From dd1bfe6c1204c75de9a2c0a4f11e63c4d0ea46b0 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Thu, 14 Feb 2019 10:13:42 +0100
Subject: [PATCH] tools/timer: add module documentation

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
---
 src/tools/timer.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/tools/timer.rs b/src/tools/timer.rs
index 8130dcce..a1910f2f 100644
--- a/src/tools/timer.rs
+++ b/src/tools/timer.rs
@@ -1,3 +1,8 @@
+//! POSIX per-process timer interface.
+//!
+//! This module provides a wrapper around POSIX timers (see `timer_create(2)`) and utilities to
+//! setup thread-targeted signaling and signal masks.
+
 use std::{io, mem};
 use std::time::Duration;