TestProcessSignalHandler Class Reference

#include <TestProcessSignalHandler.h>

Static Public Member Functions
static void	registerSignalHandler ()
static void	addShutdownCallback (std::function< void()> shutdown_callback)

Static Private Member Functions
static void	shutdownSubsystemsAndExit (int signal_number)

Static Private Attributes
static bool	has_registered_signal_handler_ {false}
static std::vector < std::function< void()> >	shutdown_callbacks_ {}

Detailed Description

Definition at line 22 of file TestProcessSignalHandler.h.

Member Function Documentation

void TestProcessSignalHandler::addShutdownCallback ( std::function< void()>  shutdown_callback )

static

Definition at line 34 of file TestProcessSignalHandler.cpp.

References shutdown_callbacks_.

Referenced by anonymous_namespace{QueryRunner.cpp}::setup_signal_handler().

                                           {
  shutdown_callbacks_.emplace_back(shutdown_callback);
}

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void TestProcessSignalHandler::registerSignalHandler ( )

static

Definition at line 25 of file TestProcessSignalHandler.cpp.

References has_registered_signal_handler_, and shutdownSubsystemsAndExit().

Referenced by anonymous_namespace{QueryRunner.cpp}::setup_signal_handler().

                                                     {
  if (!has_registered_signal_handler_) {
    std::signal(SIGTERM, shutdownSubsystemsAndExit);
    std::signal(SIGSEGV, shutdownSubsystemsAndExit);
    std::signal(SIGABRT, shutdownSubsystemsAndExit);
    has_registered_signal_handler_ = true;
  }
}

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void TestProcessSignalHandler::shutdownSubsystemsAndExit ( int  signal_number )

staticprivate

Definition at line 39 of file TestProcessSignalHandler.cpp.

References logger::shutdown(), and shutdown_callbacks_.

Referenced by registerSignalHandler().

                                                                          {
  std::cerr << __func__ << ": Interrupt signal (" << signal_number << ") received."
            << std::endl;

  // Perform additional shutdowns
  for (auto& callback : shutdown_callbacks_) {
    callback();
  }

  // Shutdown logging force a flush
  logger::shutdown();

  // Terminate program
  // TODO: Why convert SIGTERM to EXIT_SUCCESS?
  int const exit_code = signal_number == SIGTERM ? EXIT_SUCCESS : signal_number;
#ifdef __APPLE__
  std::exit(exit_code);
#else
  std::quick_exit(exit_code);
#endif
}

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Member Data Documentation

bool TestProcessSignalHandler::has_registered_signal_handler_ {false}

staticprivate

Definition at line 30 of file TestProcessSignalHandler.h.

Referenced by registerSignalHandler().

std::vector< std::function< void()> > TestProcessSignalHandler::shutdown_callbacks_ {}

staticprivate

Definition at line 31 of file TestProcessSignalHandler.h.

Referenced by addShutdownCallback(), and shutdownSubsystemsAndExit().

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

• /home/jenkins-slave/workspace/core-os-doxygen/QueryRunner/TestProcessSignalHandler.h
• /home/jenkins-slave/workspace/core-os-doxygen/QueryRunner/TestProcessSignalHandler.cpp