Add [[nodiscard]] to Close() and Sync()

2 files changed, 4 insertions, 4 deletions

diff --git a/fastos/src/vespa/fastos/file.h b/fastos/src/vespa/fastos/file.h
index a352c6281a3..aa8f495d064 100644
--- a/fastos/src/vespa/fastos/file.h
+++ b/fastos/src/vespa/fastos/file.h
@@ -309,7 +309,7 @@ public:
      * already is closed.
      * @return Boolean success/failure
      */
-    virtual bool Close() = 0;
+    [[nodiscard]] virtual bool Close() = 0;
 
     /**
      * Is the file currently opened?
@@ -439,7 +439,7 @@ public:
     /**
      * Force completion of pending disk writes (flush cache).
      */
-    virtual bool Sync() = 0;
+    [[nodiscard]] virtual bool Sync() = 0;
 
     /**
      * Are we in some kind of file read mode?
diff --git a/fastos/src/vespa/fastos/unix_file.h b/fastos/src/vespa/fastos/unix_file.h
index c0a908a5948..891b5e0dba7 100644
--- a/fastos/src/vespa/fastos/unix_file.h
+++ b/fastos/src/vespa/fastos/unix_file.h
@@ -61,7 +61,7 @@ public:
     ssize_t Read(void *buffer, size_t len) override;
     ssize_t Write2(const void *buffer, size_t len) override;
     bool Open(unsigned int openFlags, const char *filename) override;
-    bool Close() override;
+    [[nodiscard]] bool Close() override;
     bool IsOpened() const override { return _filedes >= 0; }
 
     void enableMemoryMap(int flags) override {
@@ -87,7 +87,7 @@ public:
     int64_t GetSize() override;
     time_t GetModificationTime() override;
     bool Delete() override;
-    bool Sync() override;
+    [[nodiscard]] bool Sync() override;
     bool SetSize(int64_t newSize) override;
     void dropFromCache() const override;