FHOPEN(2) BSD System Calls Manual FHOPEN(2)NAMEfhopen — open a file by file handle
SYNOPSIS
#include <sys/types.h>
#include <sys/mount.h>
int
fhopen(const struct fhandle *fhp, int flags);
DESCRIPTION
The file specified by the given file handle is opened for reading and/or
writing, as specified by the argument flags; the file descriptor is
returned to the calling process.
This system call is restricted to the super-user and is used by an NFS
server's rpc.lockd(8) daemon to open a file in order to perform locking
operations on it.
RETURN VALUES
Upon successful completion, a value of 0 is returned. Otherwise, -1 is
returned and the global variable errno is set to indicate the error.
ERRORSfhopen() fails if one or more of the following are true:
[ESTALE] The file handle no longer refers to a valid, NFS-
exported object.
[EPERM] The caller is not the super-user.
[EINVAL] There was a problem with the value of one of the argu‐
ments.
[EFAULT] fhp points to an invalid address.
SEE ALSOrpc.lockd(8)BSD January 9, 2007 BSD