10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 53684Srd117015 * Common Development and Distribution License (the "License"). 63684Srd117015 * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 223684Srd117015 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate #ifndef _SYS_TASK_H 270Sstevel@tonic-gate #define _SYS_TASK_H 280Sstevel@tonic-gate 290Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 300Sstevel@tonic-gate 310Sstevel@tonic-gate #ifdef __cplusplus 320Sstevel@tonic-gate extern "C" { 330Sstevel@tonic-gate #endif 340Sstevel@tonic-gate 350Sstevel@tonic-gate #include <sys/param.h> 360Sstevel@tonic-gate #include <sys/types.h> 370Sstevel@tonic-gate #include <sys/rctl.h> 380Sstevel@tonic-gate 390Sstevel@tonic-gate #define TASK_NORMAL 0x0 /* task may create tasks via settaskid() */ 400Sstevel@tonic-gate #define TASK_FINAL 0x1 /* task finalized, settaskid() will fail */ 413684Srd117015 #define TASK_MASK 0x1 /* task flags mask */ 423684Srd117015 433684Srd117015 #define TASK_PROJ_PURGE 0x100000 /* purge project.* rctl entities */ 443684Srd117015 #define TASK_PROJ_MASK 0x100000 450Sstevel@tonic-gate 460Sstevel@tonic-gate #ifdef _KERNEL 470Sstevel@tonic-gate 480Sstevel@tonic-gate #include <sys/id_space.h> 490Sstevel@tonic-gate #include <sys/exacct_impl.h> 500Sstevel@tonic-gate #include <sys/kmem.h> 510Sstevel@tonic-gate 520Sstevel@tonic-gate struct proc; 530Sstevel@tonic-gate struct zone; 540Sstevel@tonic-gate 550Sstevel@tonic-gate typedef struct task { 560Sstevel@tonic-gate taskid_t tk_tkid; /* task id */ 570Sstevel@tonic-gate uint_t tk_flags; /* task properties */ 580Sstevel@tonic-gate struct kproject *tk_proj; /* project membership */ 590Sstevel@tonic-gate uint_t tk_hold_count; /* number of members/observers */ 600Sstevel@tonic-gate struct proc *tk_memb_list; /* pointer to the first process */ 610Sstevel@tonic-gate /* in a doubly linked list of */ 620Sstevel@tonic-gate /* task members */ 630Sstevel@tonic-gate kmutex_t tk_usage_lock; /* lock to protect tk_*usage */ 640Sstevel@tonic-gate task_usage_t *tk_usage; /* total task resource usage */ 650Sstevel@tonic-gate task_usage_t *tk_prevusage; /* previous interval usage */ 660Sstevel@tonic-gate task_usage_t *tk_zoneusage; /* previous interval usage in zone */ 670Sstevel@tonic-gate rctl_set_t *tk_rctls; /* task's resource controls */ 680Sstevel@tonic-gate rctl_qty_t tk_nlwps; /* protected by */ 690Sstevel@tonic-gate /* tk_zone->zone_nlwps_lock */ 700Sstevel@tonic-gate rctl_qty_t tk_nlwps_ctl; /* protected by tk_rctls->rcs_lock */ 710Sstevel@tonic-gate rctl_qty_t tk_cpu_time; /* accumulated CPU seconds */ 720Sstevel@tonic-gate struct zone *tk_zone; /* zone task belongs to */ 73*4584Srh87107 task_usage_t *tk_inherited; /* task resource usage */ 74*4584Srh87107 /* inherited with the first */ 75*4584Srh87107 /* member process */ 760Sstevel@tonic-gate } task_t; 770Sstevel@tonic-gate 780Sstevel@tonic-gate extern task_t *task0p; 790Sstevel@tonic-gate extern rctl_hndl_t rc_task_lwps; 800Sstevel@tonic-gate extern rctl_hndl_t rc_task_cpu_time; 810Sstevel@tonic-gate 820Sstevel@tonic-gate extern void task_init(void); 830Sstevel@tonic-gate extern task_t *task_create(projid_t, struct zone *); 840Sstevel@tonic-gate extern void task_begin(task_t *, struct proc *); 850Sstevel@tonic-gate extern void task_attach(task_t *, struct proc *); 860Sstevel@tonic-gate extern void task_change(task_t *, struct proc *); 870Sstevel@tonic-gate extern void task_detach(struct proc *); 880Sstevel@tonic-gate extern task_t *task_join(task_t *, uint_t); 890Sstevel@tonic-gate extern task_t *task_hold_by_id(taskid_t); 900Sstevel@tonic-gate extern task_t *task_hold_by_id_zone(taskid_t, zoneid_t); 910Sstevel@tonic-gate extern void task_rele(task_t *); 920Sstevel@tonic-gate extern void task_hold(task_t *); 930Sstevel@tonic-gate extern void task_end(task_t *); 940Sstevel@tonic-gate 950Sstevel@tonic-gate #else /* _KERNEL */ 960Sstevel@tonic-gate 970Sstevel@tonic-gate struct task; 980Sstevel@tonic-gate 990Sstevel@tonic-gate extern taskid_t settaskid(projid_t, uint_t); 1000Sstevel@tonic-gate extern taskid_t gettaskid(void); 1010Sstevel@tonic-gate 1020Sstevel@tonic-gate #endif /* _KERNEL */ 1030Sstevel@tonic-gate 1040Sstevel@tonic-gate #ifdef __cplusplus 1050Sstevel@tonic-gate } 1060Sstevel@tonic-gate #endif 1070Sstevel@tonic-gate 1080Sstevel@tonic-gate #endif /* _SYS_TASK_H */ 109