in public functions.

Fields in struct sd_journal are rearranged to make it less
swiss-cheesy.
---
 man/sd_journal_open.xml | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'man/sd_journal_open.xml')

diff --git a/man/sd_journal_open.xml b/man/sd_journal_open.xml
index eae851e731..28d164add7 100644
--- a/man/sd_journal_open.xml
+++ b/man/sd_journal_open.xml
@@ -131,6 +131,13 @@
                 can be rotated at any moment, and the opening of
                 specific files is inherently racy.</para>
 
+                <para><varname>sd_journal</varname> objects cannot be
+                used in the child after a fork. Functions which take a
+                journal object as an argument
+                (<function>sd_journal_next()</function> and others)
+                will return <constant>-ECHILD</constant> after a fork.
+                </para>
+
                 <para><function>sd_journal_close()</function> will
                 close the journal context allocated with
                 <function>sd_journal_open()</function> or
-- 
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