dlpi_fd(3DLPI) Data Link Provider Interface Library Functions dlpi_fd(3DLPI)NAME
dlpi_fd - get DLPI file descriptor
SYNOPSIS
cc [ flag ... ] file ... -ldlpi [ library ... ]
#include <libdlpi.h>
int dlpi_fd(dlpi_handle_t dh);
DESCRIPTION
The dlpi_fd() function returns the integer file descriptor that can be used to directly operate on the open DLPI stream associated with the
DLPI handle dh. This file descriptor can be used to perform non-DLPI operations that do not alter the state of the DLPI stream, such as
waiting for an event using poll(2), or pushing and configuring additional STREAMS modules, such as pfmod(7M). If DLPI operations are
directly performed on the file descriptor, or a STREAMS module is pushed that alters the message-passing interface such that DLPI opera-
tions can no longer be issued, future operations on dh might not behave as documented.
The returned file descriptor is managed by libdlpi(3LIB) and the descriptor must not be closed.
RETURN VALUES
The function returns the integer file descriptor associated with the DLPI handle dh. If dh is invalid, -1 is returned.
ATTRIBUTES
See attributes(5) for description of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO poll(2), libdlpi(3LIB), attributes(5), dlpi(7P), pfmod(7M)SunOS 5.11 15 Jun 2007 dlpi_fd(3DLPI)
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dlpi_enabmulti(3DLPI) Data Link Provider Interface Library Functions dlpi_enabmulti(3DLPI)NAME
dlpi_enabmulti, dlpi_disabmulti - enable or disable DLPI multicast messages for an address
SYNOPSIS
cc [ flag... ] file... -ldlpi [ library... ]
#include <libdlpi.h>
int dlpi_enabmulti(dlpi_handle_t dh, const void *addrp,
size_t addrlen);
int dlpi_disabmulti(dlpi_handle_t dh, const void *addrp,
size_t addrlen);
DESCRIPTION
The dlpi_enabmulti() function enables reception of messages destined to the multicast address pointed to by addrp on the DLPI link instance
associated with DLPI handle dh. The DLPI link instance will pass up only those messages destined for enabled multicast addresses. This
operation can be performed in any DLPI state of a handle.
The dlpi_disabmulti() function disables a specified multicast address pointed to by addrp on the DLPI link instance associated with DLPI
handle dh. This operation can be performed in any DLPI state of a handle.
RETURN VALUES
Upon success, DLPI_SUCCESS is returned. If DL_SYSERR is returned, errno contains the specific UNIX system error value. Otherwise, a DLPI
error value defined in <sys/dlpi.h> or DLPI_EINHANDLE is returned.
ERRORS
DLPI_EBADMSG Bad DLPI message
DLPI_EINHANDLE Invalid DLPI handle
DLPI_EINVAL Invalid argument
DLPI_ETIMEDOUT DLPI operation timed out
ATTRIBUTES
See attributes(5) for description of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO libdlpi(3LIB), attributes(5)SunOS 5.11 22 Aug 2007 dlpi_enabmulti(3DLPI)
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