some work on compositor

1 files changed, 40 insertions, 0 deletions

diff --git a/euler/include/std/mutex.hpp b/euler/include/std/mutex.hpp
new file mode 100644
index 0000000..0a27877
--- /dev/null
+++ b/euler/include/std/mutex.hpp
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <euler/syscall.hpp>
+
+namespace std {
+
+  class mutex {
+
+    euler::syscall::stream_handle in_handle;
+    euler::syscall::stream_handle out_handle;
+
+  public:
+    inline mutex() noexcept {
+      euler::syscall::create_private_socket(in_handle, out_handle);
+      uint8_t byte = 0;
+      euler::syscall::write_to_stream(in_handle, 1, &byte);
+    }
+
+    mutex(const mutex &) = delete;
+
+    inline ~mutex() {
+      euler::syscall::close_stream(in_handle);
+      euler::syscall::close_stream(out_handle);
+    }
+
+    mutex &operator =(const mutex &) = delete;
+
+    inline void lock() {
+      uint8_t byte;
+      euler::syscall::read_from_stream(out_handle, 1, &byte);
+    }
+
+    inline void unlock() {
+      uint8_t byte = 0;
+      euler::syscall::write_to_stream(in_handle, 1, &byte);
+    }
+
+  };
+
+}