/* $NetBSD: rf_threadstuff.h,v 1.34 2014/02/28 10:16:51 skrll Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland, Daniel Stodolsky, Jim Zelenka
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or
[email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* threadstuff.h -- definitions for threads, locks, and synchronization
*
* The purpose of this file is provide some illusion of portability.
* If the functions below can be implemented with the same semantics on
* some new system, then at least the synchronization and thread control
* part of the code should not require modification to port to a new machine.
* the only other place where the pthread package is explicitly used is
* threadid.h
*
* this file should be included above stdio.h to get some necessary defines.
*
*/
#ifndef _RF__RF_THREADSTUFF_H_
#define _RF__RF_THREADSTUFF_H_
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/kthread.h>
#include <sys/mutex.h>
#include <dev/raidframe/raidframevar.h>
typedef struct lwp *RF_Thread_t;
typedef void *RF_ThreadArg_t;
#define rf_declare_mutex2(_m_) kmutex_t _m_
#define rf_declare_cond2(_c_) kcondvar_t _c_
#define rf_lock_mutex2(_m_) mutex_enter(&(_m_))
#define rf_unlock_mutex2(_m_) mutex_exit(&(_m_))
#define rf_init_mutex2(_m_, _p_) mutex_init(&(_m_), MUTEX_DEFAULT, (_p_))
#define rf_destroy_mutex2(_m_) mutex_destroy(&(_m_))
#define rf_owned_mutex2(_m_) mutex_owned(&(_m_))
#define rf_init_cond2(_c_, _w_) cv_init(&(_c_), (_w_))
#define rf_destroy_cond2(_c_) cv_destroy(&(_c_))
#define rf_wait_cond2(_c_,_m_) cv_wait(&(_c_), &(_m_))
#define rf_timedwait_cond2(_c_,_m_,_t_) cv_timedwait(&(_c_), &(_m_), (_t_))
#define rf_signal_cond2(_c_) cv_signal(&(_c_))
#define rf_broadcast_cond2(_c_) cv_broadcast(&(_c_))
#define rf_sleep(_w_,_t_,_m_) kpause((_w_), false, (_t_), &(_m_))
/*
* In NetBSD, kernel threads are simply processes which share several
* substructures and never run in userspace.
*/
#define RF_CREATE_THREAD(_handle_, _func_, _arg_, _name_) \
kthread_create(PRI_SOFTBIO, 0, NULL, (void (*)(void *))(_func_), \
(void *)(_arg_), &(_handle_), _name_)
#define RF_CREATE_ENGINE_THREAD(_handle_, _func_, _arg_, _fmt_, _fmt_arg_) \
kthread_create(PRI_SOFTBIO, 0, NULL, (void (*)(void *))(_func_), \
(void *)(_arg_), &(_handle_), _fmt_, _fmt_arg_)
#endif /* !_RF__RF_THREADSTUFF_H_ */
