src/share/vm/logging/logStream.inline.hpp

*** 23,32 ****
--- 23,33 ----
   */
  #ifndef SHARE_VM_LOGGING_LOGSTREAM_INLINE_HPP
  #define SHARE_VM_LOGGING_LOGSTREAM_INLINE_HPP
  
  #include "logging/log.hpp"
+ #include "logging/logHandle.hpp"
  #include "logging/logStream.hpp"
  #include "memory/resourceArea.hpp"
  #include "utilities/ostream.hpp"
  
  inline void LogStreamNoResourceMark::print(const char* fmt, ...) {
*** 73,82 ****
--- 74,92 ----
    template <LogLevelType level, LogTagType T0, LogTagType T1, LogTagType T2, LogTagType T3, LogTagType T4, LogTagType GuardTag>
    LogStream(const LogTargetImpl<level, T0, T1, T2, T3, T4, GuardTag>* type_carrier) :
        _embedded_resource_mark(),
        _stream(&LogImpl<T0, T1, T2, T3, T4, GuardTag>::template vwrite<level>) {}
  
+   // Constructor to support creation from a LogTargetHandle.
+   //
+   // LogTargt(Debug, gc) log;
+   // LogTargetHandle(log) handle;
+   // LogStream stream(handle);
+   LogStream(LogTargetHandle handle) :
+       _embedded_resource_mark(),
+       _stream(handle._vwrite) {}
+ 
    // Override of outputStream::write.
    void write(const char* s, size_t len) { _stream.write(s, len); }
  };
  
  // Support creation of a LogStream without having to provide a LogTarget pointer.