git: port from mercurial repo.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/KernelKit/Semaphore.hpp b/KernelKit/Semaphore.hpp
new file mode 100644
index 00000000..03a724c8
--- /dev/null
+++ b/KernelKit/Semaphore.hpp
@@ -0,0 +1,46 @@
+/*
+ *	========================================================
+ *
+ *	hCore
+ * 	Copyright Mahrouss Logic, all rights reserved.
+ *
+ * 	========================================================
+ */
+
+#pragma once
+
+#include <NewKit/Defines.hpp>
+#include <CompilerKit/Compiler.hpp>
+
+namespace hCore
+{
+	class Process;
+
+    typedef Process* ProcessPtr;
+	
+    /// @brief Access control class, which locks a task until one is done.
+    class Semaphore final
+    {
+    public:
+        explicit Semaphore() = default;
+        ~Semaphore() = default;
+
+    public:
+        bool IsLocked() const;
+        bool Unlock() noexcept;
+
+    public:
+        void Sync() noexcept;
+
+    public:
+        bool Lock(Process* process);
+        bool LockOrWait(Process* process, const Int64& seconds);
+
+    public:
+        HCORE_COPY_DEFAULT(Semaphore);
+
+    private:
+        ProcessPtr fLockingProcess{ nullptr };
+
+    };
+}