1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* 26 * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 27 */ 28 29 #ifndef _SYS_KLWP_H 30 #define _SYS_KLWP_H 31 32 #include <sys/types.h> 33 #include <sys/condvar.h> 34 #include <sys/thread.h> 35 #include <sys/signal.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 /* 42 * The light-weight process object and the methods by which it 43 * is accessed. 44 */ 45 46 #define MAXSYSARGS 8 /* Maximum # of arguments passed to a syscall */ 47 48 /* lwp_eosys values */ 49 #define NORMALRETURN 0 /* normal return; adjusts PC, registers */ 50 #define JUSTRETURN 1 /* just return, leave registers alone */ 51 52 typedef struct _klwp *klwp_id_t; 53 54 typedef struct _klwp { 55 /* 56 * linkage 57 */ 58 struct _kthread *lwp_thread; 59 struct proc *lwp_procp; 60 61 } klwp_t; 62 63 /* lwp states */ 64 #define LWP_USER 0x01 /* Running in user mode */ 65 #define LWP_SYS 0x02 /* Running in kernel mode */ 66 67 #if defined(_KERNEL) 68 extern volatile int lwp_default_stksize; 69 extern klwp_t lwp0; 70 71 /* where newly-created lwps normally start */ 72 extern void lwp_rtt(void); 73 74 #endif /* _KERNEL */ 75 76 #ifdef __cplusplus 77 } 78 #endif 79 80 #endif /* _SYS_KLWP_H */ 81