NAME¶

rfio_lseek - positions/repositions a file

SYNOPSIS¶

#include <sys/types.h>
#include "rfio_api.h"

off_t rfio_lseek (int s, off_t offset, int how);

Under Linux, for large files:
#define _LARGEFILE64_SOURCE
#include <sys/types.h>
#include "rfio_api.h"

off64_t rfio_lseek64 (int s, off64_t offset, int how);

For large files, under other systems:
#include <sys/types.h>
#include "rfio_api.h"

off64_t rfio_lseek64 (int s, off64_t offset, int how);

DESCRIPTION¶

rfio_lseek positions/repositions to offset the file associated with the descriptor s generated by a previous rfio_open. how indicates how to interpret the offset value:

rfio_lseek64 performs the same function on large files using off64_t rather than off_t.

RETURN VALUE¶

This routine returns -1 if the operation failed or the actual offset from the beginning of file. In case of failure, serrno is set appropriately.

ERRORS¶

EBADF

s is not a valid descriptor.

EINVAL

incorrect value for how.

SENOSHOST

Host unknown.

SENOSSERV

Service unknown.

SETIMEDOUT

Timed out.

SEBADVERSION

Version ID mismatch.

SEINTERNAL

Internal error.

SECONNDROP

Connection closed by remote end.

SECOMERR

Communication error.

SEE ALSO¶

rfio_open(3)

AUTHOR¶

LCG Grid Deployment Team