utilities.hpp File Reference

#include <chrono>
#include <functional>
#include <limits>
#include <string>
#include <vector>
#include "rclcpp/context.hpp"
#include "rclcpp/init_options.hpp"
#include "rclcpp/visibility_control.hpp"

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Namespaces
	rclcpp
	This header provides the get_node_base_interface() template function.

Functions
void	rclcpp::init (int argc, char const *const argv[], const InitOptions &init_options=InitOptions())
	Initialize communications via the rmw implementation and set up a global signal handler. More...
bool	rclcpp::install_signal_handlers ()
	Install the global signal handler for rclcpp. More...
bool	rclcpp::signal_handlers_installed ()
	Return true if the signal handlers are installed, otherwise false. More...
bool	rclcpp::uninstall_signal_handlers ()
	Uninstall the global signal handler for rclcpp. More...
std::vector< std::string >	rclcpp::init_and_remove_ros_arguments (int argc, char const *const argv[], const InitOptions &init_options=InitOptions())
	Initialize communications via the rmw implementation and set up a global signal handler. More...
std::vector< std::string >	rclcpp::remove_ros_arguments (int argc, char const *const argv[])
	Remove ROS-specific arguments from argument vector. More...
bool	rclcpp::ok (rclcpp::Context::SharedPtr context=nullptr)
	Check rclcpp's status. More...
bool	rclcpp::is_initialized (rclcpp::Context::SharedPtr context=nullptr)
	Return true if init() has already been called for the given context. More...
bool	rclcpp::shutdown (rclcpp::Context::SharedPtr context=nullptr, const std::string &reason="user called rclcpp::shutdown()")
	Shutdown rclcpp context, invalidating it for derived entities. More...
void	rclcpp::on_shutdown (std::function< void()> callback, rclcpp::Context::SharedPtr context=nullptr)
	Register a function to be called when shutdown is called on the context. More...
bool	rclcpp::sleep_for (const std::chrono::nanoseconds &nanoseconds, rclcpp::Context::SharedPtr context=nullptr)
	Use the global condition variable to block for the specified amount of time. More...
template<typename T >
bool	rclcpp::add_will_overflow (const T x, const T y)
	Safely check if addition will overflow. More...
template<typename T >
bool	rclcpp::add_will_underflow (const T x, const T y)
	Safely check if addition will underflow. More...
template<typename T >
bool	rclcpp::sub_will_overflow (const T x, const T y)
	Safely check if subtraction will overflow. More...
template<typename T >
bool	rclcpp::sub_will_underflow (const T x, const T y)
	Safely check if subtraction will underflow. More...
const char *	rclcpp::get_c_string (const char *string_in)
	Return the given string. More...
const char *	rclcpp::get_c_string (const std::string &string_in)
	Return the C string from the given std::string. More...