diff options
Diffstat (limited to 'gold/fileread.h')
| -rw-r--r-- | gold/fileread.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gold/fileread.h b/gold/fileread.h index 9933460..a81b5fe 100644 --- a/gold/fileread.h +++ b/gold/fileread.h @@ -170,7 +170,7 @@ class File_read // interface, and it would be nice to have something more automatic. void clear_uncached_views() - { this->clear_views(false); } + { this->clear_views(CLEAR_VIEWS_ARCHIVE); } // A struct used to do a multiple read. struct Read_multiple_entry @@ -214,6 +214,17 @@ class File_read get_mtime(); private: + // Control for what views to clear. + enum Clear_views_mode + { + // Clear uncached views not used by an archive. + CLEAR_VIEWS_NORMAL, + // Clear all uncached views (including in an archive). + CLEAR_VIEWS_ARCHIVE, + // Clear all views (i.e., we're destroying the file). + CLEAR_VIEWS_ALL + }; + // This class may not be copied. File_read(const File_read&); File_read& operator=(const File_read&); @@ -303,6 +314,12 @@ class File_read accessed() const { return this->accessed_; } + // Returns TRUE if this view contains permanent data -- e.g., data that + // was supplied by the owner of the File object. + bool + is_permanent_view() const + { return this->data_ownership_ == DATA_NOT_OWNED; } + private: View(const View&); View& operator=(const View&); @@ -366,7 +383,7 @@ class File_read // Clear the file views. void - clear_views(bool); + clear_views(Clear_views_mode); // The size of a file page for buffering data. static const off_t page_size = 8192; |