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Update field markings that describe which locks protect what.

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This commit is contained in:
ad 2008-02-19 20:27:27 +00:00
parent af1d7cb986
commit bb77b45308
1 changed files with 31 additions and 33 deletions
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64
sys/sys/proc.h
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@ -1,7 +1,7 @@
/* $NetBSD: proc.h,v 1.269 2008/01/04 21:18:17 ad Exp $ */
/* $NetBSD: proc.h,v 1.270 2008/02/19 20:27:27 ad Exp $ */
/*-
* Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
@ -209,7 +209,8 @@ struct emul {
* s: p_smutex
* t: p_stmutex
* p: p_mutex
* (: unlocked, stable
* q: mqlist_mtx
* :: unlocked, stable
*/
struct proc {
LIST_ENTRY(proc) p_list; /* l, m: List of all processes */
@ -224,18 +225,16 @@ struct proc {
/* Substructures: */
struct kauth_cred *p_cred; /* p: Master copy of credentials */
struct filedesc *p_fd; /* Ptr to open files structure */
struct cwdinfo *p_cwdi; /* cdir/rdir/cmask info */
struct pstats *p_stats; /* Accounting/stats (PROC ONLY) */
struct plimit *p_limit; /* Process limits */
struct vmspace *p_vmspace; /* Address space */
struct sigacts *p_sigacts; /* Process sigactions */
struct filedesc *p_fd; /* :: Ptr to open files structure */
struct cwdinfo *p_cwdi; /* :: cdir/rdir/cmask info */
struct pstats *p_stats; /* :: Accounting/stats (PROC ONLY) */
struct plimit *p_limit; /* :: Process limits */
struct vmspace *p_vmspace; /* :: Address space */
struct sigacts *p_sigacts; /* :: Process sigactions */
struct aioproc *p_aio; /* p: Asynchronous I/O data */
u_int p_mqueue_cnt; /* (: Count of open mqueues */
u_int p_mqueue_cnt; /* q: Count of open mqueues */
specificdata_reference
p_specdataref; /* subsystem proc-specific data */
p_specdataref; /* subsystem proc-specific data */
int p_exitsig; /* l: signal to send to parent on exit */
int p_flag; /* p: P_* flags */
@ -244,10 +243,10 @@ struct proc {
int p_lflag; /* l: PL_* flags */
int p_stflag; /* t: PST_* flags */
char p_stat; /* s: S* process status. */
char p_trace_enabled; /* Cached by some syscall_intern() */
char p_pad1[2];
char p_trace_enabled;/* s: cached by syscall_intern() */
char p_pad1[2]; /* unused */
pid_t p_pid; /* (: Process identifier. */
pid_t p_pid; /* :: Process identifier. */
LIST_ENTRY(proc) p_pglist; /* l: List of processes in pgrp. */
struct proc *p_pptr; /* l: Pointer to parent process. */
LIST_ENTRY(proc) p_sibling; /* l: List of sibling processes. */
@ -270,10 +269,10 @@ struct proc {
/* scheduling */
void *p_sched_info; /* s: Scheduler-specific structure */
fixpt_t p_estcpu; /* t: Time averaged value of p_cpticks XXX belongs in p_startcopy section */
fixpt_t p_estcpu_inherited;
fixpt_t p_estcpu; /* s: Time avg. value of p_cpticks */
fixpt_t p_estcpu_inherited; /* s: cpu inherited from children */
unsigned int p_forktime;
fixpt_t p_pctcpu; /* t: %cpu from dead LWPs */
fixpt_t p_pctcpu; /* s: %cpu from dead LWPs */
struct proc *p_opptr; /* l: save parent during ptrace. */
struct ptimers *p_timers; /* Timers: real, virtual, profiling */
@ -284,18 +283,17 @@ struct proc {
int p_traceflag; /* k: Kernel trace points */
void *p_tracep; /* k: Trace private data */
struct vnode *p_textvp; /* (: Vnode of executable */
struct vnode *p_textvp; /* :: Vnode of executable */
void (*p_userret)(void);/* p: return-to-user hook */
const struct emul *p_emul; /* Emulation information */
void *p_emuldata; /* Per-process emulation data, or NULL.
* Malloc type M_EMULDATA */
const struct execsw *p_execsw; /* Exec package information */
struct klist p_klist; /* Knotes attached to this process */
const struct emul *p_emul; /* :: emulation information */
void *p_emuldata; /* :: per-proc emul data, or NULL */
const struct execsw *p_execsw; /* :: exec package information */
struct klist p_klist; /* p: knotes attached to proc */
LIST_HEAD(, lwp) p_sigwaiters; /* s: LWPs waiting for signals */
sigpend_t p_sigpend; /* s: pending signals */
struct lcproc *p_lwpctl; /* s: _lwp_ctl() information */
struct lcproc *p_lwpctl; /* p, a: _lwp_ctl() information */
/*
* End area that is zeroed on creation
@ -314,11 +312,11 @@ struct proc {
/* p: basename of last exec file */
struct pgrp *p_pgrp; /* l: Pointer to process group */
struct ps_strings *p_psstr; /* (: address of process's ps_strings */
size_t p_psargv; /* (: offset of ps_argvstr in above */
size_t p_psnargv; /* (: offset of ps_nargvstr in above */
size_t p_psenv; /* (: offset of ps_envstr in above */
size_t p_psnenv; /* (: offset of ps_nenvstr in above */
struct ps_strings *p_psstr; /* :: address of process's ps_strings */
size_t p_psargv; /* :: offset of ps_argvstr in above */
size_t p_psnargv; /* :: offset of ps_nargvstr in above */
size_t p_psenv; /* :: offset of ps_envstr in above */
size_t p_psnenv; /* :: offset of ps_nenvstr in above */
/*
* End area that is copied on creation
@ -327,8 +325,8 @@ struct proc {
u_short p_xstat; /* s: Exit status for wait; also stop signal */
u_short p_acflag; /* p: Acc. flags; see struct lwp also */
struct mdproc p_md; /* Any machine-dependent fields */
vaddr_t p_stackbase; /* ASLR randomized stack base */
struct mdproc p_md; /* p: Any machine-dependent fields */
vaddr_t p_stackbase; /* :: ASLR randomized stack base */
};
#define p_rlimit p_limit->pl_rlimit