Index: mojo/services/files/public/c/lib/errno_impl.h |
diff --git a/mojo/services/files/public/c/lib/errno_impl.h b/mojo/services/files/public/c/lib/errno_impl.h |
deleted file mode 100644 |
index dac10316b273571cc9e988f480b6c4935a036928..0000000000000000000000000000000000000000 |
--- a/mojo/services/files/public/c/lib/errno_impl.h |
+++ /dev/null |
@@ -1,57 +0,0 @@ |
-// Copyright 2015 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef SERVICES_FILES_C_LIB_ERRNO_IMPL_H_ |
-#define SERVICES_FILES_C_LIB_ERRNO_IMPL_H_ |
- |
-#include "mojo/public/cpp/system/macros.h" |
- |
-namespace mojio { |
- |
-// |ErrnoImpl| is an interface for getting/setting errno values. |
-class ErrnoImpl { |
- public: |
- // When destroyed, this class either preserves the errno value at creation or |
- // sets it to an explicit value. (Without this, internal calls may set errno |
- // to a value that shouldn't be visible to the caller.) |
- class Setter { |
- public: |
- explicit Setter(ErrnoImpl* errno_impl) |
- : errno_impl_(errno_impl), error_(errno_impl_->Get()) {} |
- ~Setter() { errno_impl_->Set(error_); } |
- |
- // If |error| is 0, this does nothing and returns true. Otherwise, this will |
- // arrange for the |ErrnoImpl|'s |Set()| to be called with the value of |
- // |error| (which should be a valid errno code) on destruction, and returns |
- // false. |
- bool Set(int error) { |
- if (error == 0) |
- return true; |
- error_ = error; |
- return false; |
- } |
- |
- private: |
- ErrnoImpl* const errno_impl_; |
- int error_; |
- |
- MOJO_DISALLOW_COPY_AND_ASSIGN(Setter); |
- }; |
- |
- virtual int Get() const = 0; |
- virtual void Set(int error) = 0; |
- |
- protected: |
- ErrnoImpl() {} |
- // Important: Destructors should not modify (the "real") errno (or any global |
- // state that may affect implementations of |ErrnoImpl|). |
- virtual ~ErrnoImpl() {} |
- |
- private: |
- MOJO_DISALLOW_COPY_AND_ASSIGN(ErrnoImpl); |
-}; |
- |
-} // namespace mojio |
- |
-#endif // SERVICES_FILES_C_LIB_ERRNO_IMPL_H_ |