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src/share/vm/utilities/ostream.hpp

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rev 8932 : imported patch 8046148
*** 233,242 ****
--- 233,254 ----
    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
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