From e7eedd234954509f4f5ec52b2d62cbc4a1723936 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 14 Jul 2025 15:39:09 +0000
Subject: libs: begin extraction of kernel std

---
 libs/kstd/src/mutex.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 libs/kstd/src/mutex.cpp

(limited to 'libs/kstd/src/mutex.cpp')

diff --git a/libs/kstd/src/mutex.cpp b/libs/kstd/src/mutex.cpp
new file mode 100644
index 0000000..cfb1c84
--- /dev/null
+++ b/libs/kstd/src/mutex.cpp
@@ -0,0 +1,16 @@
+#include "kstd/mutex.hpp"
+
+namespace kstd
+{
+  auto mutex::lock() -> void
+  {
+    while (!try_lock())
+    {
+      asm volatile("nop");
+    }
+  }
+
+  auto mutex::try_lock() -> bool { return !locked.exchange(true, std::memory_order_acquire); }
+
+  auto mutex::unlock() -> void { locked.store(false, std::memory_order_release); }
+}  // namespace kstd
-- 
cgit v1.2.3


From 833738f7023324172dbb0922fe1be9ad9cc88330 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 14 Jul 2025 20:35:38 +0000
Subject: libs: rename kstd headers to be more STL like

---
 libs/kstd/src/mutex.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libs/kstd/src/mutex.cpp')

diff --git a/libs/kstd/src/mutex.cpp b/libs/kstd/src/mutex.cpp
index cfb1c84..137ebc0 100644
--- a/libs/kstd/src/mutex.cpp
+++ b/libs/kstd/src/mutex.cpp
@@ -1,4 +1,4 @@
-#include "kstd/mutex.hpp"
+#include "kstd/mutex"
 
 namespace kstd
 {
-- 
cgit v1.2.3


From b157e2c472d8bd67ac1656404a6a6ee821260f4b Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 29 Oct 2025 15:01:43 +0100
Subject: chore: reformat source code

---
 libs/kstd/src/mutex.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'libs/kstd/src/mutex.cpp')

diff --git a/libs/kstd/src/mutex.cpp b/libs/kstd/src/mutex.cpp
index 137ebc0..da1357f 100644
--- a/libs/kstd/src/mutex.cpp
+++ b/libs/kstd/src/mutex.cpp
@@ -10,7 +10,13 @@ namespace kstd
     }
   }
 
-  auto mutex::try_lock() -> bool { return !locked.exchange(true, std::memory_order_acquire); }
+  auto mutex::try_lock() -> bool
+  {
+    return !locked.exchange(true, std::memory_order_acquire);
+  }
 
-  auto mutex::unlock() -> void { locked.store(false, std::memory_order_release); }
+  auto mutex::unlock() -> void
+  {
+    locked.store(false, std::memory_order_release);
+  }
 }  // namespace kstd
-- 
cgit v1.2.3


From 1945dd16716392e70e74efacd19e779f121bd1da Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 15 Dec 2025 16:46:51 +0100
Subject: chore: fix missing includes

---
 libs/kstd/src/mutex.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libs/kstd/src/mutex.cpp')

diff --git a/libs/kstd/src/mutex.cpp b/libs/kstd/src/mutex.cpp
index da1357f..5a26154 100644
--- a/libs/kstd/src/mutex.cpp
+++ b/libs/kstd/src/mutex.cpp
@@ -1,5 +1,7 @@
 #include "kstd/mutex"
 
+#include <atomic>
+
 namespace kstd
 {
   auto mutex::lock() -> void
-- 
cgit v1.2.3