folly::LogStreamVoidify< true > Class Template Reference

#include <LogStreamProcessor.h>

Public Member Functions
void	operator& (std::ostream &)

Detailed Description

template<>
class folly::LogStreamVoidify< true >

Definition at line 487 of file LogStreamProcessor.h.

Member Function Documentation

void folly::LogStreamVoidify< true >::operator&

(

std::ostream &

stream

)

A specialized noreturn version of operator&() for fatal log statements.

Definition at line 214 of file LogStreamProcessor.cpp.

References folly::LogStream::getProcessor(), folly::LogStreamProcessor::logNow(), and folly::LogStreamProcessor::stream().

                                                         {
  // Non-fatal log messages wait until the LogStreamProcessor destructor to log
  // the message.  However for fatal messages we log immediately in the &
  // operator, since it is marked noreturn.
  //
  // This does result in slightly larger emitted code for fatal log messages
  // (since the operator & call cannot be completely omitted).  However, fatal
  // log messages should typically be much more rare than non-fatal messages,
  // so the small amount of extra overhead shouldn't be a big deal.
  auto& logStream = static_cast<LogStream&>(stream);
  logStream.getProcessor()->logNow();
  abort();
}

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The documentation for this class was generated from the following files:

• proxygen/folly/folly/logging/LogStreamProcessor.h
• proxygen/folly/folly/logging/LogStreamProcessor.cpp