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Diffstat (limited to 'usr/src/lib/libfakekernel/common/sys/proc.h')
| -rw-r--r-- | usr/src/lib/libfakekernel/common/sys/proc.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/usr/src/lib/libfakekernel/common/sys/proc.h b/usr/src/lib/libfakekernel/common/sys/proc.h new file mode 100644 index 0000000000..1ded4eb5a7 --- /dev/null +++ b/usr/src/lib/libfakekernel/common/sys/proc.h @@ -0,0 +1,125 @@ +/* + * 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 (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2013 Nexenta Systems, Inc. All rights reserved. + */ + +/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +#ifndef _SYS_PROC_H +#define _SYS_PROC_H + +#include <sys/time.h> +#include <sys/thread.h> +#include <sys/cred.h> +#include <sys/debug.h> +#include <sys/signal.h> +#include <sys/list.h> +#include <sys/avl.h> +#include <sys/refstr.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct pool; +struct task; +struct zone; + +/* + * One structure allocated per active process. It contains all + * data needed about the process while the process may be swapped + * out. Other per-process data (user.h) is also inside the proc structure. + * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. + */ +typedef struct proc { + + struct cred *p_cred; /* process credentials */ + + struct pid *p_pidp; /* process ID info */ + struct pid *p_pgidp; /* process group ID info */ + + /* + * Per process lwp and kernel thread stuff + */ + + struct zone *p_zone; /* zone in which process lives */ + + int do_not_use[10]; + int p_user[10]; /* (see sys/user.h) */ +} proc_t; + +#define PROC_T /* headers relying on proc_t are OK */ + +/* process ID info */ + +struct pid { + unsigned int pid_prinactive :1; + unsigned int pid_pgorphaned :1; + unsigned int pid_padding :6; /* used to be pid_ref, now an int */ + unsigned int pid_prslot :24; + pid_t pid_id; + struct proc *pid_pglink; + struct proc *pid_pgtail; + struct pid *pid_link; + uint_t pid_ref; +}; + +#define p_pgrp p_pgidp->pid_id +#define p_pid p_pidp->pid_id +#define p_slot p_pidp->pid_prslot +#define p_detached p_pgidp->pid_pgorphaned + +#define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ + ++(pidp)->pid_ref; +#define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ + (pidp)->pid_ref > 1 ? \ + --(pidp)->pid_ref : pid_rele(pidp); + +/* + * Structure containing persistent process lock. The structure and + * macro allow "mutex_enter(&p->p_lock)" to continue working. + */ +struct plock { + kmutex_t pl_lock; +}; +#define p_lock p_lockp->pl_lock + +extern proc_t p0; /* process 0 */ +extern struct plock p0lock; /* p0's plock */ +extern struct pid pid0; /* p0's pid */ + + +/* + * This is normally in sunddi.h but + * I didn't want to drag that in here. + */ +pid_t +ddi_get_pid(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_PROC_H */ |