sodirect.h revision 0f1702c5201310f0529cd5abb77652e5e9b241b6
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#ifndef _SYS_SODIRECT_H
#define _SYS_SODIRECT_H
/*
* Sodirect ...
*
* Currently the sodirect_t uses the sockfs streamhead STREAMS Q directly,
* in the future when we have STREAMless sockets a sonode Q will have to
* be implemented however the sodirect KPI shouldn't need to change.
*/
#ifdef __cplusplus
extern "C" {
#endif
typedef int (*sod_enq_func)();
typedef void (*sod_wakeup_func)();
typedef struct sodirect_s {
/* to protect all members */
} sodirect_t;
/*
* sod_state bits:
*/
#define SOD_DISABLED 0 /* No more sodirect */
/*
* Usefull macros:
*/
#define SOD_QSETBE(p) { \
\
\
mutex_enter(QLOCK(q)); \
mutex_exit(QLOCK(q)); \
}
#define SOD_QCLRBE(p) { \
\
\
mutex_enter(QLOCK(q)); \
mutex_exit(QLOCK(q)); \
}
#define SOD_DISABLE(p) { \
if ((p) != NULL) \
(p)->sod_state &= ~SOD_ENABLED; \
}
#define SOD_UIOAFINI(sodp) { \
} \
}
struct sonode;
struct sodirect_s;
struct uio *);
extern void sod_init();
sod_wakeup_func, kmutex_t *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SODIRECT_H */