From e3986e8a7b9a997441477cdb333d3a8537dc49fb Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Fri, 18 Feb 2022 17:37:21 -0400
Subject: Yet more fixes for JVM interop.

---
 documentation/bookmark/concurrency/semaphore.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 documentation/bookmark/concurrency/semaphore.md

(limited to 'documentation/bookmark/concurrency')

diff --git a/documentation/bookmark/concurrency/semaphore.md b/documentation/bookmark/concurrency/semaphore.md
new file mode 100644
index 000000000..81b47ba45
--- /dev/null
+++ b/documentation/bookmark/concurrency/semaphore.md
@@ -0,0 +1,5 @@
+# Reference
+
+0. [The Little Book of Semaphores](https://greenteapress.com/wp/semaphores/)
+0. [The Little Book of Semaphores](https://greenteapress.com/semaphores/LittleBookOfSemaphores.pdf)
+
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