FatalHelper.cpp File Reference

#include <folly/init/Init.h>
#include <folly/logging/xlog.h>
#include <folly/portability/Stdlib.h>
#include <iostream>

Go to the source code of this file.

Functions
	DEFINE_string (category,"","Crash with a message to this category instead of the default")
	DEFINE_bool (crash, true,"Crash with a fatal log message.")
	DEFINE_bool (check_debug, false,"Print whether this binary was built in debug mode ""and then exit successfully")
	DEFINE_bool (fail_fatal_xlog_if, false,"Fail an XLOG_IF(FATAL) check.")
	DEFINE_bool (fail_dfatal_xlog_if, false,"Fail an XLOG_IF(DFATAL) check.")
	DEFINE_bool (fail_xcheck, false,"Fail an XCHECK() test.")
	DEFINE_bool (fail_xcheck_nomsg, false,"Fail an XCHECK() test with no additional message.")
	DEFINE_bool (fail_xdcheck, false,"Fail an XDCHECK() test.")
std::string	fbLogFatalCheck ()
int	main (int argc, char *argv[])

Function Documentation

DEFINE_bool	(	crash	,
		true	,
		"Crash with a fatal log message."
	)

DEFINE_bool	(	check_debug	,
		false	,
		"Print whether this binary was built in debug mode ""and then exit successfully"
	)

DEFINE_bool	(	fail_fatal_xlog_if	,
		false	,
		"Fail an XLOG_IF(FATAL) check."
	)

DEFINE_bool	(	fail_dfatal_xlog_if	,
		false	,
		"Fail an XLOG_IF(DFATAL) check."
	)

DEFINE_bool	(	fail_xcheck	,
		false	,
		"Fail an XCHECK() test."
	)

DEFINE_bool	(	fail_xcheck_nomsg	,
		false	,
		"Fail an XCHECK() test with no additional message."
	)

DEFINE_bool	(	fail_xdcheck	,
		false	,
		"Fail an XDCHECK() test."
	)

DEFINE_string	(	category	,
		""	,
		"Crash with a message to this category instead of the default"
	)

std::string fbLogFatalCheck

(

)

Definition at line 88 of file FatalHelper.cpp.

References FB_LOG.

                            {
  folly::Logger logger("some.category");
  FB_LOG(logger, FATAL) << "we always crash";
  // This function mostly exists to make sure the compiler does not warn
  // about a missing return statement here.
}

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 98 of file FatalHelper.cpp.

References bm::init(), folly::kIsDebug, XCHECK, XDCHECK, and XLOG_IF.

                                 {
  auto init = folly::Init(&argc, &argv);

  if (FLAGS_check_debug) {
    std::cout << "DEBUG=" << static_cast<int>(folly::kIsDebug) << "\n";
    return 0;
  }

  XLOG_IF(FATAL, FLAGS_fail_fatal_xlog_if) << "--fail_fatal_xlog_if specified!";
  XLOG_IF(DFATAL, FLAGS_fail_dfatal_xlog_if)
      << "--fail_dfatal_xlog_if specified!";
  XCHECK(!FLAGS_fail_xcheck) << ": --fail_xcheck specified!";
  XCHECK(!FLAGS_fail_xcheck_nomsg);
  XDCHECK(!FLAGS_fail_xdcheck) << ": --fail_xdcheck specified!";

  // Do most of the work in a separate helper function.
  //
  // The main reason for putting this in a helper function is to ensure that
  // the compiler does not warn about missing return statements on XLOG(FATAL)
  // code paths.  Unfortunately it appears like some compilers always suppress
  // this warning for main().
  return runHelper();
}