fd-utils.cpp File Reference

File descriptor utility functions. More...

#include "config.hpp"
#include "utils/fd-utils.hpp"
#include "utils/exception.hpp"
#include "logger/logger.hpp"
#include <cerrno>
#include <cstring>
#include <chrono>
#include <unistd.h>
#include <fcntl.h>
#include <poll.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <boost/filesystem.hpp>

Namespaces
	utils

Macros
#define	_GNU_SOURCE

Functions
int	utils::open (const std::string &path, int flags, mode_t mode=-1)
	Open a file. More...
void	utils::close (int fd)
	Close the file descriptor. More...
void	utils::shutdown (int fd)
	Shut down part of a full-duplex connection. More...
int	utils::ioctl (int fd, unsigned long request, void *argp)
	Operation on a special file. More...
int	utils::dup2 (int olfFD, int newFD, bool closeOnExec=false)
	Duplicate one file desciptor onto another. More...
void	utils::write (int fd, const void *bufferPtr, const size_t size, int timeoutMS=5000)
	Write to a file descriptor, throw on error. More...
void	utils::read (int fd, void *bufferPtr, const size_t size, int timeoutMS=5000)
	Read from a file descriptor, throw on error. More...
unsigned int	utils::getMaxFDNumber ()
void	utils::setMaxFDNumber (unsigned int limit)
	Set the software and hardware limit of file descriptors for this process. More...
unsigned int	utils::getFDNumber ()
int	utils::fdRecv (int socket, const unsigned int timeoutMS=5000)
	Receive fd via Unix Domain socket. More...
bool	utils::fdSend (int socket, int fd, const unsigned int timeoutMS=5000)
	Send Socket via Unix Domain socket. More...
void	utils::setCloseOnExec (int fd, bool closeOnExec)
	Set or remove CLOEXEC on a file descriptor. More...
void	utils::setNonBlocking (int fd, bool nonBlocking)
	Set or remove NONBLOCK on a file descriptor. More...

Detailed Description

File descriptor utility functions.

Author

Jan Olszak (j.ols.nosp@m.zak@.nosp@m.samsu.nosp@m.ng.c.nosp@m.om)

Macro Definition Documentation

#define _GNU_SOURCE