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/*
* 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 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
* Copyright 2018 Joyent, Inc.
*/
#ifndef _SYS_THREAD_H
#define _SYS_THREAD_H
#include <sys/types.h>
#include <sys/t_lock.h>
#include <sys/klwp.h>
#include <sys/signal.h> /* expected by including code */
#ifdef __cplusplus
extern "C" {
#endif
/*
* The thread object, its states, and the methods by which it
* is accessed.
*/
/*
* Values that t_state may assume. Note that t_state cannot have more
* than one of these flags set at a time.
*/
#define TS_FREE 0x00 /* Thread at loose ends */
#define TS_SLEEP 0x01 /* Awaiting an event */
#define TS_RUN 0x02 /* Runnable, but not yet on a processor */
#define TS_ONPROC 0x04 /* Thread is being run on a processor */
#define TS_ZOMB 0x08 /* Thread has died but hasn't been reaped */
#define TS_STOPPED 0x10 /* Stopped, initial state */
#define TS_WAIT 0x20 /* Waiting to become runnable */
/* ctxop_t */
/* afd_t needed by sys/file.h via sys/t_lock.h */
typedef struct _afd_not_used afd_t;
struct turnstile;
struct panic_trap_info;
struct upimutex;
struct kproject;
struct on_trap_data;
struct waitq;
struct _kcpc_ctx;
struct _kcpc_set;
/* Definition for kernel thread identifier type */
typedef uint64_t kt_did_t;
struct _kthread;
typedef struct _kthread *kthread_id_t;
typedef struct _kthread kthread_t;
extern kthread_t *_curthread(void); /* returns thread pointer */
#define curthread (_curthread()) /* current thread pointer */
#define _KTHREAD_INVALID ((void *)(uintptr_t)-1)
#define THREAD_NAME_MAX (32)
struct proc;
extern struct proc *_curproc(void);
#define curproc (_curproc()) /* current proc pointer */
struct zone;
extern struct zone *_curzone(void);
#define curzone (_curzone()) /* current zone pointer */
extern kthread_t *thread_create(
caddr_t stk,
size_t stksize,
void (*proc)(),
void *arg,
size_t len,
struct proc *pp,
int state,
pri_t pri);
extern void thread_exit(void) __NORETURN;
extern void thread_join(kt_did_t);
extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t,
pri_t);
extern void zthread_exit(void) __NORETURN;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_THREAD_H */
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