syscalls.h File Reference

The sofs19 system calls. More...

#include <unistd.h>
#include <fcntl.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/statvfs.h>
#include <sys/stat.h>
#include <time.h>
#include <utime.h>
#include <libgen.h>

Go to the source code of this file.

Functions
int	soMknod (const char *path, mode_t mode)
	Create a regular file with size 0. More...
int	soLink (const char *path, const char *newPath)
	Make a new link to a file. More...
int	soUnlink (const char *path)
	Delete a link to a file from a directory and possibly the file it refers to from the file system. More...
int	soMkdir (const char *path, mode_t mode)
	Create a directory. More...
int	soRmdir (const char *path)
	Remove an existing directory. More...
int	soRead (const char *path, void *buff, uint32_t count, int32_t pos)
	Read data from an open regular file. More...
int	soWrite (const char *path, void *buff, uint32_t count, int32_t pos)
	Write data into an open regular file. More...
int	soRename (const char *path, const char *newPath)
	Change the name or the location of a file in the directory hierarchy of the file system. More...
int	soTruncate (const char *path, off_t length)
	Truncate a regular file to a specified length. More...
int	soReaddir (const char *path, void *buff, int32_t pos)
	Read a directory entry from a directory. More...
int	soSymlink (const char *effPath, const char *path)
	Creates a symbolic link which contains the given path. More...
int	soReadlink (const char *path, char *buff, size_t size)
	Read the value of a symbolic link. More...
int	soOpenFileSystem (const char *devname)
	Open the sofs19 file system. More...
int	soCloseFileSystem (void)
	Close the sofs19 file system. More...
int	soStatFS (const char *path, struct statvfs *st)
	Get file system statistics. More...
int	soStat (const char *path, struct stat *st)
	Get file status. More...
int	soAccess (const char *path, int opRequested)
	Check real user's permissions for a file. More...
int	soChmod (const char *path, mode_t mode)
	Change permissions of a file. More...
int	soChown (const char *path, uid_t owner, gid_t group)
	Change the ownership of a file. More...
int	soUtime (const char *path, const struct utimbuf *times)
	Change the last access and modification times of a file. More...
int	soUtimens (const char *path, const struct timespec tv[2])
	Change the last access and modification times of a file with nanosecond resolution. More...
int	soOpen (const char *path, int flags)
	Open a regular file. More...
int	soClose (const char *path)
	Close a regular file. More...
int	soFsync (const char *path)
	Synchronize a file's in-core state with storage device. More...
int	soOpendir (const char *path)
	Open a directory for reading. More...
int	soClosedir (const char *path)
	Close a directory. More...

Detailed Description

The sofs19 system calls.

The set of system calls are divided into two subsets:

• one, contains the set of system calls for evaluation;
• the other, constains the remaining required system calls

Author

Artur Carneiro Pereira 2007-2009, 2016-2019

Miguel Oliveira e Silva 2009, 2017

António Rui Borges - 2010–2015