include/fcntl.h File Reference

#include <stdarg.h>

Include dependency graph for fcntl.h:

Go to the source code of this file.

Defines
#define	_ABLE_CLIB_FCNTL_H   1
#define	__FILEFLAG(x)   ((x) << 16)
#define	O_CREAT   __FILEFLAG(1)
#define	O_EXCL   __FILEFLAG(2)
#define	O_NOCTY   __FILEFLAG(4)
#define	O_TRUNC   __FILEFLAG(8)
#define	O_APPEND   __FILEFLAG(16)
#define	O_NONBLOCK   __FILEFLAG(32)
#define	O_NDELAY   O_NONBLOCK
#define	O_SYNC   __FILEFLAG(64)
#define	O_DIRECTORY   __FILEFLAG(128)
#define	O_LOCAL   __FILEFLAG(1<<14)
	File is not global.
#define	O_GLOBAL   __FILEFLAG(1<<15)
	File is global.
#define	O_RDONLY   (1 << 14)
#define	O_WRONLY   (2 << 14)
#define	O_RDWR   (3 << 14)
#define	O_STDSHIFT   (24)
#define	O_STDMASK   (15 << O_STDSHIFT )
#define	O_STDIN   (1 << O_STDSHIFT)
#define	O_STDOUT   (2 << O_STDSHIFT)
#define	O_STDERR   (3 << O_STDSHIFT)
#define	F_GETFL   (1)
#define	F_SETFL   (2)
#define	F_SETOPT   (3)
#define	F_SENDMSG   (4)
#define	F_SUBMODE   (5)
#define	IOCPARM_MASK   0x7fU
#define	IOC_VOID   0x20000000UL
#define	IOC_OUT   0x40000000UL
#define	IOC_IN   0x80000000UL
#define	IOC_INOUT   (IOC_IN|IOC_OUT)
#define	_IO(x, y)   (IOC_VOID|((x)<<8)|(y))
#define	_IOR(x, y, t)   (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define	_IOW(x, y, t)   (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define	FIONREAD   _IOR('f', 127, unsigned long)
#define	FIONBIO   _IOW('f', 126, unsigned long)
Functions
int	open (const char *file, int oflag,...)
int	creat (const char *pathname, mode_t mode)
int	vfcntl (int fd, va_list va)
int	fcntl (int fd,...)
	File control.

---

Define Documentation

#define __FILEFLAG

(

x

)

((x) << 16)

#define _ABLE_CLIB_FCNTL_H   1

#define _IO	(	x,
		y		)	(IOC_VOID|((x)<<8)|(y))

#define _IOR	(	x,
		y,
		t		)	(IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))

#define _IOW	(	x,
		y,
		t		)	(IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))

#define F_GETFL   (1)

#define F_SENDMSG   (4)

#define F_SETFL   (2)

#define F_SETOPT   (3)

#define F_SUBMODE   (5)

#define FIONBIO   _IOW('f', 126, unsigned long)

#define FIONREAD   _IOR('f', 127, unsigned long)

#define IOC_IN   0x80000000UL

#define IOC_INOUT   (IOC_IN|IOC_OUT)

#define IOC_OUT   0x40000000UL

#define IOC_VOID   0x20000000UL

#define IOCPARM_MASK   0x7fU

#define O_APPEND   __FILEFLAG(16)

#define O_CREAT   __FILEFLAG(1)

#define O_DIRECTORY   __FILEFLAG(128)

#define O_EXCL   __FILEFLAG(2)

#define O_GLOBAL   __FILEFLAG(1<<15)

File is global.

#define O_LOCAL   __FILEFLAG(1<<14)

File is not global.

#define O_NDELAY   O_NONBLOCK

#define O_NOCTY   __FILEFLAG(4)

#define O_NONBLOCK   __FILEFLAG(32)

#define O_RDONLY   (1 << 14)

#define O_RDWR   (3 << 14)

#define O_STDERR   (3 << O_STDSHIFT)

#define O_STDIN   (1 << O_STDSHIFT)

#define O_STDMASK   (15 << O_STDSHIFT )

#define O_STDOUT   (2 << O_STDSHIFT)

#define O_STDSHIFT   (24)

#define O_SYNC   __FILEFLAG(64)

#define O_TRUNC   __FILEFLAG(8)

#define O_WRONLY   (2 << 14)

---

Function Documentation

int creat	(	const char *	pathname,
		mode_t	mode
	)

int fcntl	(	int	fd,
			...
	)

File control.

Manipulate an FD in one of various ways.

Parameters:

	fd	FD to manipulate.
	...	The settings to prod.

Returns:

value on success, -1 on errno, with errno set.

int open	(	const char *	file,
		int	oflag,
			...
	)

int vfcntl	(	int	fd,
		va_list	va
	)