1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/github.com/byzantine-lab/mcl/include/cybozu/critical_section.hpp b/vendor/github.com/byzantine-lab/mcl/include/cybozu/critical_section.hpp
new file mode 100644
index 000000000..13d7f3a0e
--- /dev/null
+++ b/vendor/github.com/byzantine-lab/mcl/include/cybozu/critical_section.hpp
@@ -0,0 +1,60 @@
+#pragma once
+/**
+	@file
+	@brief critical section
+
+	@author MITSUNARI Shigeo(@herumi)
+	@author MITSUNARI Shigeo
+*/
+#include <cybozu/mutex.hpp>
+
+namespace cybozu {
+
+class ConditionVariableCs;
+
+namespace thread {
+
+#ifdef _WIN32
+typedef CRITICAL_SECTION CsHandle;
+inline void CsInit(CsHandle& cs) { InitializeCriticalSection(&cs); }
+inline void CsLock(CsHandle& cs) { EnterCriticalSection(&cs); }
+inline void CsUnlock(CsHandle& cs) { LeaveCriticalSection(&cs); }
+inline void CsTerm(CsHandle& cs) { DeleteCriticalSection(&cs); }
+#else
+typedef pthread_mutex_t CsHandle;
+inline void CsInit(CsHandle& cs) { pthread_mutex_init(&cs, NULL); }
+inline void CsLock(CsHandle& cs) { pthread_mutex_lock(&cs); }
+inline void CsUnlock(CsHandle& cs) { pthread_mutex_unlock(&cs); }
+inline void CsTerm(CsHandle& cs) { pthread_mutex_destroy(&cs); }
+#endif
+
+} // cybozu::thread
+
+class CriticalSection {
+	friend class cybozu::ConditionVariableCs;
+public:
+	CriticalSection()
+	{
+		thread::CsInit(hdl_);
+	}
+	~CriticalSection()
+	{
+		thread::CsTerm(hdl_);
+	}
+	inline void lock()
+	{
+		thread::CsLock(hdl_);
+	}
+	inline void unlock()
+	{
+		thread::CsUnlock(hdl_);
+	}
+private:
+	CriticalSection(const CriticalSection&);
+	CriticalSection& operator=(const CriticalSection&);
+	thread::CsHandle hdl_;
+};
+
+typedef cybozu::thread::AutoLockT<cybozu::CriticalSection> AutoLockCs; //!< auto lock critical section
+
+} // cybozu