SSemaphore basic implementation

Set for RSX

Utilities/SSemaphore.h

@@ -0,0 +1,34 @@
+#pragma once
+
+class SSemaphore
+{
+	const u32 m_max;
+	u32 m_count;
+	std::mutex m_mutex, m_cv_mutex;
+	std::condition_variable m_cond;
+
+public:
+	SSemaphore(u32 value, u32 max = 1)
+		: m_max(max > 0 ? max : 0xffffffff)
+		, m_count(value > m_max ? m_max : value)
+	{
+	}
+
+	SSemaphore()
+		: m_max(0xffffffff)
+		, m_count(0)
+	{
+	}
+
+	~SSemaphore()
+	{
+	}
+
+	bool wait(u64 timeout = 0);
+
+	bool try_wait();
+
+	void post(u32 value = 1);
+
+	bool post_and_wait();
+};