file.h File Reference

#include <sys/types.h>
#include <ubixfs/dirCache.h>
#include <sys/thread.h>
#include <vfs/inode.h>
#include <vfs/mount.h>
#include <ufs/ufs.h>

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Data Structures
struct	dmadat
struct	fileDescriptor
struct	sys_fwrite_args
struct	userFileDescriptorStruct

Macros
#define	DEV_BSHIFT   9 /* log2(DEV_BSIZE) */
#define	DEV_BSIZE   (1<<DEV_BSHIFT)
#define	MAX_OFILES   256
#define	SBLOCKSIZE   8192
#define	SEEK_CUR   1
#define	SEEK_END   2
#define	SEEK_SET   0
#define	VBLKSHIFT   12
#define	VBLKSIZE   (1 << VBLKSHIFT)

Typedefs
typedef struct fileDescriptor	fileDescriptor_t
typedef struct userFileDescriptorStruct	userFileDescriptor

Functions
int	fclose (fileDescriptor_t *)
int	feof (fileDescriptor_t *fd)
int	fgetc (fileDescriptor_t *fd)
fileDescriptor_t *	fopen (const char *, const char *)
size_t	fread (void *ptr, size_t size, size_t nmemb, fileDescriptor_t *fd)
int	fseek (fileDescriptor_t *, long, int)
size_t	fwrite (void *ptr, int size, int nmemb, fileDescriptor_t *fd)
int	getchar ()
int	sys_fwrite (struct thread *, struct sys_fwrite_args *)
int	sysFseek (userFileDescriptor *, long, int)
int	unlink (const char *path)
char *	verifyDir (const char *path)

Variables
fileDescriptor_t *	fdTable

Macro Definition Documentation

DEV_BSHIFT

#define DEV_BSHIFT   9 /* log2(DEV_BSIZE) */

Definition at line 50 of file file.h.

DEV_BSIZE

#define DEV_BSIZE   (1<<DEV_BSHIFT)

Definition at line 51 of file file.h.

MAX_OFILES

#define MAX_OFILES   256

Definition at line 53 of file file.h.

SBLOCKSIZE

#define SBLOCKSIZE   8192

Definition at line 49 of file file.h.

SEEK_CUR

#define SEEK_CUR   1

Definition at line 44 of file file.h.

SEEK_END

#define SEEK_END   2

Definition at line 45 of file file.h.

SEEK_SET

#define SEEK_SET   0

Definition at line 43 of file file.h.

VBLKSHIFT

#define VBLKSHIFT   12

Definition at line 47 of file file.h.

VBLKSIZE

#define VBLKSIZE   (1 << VBLKSHIFT)

Definition at line 48 of file file.h.

Typedef Documentation

fileDescriptor_t

typedef struct fileDescriptor fileDescriptor_t

userFileDescriptor

typedef struct userFileDescriptorStruct userFileDescriptor

Function Documentation

fclose()

int fclose

(

fileDescriptor_t *

)

Definition at line 533 of file file.c.

References file::fd, and spinLock().

Referenced by _sys_stat(), dup2(), elf_load_file(), execFile(), fcntl(), kmod_load(), ldEnable(), sys_close(), sys_fclose(), sys_fstatat(), sysExec(), sysMkDir(), and systemTask().

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feof()

int feof

(

fileDescriptor_t *

fd

)

Definition at line 343 of file file.c.

References file::fd, fdEof, and fileDescriptor::status.

fgetc()

int fgetc

(

fileDescriptor_t *

fd

)

Definition at line 372 of file file.c.

References file::fd, vfs_mountPoint::fs, kprintf(), fileDescriptor::mp, fileDescriptor::offset, and fileSystem::vfsRead.

Referenced by sys_fgetc().

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fopen()

fileDescriptor_t* fopen	(	const char *	,
		const char *
	)

Definition at line 395 of file file.c.

References _current, fileDescriptor::buffer, osInfo::cwd, file, fileAppend, fileBinary, fileDescriptor::fileName, fileRead, fileWrite, vfs_mountPoint::fs, kfree(), kmalloc(), kprintf(), memset(), fileDescriptor::mode, fileDescriptor::mp, NULL, taskStruct::oInfo, spinUnlock(), sprintf(), strcpy(), strstr(), strtok(), vfs_findMount(), and fileSystem::vfsOpenFile.

Referenced by _sys_stat(), elf_load_file(), execFile(), kern_openat(), kmod_load(), ldEnable(), sys_fopen(), sys_fstatat(), sys_openat(), sys_statfs(), sysExec(), sysMkDir(), and tcpdump_init().

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fread()

size_t fread	(	void *	ptr,
		size_t	size,
		size_t	nmemb,
		fileDescriptor_t *	fd
	)

Definition at line 297 of file file.c.

References assert, file::fd, vfs_mountPoint::fs, fileDescriptor::mp, fileDescriptor::offset, and fileSystem::vfsRead.

Referenced by elf_load_file(), execFile(), kmod_load(), ldEnable(), read(), sys_fread(), sys_getdirentries(), sys_mmap(), sys_pread(), sys_read(), and sysExec().

fseek()

int fseek	(	fileDescriptor_t *	,
		long	,
		int
	)

Definition at line 332 of file file.c.

Referenced by elf_load_file(), execFile(), kmod_load(), ldEnable(), sys_mmap(), and sysExec().

fwrite()

size_t fwrite	(	void *	ptr,
		int	size,
		int	nmemb,
		fileDescriptor_t *	fd
	)

Definition at line 317 of file file.c.

Referenced by sys_fwrite(), sys_write(), and sysFwrite().

getchar()

int getchar

(

)

Definition at line 343 of file atkbd.c.

References tty_foreground.

Referenced by sys_fgetc(), sys_pread(), and sys_read().

sys_fwrite()

int sys_fwrite	(	struct thread *	,
		struct sys_fwrite_args *
	)

Definition at line 49 of file file.c.

References _current, sys_fwrite_args::buf, userFileDescriptorStruct::fd, sys_fwrite_args::fd, fwrite(), kprintf(), sys_fwrite_args::nbytes, thread::td_retval, taskStruct::term, and tty_print().

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sysFseek()

int sysFseek	(	userFileDescriptor *	,
		long	,
		int
	)

unlink()

int unlink

(

const char *

path

)

Definition at line 629 of file file.c.

verifyDir()

char* verifyDir

(

const char *

path

)

Variable Documentation

fdTable

fileDescriptor_t* fdTable

Definition at line 45 of file file.c.