sys_fs_fsync implemented

sys_fs_fdatasync implemented as equal function

Utilities/File.cpp

@@ -156,6 +156,16 @@ namespace fs
 	{
 	}
 
+	stat_t file_base::stat()
+	{
+		fmt::throw_exception("fs::file::stat() not supported for %s", typeid(*this).name());
+	}
+
+	void file_base::sync()
+	{
+		// Do notning
+	}
+
 	dir_base::~dir_base()
 	{
 	}
@@ -745,6 +755,11 @@ fs::file::file(const std::string& path, bs_t<open_mode> mode)
 			return info;
 		}
 
+		void sync() override
+		{
+			verify("file::sync" HERE), FlushFileBuffers(m_handle);
+		}
+
 		bool trunc(u64 length) override
 		{
 			LARGE_INTEGER old, pos;
@@ -870,6 +885,11 @@ fs::file::file(const std::string& path, bs_t<open_mode> mode)
 			return info;
 		}
 
+		void sync() override
+		{
+			verify("file::sync" HERE), ::fsync(m_fd) == 0;
+		}
+
 		bool trunc(u64 length) override
 		{
 			if (::ftruncate(m_fd, length) != 0)
@@ -945,11 +965,6 @@ fs::file::file(const void* ptr, std::size_t size)
 		{
 		}
 
-		fs::stat_t stat() override
-		{
-			fmt::raw_error("fs::file::memory_stream::stat(): not supported");
-		}
-
 		bool trunc(u64 length) override
 		{
 			return false;

Utilities/File.h

@@ -60,7 +60,8 @@ namespace fs
 	{
 		virtual ~file_base();
 
-		virtual stat_t stat() = 0;
+		virtual stat_t stat();
+		virtual void sync();
 		virtual bool trunc(u64 length) = 0;
 		virtual u64 read(void* buffer, u64 size) = 0;
 		virtual u64 write(const void* buffer, u64 size) = 0;
@@ -206,6 +207,13 @@ namespace fs
 			return m_file->stat();
 		}
 
+		// Sync file buffers
+		void sync() const
+		{
+			if (!m_file) xnull();
+			return m_file->sync();
+		}
+
 		// Read the data from the file and return the amount of data written in buffer
 		u64 read(void* buffer, u64 count) const
 		{
@@ -488,11 +496,6 @@ namespace fs
 		{
 		}
 
-		stat_t stat() override
-		{
-			fmt::raw_error("fs::container_stream<>::stat(): not supported");
-		}
-
 		bool trunc(u64 length) override
 		{
 			obj.resize(length);