src/share/vm/utilities/ostream.hpp

rev 8932 : 8046148

@@ -233,10 +233,22 @@
   int fd() const { return _fd; }
   virtual void write(const char* c, size_t len);
   void flush() {};
 };
 
+class logStream : public outputStream {
+private:
+  stringStream _current_line;
+  void (*_log_func)(const char* fmt, ...);
+public:
+  void write(const char* s, size_t len);
+  logStream(void (*log_func)(const char* fmt, ...)) : _log_func(log_func) {}
+  ~logStream() {
+    guarantee(_current_line.size() == 0, "Buffer not flushed. Missing call to print_cr()?");
+  }
+};
+
 class gcLogFileStream : public fileStream {
  protected:
   const char*  _file_name;
   jlong  _bytes_written;
   uintx  _cur_file_num;             // current logfile rotation number, from 0 to NumberOfGCLogFiles-1