[lxc-devel] [lxc/master] CODING_STYLE: add section about _exit()

[brauner on Github]

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From 4ad78f87c7c524fc64dc16ed67346284e0db20e1 Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner at ubuntu.com>
Date: Mon, 26 Feb 2018 11:21:51 +0100
Subject: [PATCH] CODING_STYLE: add section about _exit()

Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>
---
 CODING_STYLE.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CODING_STYLE.md b/CODING_STYLE.md
index 64974fa84..a3bf41a4a 100644
--- a/CODING_STYLE.md
+++ b/CODING_STYLE.md
@@ -512,3 +512,8 @@ rules to use them:
       Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>
 
   ```
+#### Use `_exit()` To Terminate `fork()`ed Child Processes
+
+- When `fork()`ing off a child process use `_exit()` to terminate it instead of
+  `exit()`. The `exit()` function is not thread-safe and thus not suited for
+  the shared library which must ensure that it is thread-safe.