Merge branch 'master' of git://git.ucc.asn.au/tpg/acess2

[tpg/acess2.git] / Usermode / Libraries / libc++.so_src / include_exp / mutex

diff --git a/Usermode/Libraries/libc++.so_src/include_exp/mutex b/Usermode/Libraries/libc++.so_src/include_exp/mutex
new file mode 100644 (file)
index 0000000..d3d9ffd
--- /dev/null
+++ b/Usermode/Libraries/libc++.so_src/include_exp/mutex
@@ -0,0 +1,76 @@
+/*
+ * Acess2 C++ Library
+ * - By John Hodge (thePowersGang)
+ *
+ * mutex (header)
+ * - C++11's tutex handling
+ */
+#ifndef _LIBCXX_MUTEX_
+#define _LIBCXX_MUTEX_
+
+#include "_libcxx_helpers.h"
+
+#if !_CXX11_AVAIL
+# error        "<mutex> requires C++11 support"
+#endif
+
+namespace std {
+
+#if _CXX11_AVAIL
+
+class mutex
+{
+public:
+       constexpr mutex() noexcept:
+               m_flag(false)
+       {
+       }
+       mutex(const mutex&) = delete;
+       mutex& operator=(const mutex&) = delete;
+       ~mutex();
+       
+       void lock();
+       bool try_lock();
+       void unlock();
+
+       typedef void*   native_handle;
+private:
+       // TODO: Proper userland mutex support
+       bool    m_flag;
+};
+
+struct defer_lock_t {};
+struct try_to_lock_t {};
+struct adopt_lock_t {};
+
+template< class Mutex >
+class lock_guard
+{
+public:
+       typedef Mutex   mutex_type;
+private:
+       mutex_type&     m_lock;
+public:
+       lock_guard(mutex_type& m):
+               m_lock(m)
+       {
+               m_lock.lock();
+       }
+       lock_guard(mutex_type& m, std::adopt_lock_t t):
+               m_lock(m)
+       {
+               // Adopted
+       }
+       ~lock_guard() {
+               m_lock.unlock();
+       }
+};
+
+#endif
+
+};     // namespace std
+
+#endif
+
+// vim: ft=cpp
+