X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fio%2Ffile.h;h=4f8e5ddf8612b559f82ce5bfc7c2623ba5860cc9;hb=fd074aa05df58fd60d490bb4e367aa2c82338741;hp=6c7169718872a4fb5b8128723fd5ebcb28ba711c;hpb=d16185720fa344263367dbd50c61bfc8183d99a4;p=libs%2Fcore.git

diff --git a/source/io/file.h b/source/io/file.h
index 6c71697..4f8e5dd 100644
--- a/source/io/file.h
+++ b/source/io/file.h
@@ -17,6 +17,12 @@ public:
 	file_not_found(const std::string &fn): std::runtime_error(fn) { }
 };
 
+class file_already_exists: public std::runtime_error
+{
+public:
+	file_already_exists(const std::string &fn): std::runtime_error(fn) { }
+};
+
 
 /**
 A class for reading and writing files.
@@ -30,7 +36,8 @@ public:
 	{
 		C_NONE = 0,
 		C_CREATE = 1,
-		C_TRUNCATE = 2
+		C_TRUNCATE = 2,
+		C_EXCLUSIVE = 4
 	};
 
 private:
@@ -54,6 +61,8 @@ public:
 
 	virtual SeekOffset seek(SeekOffset, SeekType);
 	virtual SeekOffset tell() const;
+
+	virtual const Handle &get_handle(Mode);
 };
 
 inline File::CreateMode operator|(File::CreateMode m, File::CreateMode n)