io.h File Reference

#include <alloca.h>
#include <assert.h>
#include <stdarg.h>
#include <stdint.h>
#include "_internal/ERR.h"
#include "_internal/MAX_NAME.h"
#include "_internal/MAX_PATH.h"
#include "_internal/NULL.h"
#include "_internal/SEEK.h"
#include "_internal/clock_t.h"
#include "_internal/config.h"
#include "_internal/fd_t.h"
#include "_internal/time_t.h"

Include dependency graph for io.h:

Go to the source code of this file.

Data Structures
struct	pollfd_t
	Poll file descriptor structure. More...
struct	stat_t
	Stat type. More...
struct	dirent_t
	Directory entry struct. More...
struct	key_t
	Key type. More...

Macros
#define	STDIN_FILENO   0
#define	STDOUT_FILENO   1
#define	STDERR_FILENO   2
#define	PIPE_READ   0
	Pipe read end.
#define	PIPE_WRITE   1
	Pipe write end.
#define	F_MAX_SIZE   512
	Maximum buffer size for the F() macro.
#define	F(format, ...)
	Format string macro.
#define	POLL_SPECIAL   (POLLERR | POLLHUP | POLLNVAL)
	Poll event values that will always be checked and included even if not specified.
#define	KEY_SIZE   16
	Size of keys in bytes.

Typedefs
typedef uint8_t	seek_origin_t
	Type for the seek() origin argument.
typedef uint64_t	inode_number_t
	Inode number enum.

Enumerations
enum	poll_events_t {   POLLNONE = 0 , POLLIN = (1 << 0) , POLLOUT = (1 << 1) , POLLERR = (1 << 2) ,   POLLHUP = (1 << 3) , POLLNVAL = (1 << 4) }
	Poll events type. More...
enum	inode_type_t { INODE_FILE , INODE_DIR }
	Inode type enum. More...
enum	mount_flags_t { MOUNT_NONE = 0 , MOUNT_PROPAGATE_PARENT = 1 << 0 , MOUNT_PROPAGATE_CHILDREN = 1 << 1 , MOUNT_OVERWRITE = 1 << 2 }
	Mount flags type. More...

Functions
fd_t	open (const char *path)
	System call for opening files.
uint64_t	open2 (const char *path, fd_t fd[2])
	System call for opening 2 file descriptors from one file.
fd_t	openat (fd_t from, const char *path)
	System call for opening files relative to another file descriptor.
uint64_t	close (fd_t fd)
	System call for closing files.
uint64_t	read (fd_t fd, void *buffer, uint64_t count)
	System call for reading from files.
char *	sread (fd_t fd)
	Wrapper for reading a file directly into a null-terminated string.
uint64_t	write (fd_t fd, const void *buffer, uint64_t count)
	System call for writing to files.
uint64_t	swrite (fd_t fd, const char *string)
	Wrapper for writing a null-terminated string to a file.
uint64_t	readfile (const char *path, void *buffer, uint64_t count, uint64_t offset)
	Wrapper for reading a file directly using a path.
char *	sreadfile (const char *path)
	Wrapper for reading an entire file directly into a null-terminated string.
uint64_t	writefile (const char *path, const void *buffer, uint64_t count, uint64_t offset)
	Wrapper for writing to a file directly using a path.
uint64_t	swritefile (const char *path, const char *string)
	Wrapper for writing a null-terminated string directly to a file using a path.
uint64_t	seek (fd_t fd, int64_t offset, seek_origin_t origin)
	System call for changing the file offset.
uint64_t	chdir (const char *path)
	System call for changing the cwd.
uint64_t	poll (pollfd_t *fds, uint64_t amount, clock_t timeout)
	System call for polling files.
poll_events_t	poll1 (fd_t fd, poll_events_t events, clock_t timeout)
	Wrapper for polling one file.
uint64_t	stat (const char *path, stat_t *stat)
	System call for retrieving info about a file or directory.
uint64_t	ioctl (fd_t fd, uint64_t request, void *argp, uint64_t size)
	System call for extended driver behaviour.
fd_t	dup (fd_t oldFd)
	System call for duplicating file descriptors.
fd_t	dup2 (fd_t oldFd, fd_t newFd)
	System call for duplicating file descriptors, with a destination.
uint64_t	getdents (fd_t fd, dirent_t *buffer, uint64_t count)
	System call for reading directory entires.
uint64_t	mkdir (const char *path)
	Wrapper for creating a directory.
uint64_t	rmdir (const char *path)
	Wrapper for removing a directory.
uint64_t	link (const char *oldPath, const char *newPath)
	System call for creating a hardlink.
uint64_t	unlink (const char *path)
	Wrapper for removing a file.
uint64_t	share (key_t *key, fd_t fd, clock_t timeout)
	System call for sharing a file descriptor with another process.
fd_t	claim (key_t *key)
	System call for claiming a shared file descriptor.
uint64_t	bind (fd_t source, const char *mountpoint, mount_flags_t flags)
	System call for binding a file descriptor to a mountpoint.