fattach(3C)fattach(3C)NAMEfattach - attach a STREAMS-based file descriptor to an object in the
filesystem name space
SYNOPSIS
#include <unistd.h>
int fattach(int fildes, const char *path);
DESCRIPTION
The fattach routine attaches a STREAMS-based file descriptor to an object
in the filesystem name space, effectively associating a name with fildes.
fildes must be a valid open file descriptor representing a STREAMS file.
path is a pathname of an existing object, and the effective user ID of
the calling process must be the owner of the file and have write
permissions, or the calling process must have appropriate privilege
(P_OWNER). All subsequent operations on path will operate on the STREAMS
file until the STREAMS file is detached from the node. fildes can be
attached to more than one path; that is, a stream can have several names
associated with it.
The attributes of the named stream (see stat(2)), are initialized as
follows: the permissions, user ID, group ID, and times are set to those
of path, the number of links is set to 1, and the size and device
identifier are set to those of the streams device associated with fildes.
If any attributes of the named stream are subsequently changed (for
example, chmod(2)), the attributes of the underlying object are not
affected.
RETURN VALUE
If successful, fattach returns 0; otherwise it returns -1 and sets errno
to indicate an error.
ERRORS
Under the following conditions, the function fattach fails and sets errno
to:
EACCES Search permission is denied on a component of the path
prefix.
EACCES The user is the owner of the filenamed by path but does not
have write permissions on path or fildes is locked.
EBADF fildes is not a valid open file descriptor.
ENOENT path does not exist.
ENOTDIR A component of a path prefix is not a directory.
EINVAL fildes does not represent a STREAMS file.
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fattach(3C)fattach(3C)
EPERM The effective user ID of the calling process is not the
owner of the filenamed by path.
EBUSY path is currently a mount point or has a STREAMS file
descriptor attached it.
ENAMETOOLONG The size of path exceeds {PATH_MAX}, or the component of a
pathname is longer than {NAME_MAX} while {_POSIX_NO_TRUNC}
is in effect.
ELOOP Too many symbolic links were encountered in translating
path.
EREMOTE path is a file in a remotely mounted directory.
SEE ALSOfdetach(1M), fdetach(3C), isastream(3C), streamio(7)
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