1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_TASK_H 28*0Sstevel@tonic-gate #define _SYS_TASK_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/param.h> 37*0Sstevel@tonic-gate #include <sys/types.h> 38*0Sstevel@tonic-gate #include <sys/rctl.h> 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #define TASK_NORMAL 0x0 /* task may create tasks via settaskid() */ 41*0Sstevel@tonic-gate #define TASK_FINAL 0x1 /* task finalized, settaskid() will fail */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #ifdef _KERNEL 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #include <sys/id_space.h> 46*0Sstevel@tonic-gate #include <sys/exacct_impl.h> 47*0Sstevel@tonic-gate #include <sys/kmem.h> 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate struct proc; 50*0Sstevel@tonic-gate struct zone; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate typedef struct task { 53*0Sstevel@tonic-gate taskid_t tk_tkid; /* task id */ 54*0Sstevel@tonic-gate uint_t tk_flags; /* task properties */ 55*0Sstevel@tonic-gate struct kproject *tk_proj; /* project membership */ 56*0Sstevel@tonic-gate uint_t tk_hold_count; /* number of members/observers */ 57*0Sstevel@tonic-gate struct proc *tk_memb_list; /* pointer to the first process */ 58*0Sstevel@tonic-gate /* in a doubly linked list of */ 59*0Sstevel@tonic-gate /* task members */ 60*0Sstevel@tonic-gate kmutex_t tk_usage_lock; /* lock to protect tk_*usage */ 61*0Sstevel@tonic-gate task_usage_t *tk_usage; /* total task resource usage */ 62*0Sstevel@tonic-gate task_usage_t *tk_prevusage; /* previous interval usage */ 63*0Sstevel@tonic-gate task_usage_t *tk_zoneusage; /* previous interval usage in zone */ 64*0Sstevel@tonic-gate rctl_set_t *tk_rctls; /* task's resource controls */ 65*0Sstevel@tonic-gate rctl_qty_t tk_nlwps; /* protected by */ 66*0Sstevel@tonic-gate /* tk_zone->zone_nlwps_lock */ 67*0Sstevel@tonic-gate rctl_qty_t tk_nlwps_ctl; /* protected by tk_rctls->rcs_lock */ 68*0Sstevel@tonic-gate rctl_qty_t tk_cpu_time; /* accumulated CPU seconds */ 69*0Sstevel@tonic-gate struct zone *tk_zone; /* zone task belongs to */ 70*0Sstevel@tonic-gate } task_t; 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate extern task_t *task0p; 73*0Sstevel@tonic-gate extern rctl_hndl_t rc_task_lwps; 74*0Sstevel@tonic-gate extern rctl_hndl_t rc_task_cpu_time; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate extern void task_init(void); 77*0Sstevel@tonic-gate extern task_t *task_create(projid_t, struct zone *); 78*0Sstevel@tonic-gate extern void task_begin(task_t *, struct proc *); 79*0Sstevel@tonic-gate extern void task_attach(task_t *, struct proc *); 80*0Sstevel@tonic-gate extern void task_change(task_t *, struct proc *); 81*0Sstevel@tonic-gate extern void task_detach(struct proc *); 82*0Sstevel@tonic-gate extern task_t *task_join(task_t *, uint_t); 83*0Sstevel@tonic-gate extern task_t *task_hold_by_id(taskid_t); 84*0Sstevel@tonic-gate extern task_t *task_hold_by_id_zone(taskid_t, zoneid_t); 85*0Sstevel@tonic-gate extern void task_rele(task_t *); 86*0Sstevel@tonic-gate extern void task_hold(task_t *); 87*0Sstevel@tonic-gate extern void task_end(task_t *); 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate #else /* _KERNEL */ 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate struct task; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate extern taskid_t settaskid(projid_t, uint_t); 94*0Sstevel@tonic-gate extern taskid_t gettaskid(void); 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate #endif /* _KERNEL */ 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate #ifdef __cplusplus 99*0Sstevel@tonic-gate } 100*0Sstevel@tonic-gate #endif 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate #endif /* _SYS_TASK_H */ 103