posix.hpp File Reference

#include <cstddef>
#include <utility>
#include <w/assert.hpp>
#include <w/handle.hpp>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/uio.h>

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Classes
struct	w::memory_region
	A structure holding details about a memory-mapped file or device. More...

Namespaces
namespace	w

Typedefs
typedef w::handle< int, -1, ::close >	w::fd
	An RAII util::handle type for POSIX file descriptors. More...

Functions
int	w::fcntl (int fd, int cmd)
	Controls a file descriptor. More...
template<typename Argument >
int	w::fcntl (int fd, int cmd, const Argument &arg)
	Controls a file descriptor. More...
int	w::ioctl (int fd, unsigned long request, void *arg)
	Controls a device. More...
int	w::ioctl (int fd, unsigned long request, const void *arg)
	Controls a device. More...
template<typename Argument >
int	w::ioctl (int fd, unsigned long request, Argument &arg)
	Controls a device. More...
template<typename Argument >
int	w::ioctl (int fd, unsigned long request, const Argument &arg)
	Controls a device. More...
template<typename Argument >
Argument	w::ioctl (int fd, unsigned long request)
	Controls a device. More...
std::size_t	w::lseek (int fd, off_t offset, int whence)
	Sets the position of a file pointer for a file descriptor. More...
w::fd	w::open (const char *pathname, int flags)
	Opens and possibly creates a file. More...
w::fd	w::open (const char *pathname, int flags, mode_t mode)
	Opens and possibly creates a file. More...
std::pair< w::fd, w::fd >	w::pipe ()
	Creates a pipe. More...
std::size_t	w::read (int fd, void *buf, std::size_t count)
	Reads data from a file descriptor. More...
std::size_t	w::readv (int fd, const struct iovec *iov, int iovcnt)
	Reads data from a file descriptor. More...
std::size_t	w::write (int fd, const void *buf, std::size_t count)
	Writes data to a file descriptor. More...
std::size_t	w::writev (int fd, const struct iovec *iov, int iovcnt)
	Writes data to a file descriptor. More...