1b819cea2SGordon Ross /* 2b819cea2SGordon Ross * CDDL HEADER START 3b819cea2SGordon Ross * 4b819cea2SGordon Ross * The contents of this file are subject to the terms of the 5b819cea2SGordon Ross * Common Development and Distribution License (the "License"). 6b819cea2SGordon Ross * You may not use this file except in compliance with the License. 7b819cea2SGordon Ross * 8b819cea2SGordon Ross * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9b819cea2SGordon Ross * or http://www.opensolaris.org/os/licensing. 10b819cea2SGordon Ross * See the License for the specific language governing permissions 11b819cea2SGordon Ross * and limitations under the License. 12b819cea2SGordon Ross * 13b819cea2SGordon Ross * When distributing Covered Code, include this CDDL HEADER in each 14b819cea2SGordon Ross * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15b819cea2SGordon Ross * If applicable, add the following below this CDDL HEADER, with the 16b819cea2SGordon Ross * fields enclosed by brackets "[]" replaced with your own identifying 17b819cea2SGordon Ross * information: Portions Copyright [yyyy] [name of copyright owner] 18b819cea2SGordon Ross * 19b819cea2SGordon Ross * CDDL HEADER END 20b819cea2SGordon Ross */ 21b819cea2SGordon Ross 22b819cea2SGordon Ross /* 23b819cea2SGordon Ross * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24b819cea2SGordon Ross * Use is subject to license terms. 25b819cea2SGordon Ross * 26b819cea2SGordon Ross * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 27*ab618543SJohn Levon * Copyright 2018 Joyent, Inc. 28b819cea2SGordon Ross */ 29b819cea2SGordon Ross 30b819cea2SGordon Ross #ifndef _SYS_THREAD_H 31b819cea2SGordon Ross #define _SYS_THREAD_H 32b819cea2SGordon Ross 33b819cea2SGordon Ross #include <sys/types.h> 34b819cea2SGordon Ross #include <sys/t_lock.h> 35b819cea2SGordon Ross #include <sys/klwp.h> 36b819cea2SGordon Ross #include <sys/signal.h> /* expected by including code */ 37b819cea2SGordon Ross 38b819cea2SGordon Ross #ifdef __cplusplus 39b819cea2SGordon Ross extern "C" { 40b819cea2SGordon Ross #endif 41b819cea2SGordon Ross 42b819cea2SGordon Ross /* 43b819cea2SGordon Ross * The thread object, its states, and the methods by which it 44b819cea2SGordon Ross * is accessed. 45b819cea2SGordon Ross */ 46b819cea2SGordon Ross 47b819cea2SGordon Ross /* 48b819cea2SGordon Ross * Values that t_state may assume. Note that t_state cannot have more 49b819cea2SGordon Ross * than one of these flags set at a time. 50b819cea2SGordon Ross */ 51b819cea2SGordon Ross #define TS_FREE 0x00 /* Thread at loose ends */ 52b819cea2SGordon Ross #define TS_SLEEP 0x01 /* Awaiting an event */ 53b819cea2SGordon Ross #define TS_RUN 0x02 /* Runnable, but not yet on a processor */ 54b819cea2SGordon Ross #define TS_ONPROC 0x04 /* Thread is being run on a processor */ 55b819cea2SGordon Ross #define TS_ZOMB 0x08 /* Thread has died but hasn't been reaped */ 56b819cea2SGordon Ross #define TS_STOPPED 0x10 /* Stopped, initial state */ 57b819cea2SGordon Ross #define TS_WAIT 0x20 /* Waiting to become runnable */ 58b819cea2SGordon Ross 59b819cea2SGordon Ross /* ctxop_t */ 60b819cea2SGordon Ross 61b819cea2SGordon Ross /* afd_t needed by sys/file.h via sys/t_lock.h */ 62b819cea2SGordon Ross typedef struct _afd_not_used afd_t; 63b819cea2SGordon Ross 64b819cea2SGordon Ross struct turnstile; 65b819cea2SGordon Ross struct panic_trap_info; 66b819cea2SGordon Ross struct upimutex; 67b819cea2SGordon Ross struct kproject; 68b819cea2SGordon Ross struct on_trap_data; 69b819cea2SGordon Ross struct waitq; 70b819cea2SGordon Ross struct _kcpc_ctx; 71b819cea2SGordon Ross struct _kcpc_set; 72b819cea2SGordon Ross 73b819cea2SGordon Ross /* Definition for kernel thread identifier type */ 74b819cea2SGordon Ross typedef uint64_t kt_did_t; 75b819cea2SGordon Ross 76b819cea2SGordon Ross struct _kthread; 77b819cea2SGordon Ross typedef struct _kthread *kthread_id_t; 78b819cea2SGordon Ross 79b819cea2SGordon Ross typedef struct _kthread kthread_t; 80b819cea2SGordon Ross 81b819cea2SGordon Ross extern kthread_t *_curthread(void); /* returns thread pointer */ 82b819cea2SGordon Ross #define curthread (_curthread()) /* current thread pointer */ 83b819cea2SGordon Ross 84b819cea2SGordon Ross #define _KTHREAD_INVALID ((void *)(uintptr_t)-1) 85b819cea2SGordon Ross 86*ab618543SJohn Levon #define THREAD_NAME_MAX (32) 87b819cea2SGordon Ross 88b819cea2SGordon Ross struct proc; 89b819cea2SGordon Ross extern struct proc *_curproc(void); 90b819cea2SGordon Ross #define curproc (_curproc()) /* current proc pointer */ 91b819cea2SGordon Ross 92b819cea2SGordon Ross struct zone; 93b819cea2SGordon Ross extern struct zone *_curzone(void); 94b819cea2SGordon Ross #define curzone (_curzone()) /* current zone pointer */ 95b819cea2SGordon Ross 96b819cea2SGordon Ross extern kthread_t *thread_create( 97b819cea2SGordon Ross caddr_t stk, 98b819cea2SGordon Ross size_t stksize, 99b819cea2SGordon Ross void (*proc)(), 100b819cea2SGordon Ross void *arg, 101b819cea2SGordon Ross size_t len, 102b819cea2SGordon Ross struct proc *pp, 103b819cea2SGordon Ross int state, 104b819cea2SGordon Ross pri_t pri); 105b819cea2SGordon Ross extern void thread_exit(void) __NORETURN; 106b819cea2SGordon Ross extern void thread_join(kt_did_t); 107b819cea2SGordon Ross 108b819cea2SGordon Ross extern kthread_t *zthread_create(caddr_t, size_t, void (*)(), void *, size_t, 109b819cea2SGordon Ross pri_t); 110b819cea2SGordon Ross extern void zthread_exit(void) __NORETURN; 111b819cea2SGordon Ross 112b819cea2SGordon Ross #ifdef __cplusplus 113b819cea2SGordon Ross } 114b819cea2SGordon Ross #endif 115b819cea2SGordon Ross 116b819cea2SGordon Ross #endif /* _SYS_THREAD_H */ 117