kern_descrip.h File Reference

#include <sys/thread.h>
#include <sys/sysproto.h>
#include <vfs/file.h>

Include dependency graph for kern_descrip.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures

struct  __timespec
struct  file
struct  stat

Defines

#define F_DUPFD   0
#define F_GETFD   1
#define F_GETFL   3
#define F_GETLK   7
#define F_GETOWN   5
#define F_SETFD   2
#define F_SETFL   4
#define F_SETLK   8
#define F_SETLKW   9
#define F_SETOWN   6
#define FAPPEND   O_APPEND
#define FASYNC   O_ASYNC
#define FCNTLFLAGS   (FAPPEND|FASYNC|FFSYNC|FNONBLOCK|FPOSIXSHM|O_DIRECT)
#define FFLAGS(oflags)   ((oflags) + 1)
#define FFSYNC   O_FSYNC
#define FHASLOCK   0x4000
#define FNDELAY   O_NONBLOCK
#define FNONBLOCK   O_NONBLOCK
#define FPOSIXSHM   O_NOFOLLOW
#define FREAD   0x0001
#define FWRITE   0x0002
#define O_ACCMODE   0x0003
#define O_APPEND   0x0008
#define O_ASYNC   0x0040
#define O_CREAT   0x0200
#define O_DIRECT   0x00010000
#define O_EXCL   0x0800
#define O_EXLOCK   0x0020
#define O_FSYNC   0x0080
#define O_NDELAY   O_NONBLOCK
#define O_NOFOLLOW   0x0100
#define O_NONBLOCK   0x0004
#define O_RDONLY   0x0000
#define O_RDWR   0x0002
#define O_SHLOCK   0x0010
#define O_SYNC   0x0080
#define O_TRUNC   0x0400
#define O_WRONLY   0x0001
#define OFLAGS(fflags)   ((fflags) - 1)

Typedefs

typedef __mode_t mode_t
typedef __nlink_t nlink_t

Functions

int close (struct thread *, struct close_args *)
int falloc (struct thread *, struct file **, int *)
int fcntl (struct thread *, struct fcntl_args *)
int fstat (struct thread *, struct fstat_args *)
int getdtablesize (struct thread *, struct getdtablesize_args *)
 return data table size
int getfd (struct thread *td, struct file **fp, int fd)
 get pointer to file fd in specified thread
int ioctl (struct thread *, struct ioctl_args *)
 ioctl functionality not implimented yet


Define Documentation

#define F_DUPFD   0

Definition at line 42 of file kern_descrip.h.

#define F_GETFD   1

Definition at line 43 of file kern_descrip.h.

#define F_GETFL   3

Definition at line 45 of file kern_descrip.h.

#define F_GETLK   7

Definition at line 49 of file kern_descrip.h.

#define F_GETOWN   5

Definition at line 47 of file kern_descrip.h.

#define F_SETFD   2

Definition at line 44 of file kern_descrip.h.

#define F_SETFL   4

Definition at line 46 of file kern_descrip.h.

#define F_SETLK   8

Definition at line 50 of file kern_descrip.h.

#define F_SETLKW   9

Definition at line 51 of file kern_descrip.h.

#define F_SETOWN   6

Definition at line 48 of file kern_descrip.h.

#define FAPPEND   O_APPEND

Definition at line 78 of file kern_descrip.h.

#define FASYNC   O_ASYNC

Definition at line 79 of file kern_descrip.h.

#define FCNTLFLAGS   (FAPPEND|FASYNC|FFSYNC|FNONBLOCK|FPOSIXSHM|O_DIRECT)

Definition at line 88 of file kern_descrip.h.

Referenced by fcntl().

#define FFLAGS ( oflags   )     ((oflags) + 1)

Definition at line 90 of file kern_descrip.h.

Referenced by fcntl().

#define FFSYNC   O_FSYNC

Definition at line 80 of file kern_descrip.h.

#define FHASLOCK   0x4000

Definition at line 74 of file kern_descrip.h.

#define FNDELAY   O_NONBLOCK

Definition at line 82 of file kern_descrip.h.

#define FNONBLOCK   O_NONBLOCK

Definition at line 81 of file kern_descrip.h.

#define FPOSIXSHM   O_NOFOLLOW

Definition at line 84 of file kern_descrip.h.

#define FREAD   0x0001

Definition at line 54 of file kern_descrip.h.

Referenced by pipe().

#define FWRITE   0x0002

Definition at line 55 of file kern_descrip.h.

Referenced by pipe().

#define O_ACCMODE   0x0003

Definition at line 71 of file kern_descrip.h.

Referenced by fcntl().

#define O_APPEND   0x0008

Definition at line 57 of file kern_descrip.h.

#define O_ASYNC   0x0040

Definition at line 60 of file kern_descrip.h.

#define O_CREAT   0x0200

Definition at line 64 of file kern_descrip.h.

#define O_DIRECT   0x00010000

Definition at line 67 of file kern_descrip.h.

#define O_EXCL   0x0800

Definition at line 66 of file kern_descrip.h.

#define O_EXLOCK   0x0020

Definition at line 59 of file kern_descrip.h.

#define O_FSYNC   0x0080

Definition at line 61 of file kern_descrip.h.

#define O_NDELAY   O_NONBLOCK

Definition at line 83 of file kern_descrip.h.

#define O_NOFOLLOW   0x0100

Definition at line 63 of file kern_descrip.h.

#define O_NONBLOCK   0x0004

Definition at line 56 of file kern_descrip.h.

#define O_RDONLY   0x0000

Definition at line 68 of file kern_descrip.h.

#define O_RDWR   0x0002

Definition at line 70 of file kern_descrip.h.

#define O_SHLOCK   0x0010

Definition at line 58 of file kern_descrip.h.

#define O_SYNC   0x0080

Definition at line 62 of file kern_descrip.h.

#define O_TRUNC   0x0400

Definition at line 65 of file kern_descrip.h.

#define O_WRONLY   0x0001

Definition at line 69 of file kern_descrip.h.

#define OFLAGS ( fflags   )     ((fflags) - 1)

Definition at line 91 of file kern_descrip.h.


Typedef Documentation

typedef __mode_t mode_t

Definition at line 38 of file kern_descrip.h.

typedef __nlink_t nlink_t

Definition at line 39 of file kern_descrip.h.


Function Documentation

int close ( struct thread ,
struct close_args  
)

Definition at line 90 of file kern_descrip.c.

int falloc ( struct thread ,
struct file **  ,
int *   
)

Definition at line 67 of file kern_descrip.c.

References kmalloc(), kprintf(), and thread::o_files.

Referenced by pipe(), and sys_open().

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int fcntl ( struct thread ,
struct fcntl_args  
)

Definition at line 39 of file kern_descrip.c.

int fstat ( struct thread ,
struct fstat_args  
)

Definition at line 112 of file kern_descrip.c.

int getdtablesize ( struct thread ,
struct getdtablesize_args  
)

return data table size

Definition at line 103 of file kern_descrip.c.

int getfd ( struct thread td,
struct file **  fp,
int  fd 
)

get pointer to file fd in specified thread

Returns:
returns fp

Definition at line 141 of file kern_descrip.c.

References kprintf(), and thread::o_files.

Referenced by read().

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int ioctl ( struct thread td,
struct ioctl_args uap 
)

ioctl functionality not implimented yet

Returns:
NULL for now

Definition at line 131 of file kern_descrip.c.


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