klwp.h revision b819cea2f73f98c5662230cc9affc8cc84f77fcf
/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/
#ifndef _SYS_KLWP_H
#define _SYS_KLWP_H
#include <sys/types.h>
#include <sys/condvar.h>
#include <sys/thread.h>
#include <sys/signal.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The light-weight process object and the methods by which it
* is accessed.
*/
#define MAXSYSARGS 8 /* Maximum # of arguments passed to a syscall */
/* lwp_eosys values */
#define NORMALRETURN 0 /* normal return; adjusts PC, registers */
#define JUSTRETURN 1 /* just return, leave registers alone */
typedef struct _klwp *klwp_id_t;
typedef struct _klwp {
/*
* linkage
*/
struct _kthread *lwp_thread;
struct proc *lwp_procp;
} klwp_t;
/* lwp states */
#define LWP_USER 0x01 /* Running in user mode */
#define LWP_SYS 0x02 /* Running in kernel mode */
#if defined(_KERNEL)
extern volatile int lwp_default_stksize;
extern klwp_t lwp0;
/* where newly-created lwps normally start */
extern void lwp_rtt(void);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_KLWP_H */