proc.h revision 2cb27123907a098a777e39eebc349d73e99a518f
/*
* 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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_PROC_H
#define _SYS_PROC_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/time.h>
#include <sys/thread.h>
#include <sys/cred.h>
#include <sys/user.h>
#include <sys/watchpoint.h>
#include <sys/timer.h>
#if defined(__x86)
#include <sys/tss.h>
#include <sys/segments.h>
#endif
#include <sys/utrap.h>
#include <sys/model.h>
#include <sys/refstr.h>
#include <sys/avl.h>
#include <sys/rctl.h>
#include <sys/list.h>
#include <sys/avl.h>
#include <sys/door_impl.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Profile arguments.
*/
struct prof {
void *pr_base; /* buffer base */
uintptr_t pr_off; /* pc offset */
size_t pr_size; /* buffer size */
uint32_t pr_scale; /* pc scaling */
long pr_samples; /* sample count */
};
/* hash function for the lwpid hash table, p->p_tidhash[] */
#define TIDHASH(p, tid) ((tid) & ((p)->p_tidhash_sz - 1))
/*
* An lwp directory entry.
* If le_thread != NULL, this is an active lwp.
* If le_thread == NULL, this is an unreaped zombie lwp.
*/
typedef struct lwpent {
kthread_t *le_thread; /* the active lwp, NULL if zombie */
id_t le_lwpid; /* its lwpid (t->t_tid) */
uint16_t le_waiters; /* total number of lwp_wait()ers */
uint16_t le_dwaiters; /* number that are daemons */
clock_t le_start; /* start time of this lwp */
struct vnode *le_trace; /* pointer to /proc lwp vnode */
} lwpent_t;
typedef struct pctxop {
void (*save_op)(void *); /* function to invoke to save ctx */
void (*restore_op)(void *); /* function to invoke to restore ctx */
void (*fork_op)(void *, void *); /* invoke to fork context */
void (*exit_op)(void *); /* invoked during process exit */
void (*free_op)(void *, int); /* function which frees the context */
void *arg; /* argument to above functions */
struct pctxop *next; /* next pcontext ops */
} pctxop_t;
/*
* Elements of the lwp directory, p->p_lwpdir[].
*
* We allocate lwp directory entries separately from lwp directory
* elements because the lwp directory must be allocated as an array.
* The number of lwps can grow quite large and we want to keep the
* size of the kmem_alloc()d directory as small as possible.
*
* If ld_entry == NULL, the entry is free and is on the free list,
* p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the
* entry is used and ld_next is the thread-id hash link pointer.
*/
typedef struct lwpdir {
struct lwpdir *ld_next; /* hash chain or free list */
struct lwpent *ld_entry; /* lwp directory entry */
} lwpdir_t;
struct pool;
struct task;
struct zone;
struct brand;
struct corectl_path;
struct corectl_content;
/*
* 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 {
/*
* Fields requiring no explicit locking
*/
struct vnode *p_exec; /* pointer to a.out vnode */
struct as *p_as; /* process address space pointer */
struct plock *p_lockp; /* ptr to proc struct's mutex lock */
kmutex_t p_crlock; /* lock for p_cred */
struct cred *p_cred; /* process credentials */
/*
* Fields protected by pidlock
*/
int p_swapcnt; /* number of swapped out lwps */
char p_stat; /* status of process */
char p_wcode; /* current wait code */
ushort_t p_pidflag; /* flags protected only by pidlock */
int p_wdata; /* current wait return value */
pid_t p_ppid; /* process id of parent */
struct proc *p_link; /* forward link */
struct proc *p_parent; /* ptr to parent process */
struct proc *p_child; /* ptr to first child process */
struct proc *p_sibling; /* ptr to next sibling proc on chain */
struct proc *p_psibling; /* ptr to prev sibling proc on chain */
struct proc *p_sibling_ns; /* prt to siblings with new state */
struct proc *p_child_ns; /* prt to children with new state */
struct proc *p_next; /* active chain link next */
struct proc *p_prev; /* active chain link prev */
struct proc *p_nextofkin; /* gets accounting info at exit */
struct proc *p_orphan;
struct proc *p_nextorph;
struct proc *p_pglink; /* process group hash chain link next */
struct proc *p_ppglink; /* process group hash chain link prev */
struct sess *p_sessp; /* session information */
struct pid *p_pidp; /* process ID info */
struct pid *p_pgidp; /* process group ID info */
/*
* Fields protected by p_lock
*/
kcondvar_t p_cv; /* proc struct's condition variable */
kcondvar_t p_flag_cv;
kcondvar_t p_lwpexit; /* waiting for some lwp to exit */
kcondvar_t p_holdlwps; /* process is waiting for its lwps */
/* to to be held. */
uint_t p_proc_flag; /* /proc-related flags */
uint_t p_flag; /* protected while set. */
/* flags defined below */
clock_t p_utime; /* user time, this process */
clock_t p_stime; /* system time, this process */
clock_t p_cutime; /* sum of children's user time */
clock_t p_cstime; /* sum of children's system time */
avl_tree_t *p_segacct; /* System V shared segment list */
avl_tree_t *p_semacct; /* System V semaphore undo list */
caddr_t p_bssbase; /* base addr of last bss below heap */
caddr_t p_brkbase; /* base addr of heap */
size_t p_brksize; /* heap size in bytes */
uint_t p_brkpageszc; /* preferred heap max page size code */
/*
* Per process signal stuff.
*/
k_sigset_t p_sig; /* signals pending to this process */
k_sigset_t p_extsig; /* signals sent from another contract */
k_sigset_t p_ignore; /* ignore when generated */
k_sigset_t p_siginfo; /* gets signal info with signal */
struct sigqueue *p_sigqueue; /* queued siginfo structures */
struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */
struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */
uchar_t p_stopsig; /* jobcontrol stop signal */
/*
* Special per-process flag when set will fix misaligned memory
* references.
*/
char p_fixalignment;
/*
* Per process lwp and kernel thread stuff
*/
id_t p_lwpid; /* most recently allocated lwpid */
int p_lwpcnt; /* number of lwps in this process */
int p_lwprcnt; /* number of not stopped lwps */
int p_lwpdaemon; /* number of TP_DAEMON lwps */
int p_lwpwait; /* number of lwps in lwp_wait() */
int p_lwpdwait; /* number of daemons in lwp_wait() */
int p_zombcnt; /* number of zombie lwps */
kthread_t *p_tlist; /* circular list of threads */
lwpdir_t *p_lwpdir; /* thread (lwp) directory */
lwpdir_t *p_lwpfree; /* p_lwpdir free list */
lwpdir_t **p_tidhash; /* tid (lwpid) lookup hash table */
uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */
uint_t p_tidhash_sz; /* number of p_tidhash[] entries */
uint64_t p_lgrpset; /* unprotected hint of set of lgrps */
/* on which process has threads */
volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */
volatile lgrp_id_t p_tr_lgrpid; /* text replica's lgroup id */
#if defined(_LP64)
uintptr_t p_lgrpres2; /* reserved for lgrp migration */
#endif
/*
* /proc (process filesystem) debugger interface stuff.
*/
k_sigset_t p_sigmask; /* mask of traced signals (/proc) */
k_fltset_t p_fltmask; /* mask of traced faults (/proc) */
struct vnode *p_trace; /* pointer to primary /proc vnode */
struct vnode *p_plist; /* list of /proc vnodes for process */
kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */
avl_tree_t p_warea; /* list of watched areas */
avl_tree_t p_wpage; /* remembered watched pages (vfork) */
watched_page_t *p_wprot; /* pages that need to have prot set */
int p_mapcnt; /* number of active pr_mappage()s */
kmutex_t p_maplock; /* lock for pr_mappage() */
struct proc *p_rlink; /* linked list for server */
kcondvar_t p_srwchan_cv;
size_t p_stksize; /* process stack size in bytes */
uint_t p_stkpageszc; /* preferred stack max page size code */
/*
* Microstate accounting, resource usage, and real-time profiling
*/
hrtime_t p_mstart; /* hi-res process start time */
hrtime_t p_mterm; /* hi-res process termination time */
hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */
hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */
hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */
struct lrusage p_ru; /* lrusage sum over defunct lwps */
struct lrusage p_cru; /* lrusage sum over child procs */
struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */
uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */
uint_t p_defunct; /* number of defunct lwps */
/*
* profiling. A lock is used in the event of multiple lwp's
* using the same profiling base/size.
*/
kmutex_t p_pflock; /* protects user profile arguments */
struct prof p_prof; /* profile arguments */
/*
* The user structure
*/
struct user p_user; /* (see sys/user.h) */
/*
* Doors.
*/
door_pool_t p_server_threads; /* common thread pool */
struct door_node *p_door_list; /* active doors */
struct door_node *p_unref_list;
kcondvar_t p_unref_cv;
char p_unref_thread; /* unref thread created */
/*
* Kernel probes
*/
uchar_t p_tnf_flags;
/*
* C2 Security (C2_AUDIT)
*/
struct p_audit_data *p_audit_data; /* per process audit structure */
pctxop_t *p_pctx;
#if defined(__x86)
/*
* LDT support.
*/
kmutex_t p_ldtlock; /* protects the following fields */
user_desc_t *p_ldt; /* Pointer to private LDT */
system_desc_t p_ldt_desc; /* segment descriptor for private LDT */
ushort_t p_ldtlimit; /* highest selector used */
#endif
size_t p_swrss; /* resident set size before last swap */
struct aio *p_aio; /* pointer to async I/O struct */
struct itimer **p_itimer; /* interval timers */
timeout_id_t p_alarmid; /* alarm's timeout id */
caddr_t p_usrstack; /* top of the process stack */
uint_t p_stkprot; /* stack memory protection */
uint_t p_datprot; /* data memory protection */
model_t p_model; /* data model determined at exec time */
struct lwpchan_data *p_lcp; /* lwpchan cache */
kmutex_t p_lcp_lock; /* protects assignments to p_lcp */
utrap_handler_t *p_utraps; /* pointer to user trap handlers */
struct corectl_path *p_corefile; /* pattern for core file */
struct task *p_task; /* our containing task */
struct proc *p_taskprev; /* ptr to previous process in task */
struct proc *p_tasknext; /* ptr to next process in task */
kmutex_t p_sc_lock; /* protects p_pagep */
struct sc_page_ctl *p_pagep; /* list of process's shared pages */
struct rctl_set *p_rctls; /* resource controls for this process */
rlim64_t p_stk_ctl; /* currently enforced stack size */
rlim64_t p_fsz_ctl; /* currently enforced file size */
rlim64_t p_vmem_ctl; /* currently enforced addr-space size */
rlim64_t p_fno_ctl; /* currently enforced file-desc limit */
pid_t p_ancpid; /* ancestor pid, used by exacct */
struct itimerval p_realitimer; /* real interval timer */
timeout_id_t p_itimerid; /* real interval timer's timeout id */
struct corectl_content *p_content; /* content of core file */
avl_tree_t p_ct_held; /* held contracts */
struct ct_equeue **p_ct_equeue; /* process-type event queues */
struct cont_process *p_ct_process; /* process contract */
list_node_t p_ct_member; /* process contract membership */
sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */
int p_dtrace_probes; /* are there probes for this proc? */
uint64_t p_dtrace_count; /* number of DTrace tracepoints */
/* (protected by P_PR_LOCK) */
void *p_dtrace_helpers; /* DTrace helpers, if any */
struct pool *p_pool; /* pointer to containing pool */
kcondvar_t p_poolcv; /* synchronization with pools */
uint_t p_poolcnt; /* # threads inside pool barrier */
uint_t p_poolflag; /* pool-related flags (see below) */
uintptr_t p_portcnt; /* event ports counter */
struct zone *p_zone; /* zone in which process lives */
struct vnode *p_execdir; /* directory that p_exec came from */
struct brand *p_brand; /* process's brand */
void *p_brand_data; /* per-process brand state */
/* additional lock to protect p_sessp (but not its contents) */
kmutex_t p_splock;
rctl_qty_t p_locked_mem; /* locked memory charged to proc */
/* protected by p_lock */
rctl_qty_t p_crypto_mem; /* /dev/crypto memory charged to proc */
/* protected by p_lock */
} proc_t;
#define PROC_T /* headers relying on proc_t are OK */
#ifdef _KERNEL
/* active process chain */
extern proc_t *practive;
/* Well known processes */
extern proc_t *proc_sched; /* memory scheduler */
extern proc_t *proc_init; /* init */
extern proc_t *proc_pageout; /* pageout daemon */
extern proc_t *proc_fsflush; /* filesystem sync-er */
#endif /* _KERNEL */
/*
* Stuff to keep track of the number of processes each uid has.
* It is tracked on a per-zone basis; that is, if users in different
* zones have the same uid, they are tracked separately.
*
* A structure is allocated when a new <uid,zoneid> pair shows up
* There is a hash to find each structure.
*/
struct upcount {
struct upcount *up_next;
uid_t up_uid;
zoneid_t up_zoneid;
uint_t up_count;
};
/* 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
#ifdef _KERNEL
extern proc_t p0; /* process 0 */
extern struct plock p0lock; /* p0's plock */
extern struct pid pid0; /* p0's pid */
/* pid_allocate() flags */
#define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */
#endif /* _KERNEL */
/* stat codes */
#define SSLEEP 1 /* awaiting an event */
#define SRUN 2 /* runnable */
#define SZOMB 3 /* process terminated but not waited for */
#define SSTOP 4 /* process stopped by debugger */
#define SIDL 5 /* intermediate state in process creation */
#define SONPROC 6 /* process is being run on a processor */
#define SWAIT 7 /* process is waiting to become runnable */
/* p_pidflag codes */
#define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */
#define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */
#define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */
#define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */
/* p_proc_flag codes -- these flags are mostly private to /proc */
#define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */
#define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */
#define P_PR_FORK 0x0004 /* child inherits tracing flags */
#define P_PR_LOCK 0x0008 /* process locked by /proc */
#define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */
#define P_PR_EXEC 0x0020 /* process is in exec() */
#define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */
#define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */
#define P_PR_KILLCL 0x0100 /* kill process on last /proc close */
/*
* p_flag codes
*
* note that two of these flags, SMSACCT and SSYS, are exported to /proc's
* psinfo_t.p_flag field. Historically, all were, but since they are
* implementation dependant, we only export the ones people have come to
* rely upon. Hence, the bit positions of SSYS and SMSACCT should not be
* altered.
*/
#define SSYS 0x00000001 /* system (resident) process */
#define SEXITING 0x00000002 /* process is exiting */
#define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */
#define SFORKING 0x00000008 /* tells called functions that we're forking */
#define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */
#define SKILLED 0x00000100 /* SIGKILL has been posted to the process */
#define SSCONT 0x00000200 /* SIGCONT has been posted to the process */
#define SZONETOP 0x00000400 /* process has no valid PPID in its zone */
#define SEXTKILLED 0x00000800 /* SKILLED is from another contract */
#define SUGID 0x00002000 /* process was result of set[ug]id exec */
#define SEXECED 0x00004000 /* this process has execed */
#define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */
#define SNOWAIT 0x00020000 /* children never become zombies */
#define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */
#define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */
#define SEXITLWPS 0x00100000 /* have lwps exit within the process */
#define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */
#define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */
#define SCOREDUMP 0x01000000 /* process is dumping core */
#define SMSACCT 0x02000000 /* process is keeping micro-state accounting */
#define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */
#define SAUTOLPG 0x08000000 /* kernel controls page sizes */
#define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */
#define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */
#define SMSFORK 0x40000000 /* child inherits micro-state accounting */
#define SDOCORE 0x80000000 /* process will attempt to dump core */
/*
* p_poolflag codes
*
* These flags are used to synchronize with the pool subsystem to allow
* re-binding of processes to new pools.
*/
#define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */
#define PEXITED 0x0002 /* process exited and about to become zombie */
/* Macro to convert proc pointer to a user block pointer */
#define PTOU(p) (&(p)->p_user)
#define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig))
/* Macro to reduce unnecessary calls to issig() */
#define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why)
/*
* Fast version of ISSIG.
* 1. uses register pointers to lwp and proc instead of reloading them.
* 2. uses bit-wise OR of tests, since the usual case is that none of them
* are true, this saves orcc's and branches.
* 3. load the signal flags instead of using sigisempty() macro which does
* a branch to convert to boolean.
*/
#define ISSIG_FAST(t, lwp, p, why) \
(ISSIG_PENDING(t, lwp, p) && issig(why))
#define ISSIG_PENDING(t, lwp, p) \
((lwp)->lwp_cursig | \
sigcheck((p), (t)) | \
(p)->p_stopsig | \
(t)->t_dtrace_stop | \
(t)->t_dtrace_sig | \
((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \
((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH)))
#define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \
sigismember(&stopdefault, sig))
#define ISHOLD(p) ((p)->p_flag & SHOLDFORK)
#define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale)
/*
* Determine if there are any watchpoints active in the process.
*/
#define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0)
/* Reasons for calling issig() */
#define FORREAL 0 /* Usual side-effects */
#define JUSTLOOKING 1 /* Don't stop the process */
/* 'what' values for stop(PR_SUSPENDED, what) */
#define SUSPEND_NORMAL 0
#define SUSPEND_PAUSE 1
/* pseudo-flag to lwp_create() */
#define NOCLASS (-1)
/* LWP stats updated via lwp_stats_update() */
typedef enum {
LWP_STAT_INBLK,
LWP_STAT_OUBLK,
LWP_STAT_MSGRCV,
LWP_STAT_MSGSND
} lwp_stat_id_t;
#ifdef _KERNEL
/* user profiling functions */
extern void profil_tick(uintptr_t);
/* process management functions */
extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **);
extern void vfwait(pid_t);
extern void proc_detach(proc_t *);
extern void freeproc(proc_t *);
extern void setrun(kthread_t *);
extern void setrun_locked(kthread_t *);
extern void exit(int, int);
extern int proc_exit(int, int);
extern void proc_is_exiting(proc_t *);
extern void relvm(void);
extern void add_ns(proc_t *, proc_t *);
extern void delete_ns(proc_t *, proc_t *);
extern void upcount_inc(uid_t, zoneid_t);
extern void upcount_dec(uid_t, zoneid_t);
extern int upcount_get(uid_t, zoneid_t);
#if defined(__x86)
extern void ldt_dup(proc_t *, proc_t *);
extern selector_t setup_thrptr(proc_t *, uintptr_t);
extern void deferred_singlestep_trap(caddr_t);
#endif
extern void sigcld(proc_t *, sigqueue_t *);
extern void sigcld_delete(k_siginfo_t *);
extern void sigcld_repost(void);
extern int fsig(k_sigset_t *, kthread_t *);
extern void psig(void);
extern void stop(int, int);
extern int stop_on_fault(uint_t, k_siginfo_t *);
extern int issig(int);
extern int jobstopped(proc_t *);
extern void psignal(proc_t *, int);
extern void tsignal(kthread_t *, int);
extern void sigtoproc(proc_t *, kthread_t *, int);
extern void trapsig(k_siginfo_t *, int);
extern int eat_signal(kthread_t *, int);
extern int signal_is_blocked(kthread_t *, int);
extern int sigcheck(proc_t *, kthread_t *);
extern void sigdefault(proc_t *);
extern void pid_setmin(void);
extern pid_t pid_allocate(proc_t *, int);
extern struct pid *pid_find(pid_t);
extern int pid_rele(struct pid *);
extern void pid_exit(proc_t *);
extern void proc_entry_free(struct pid *);
extern proc_t *prfind(pid_t);
extern proc_t *prfind_zone(pid_t, zoneid_t);
extern proc_t *pgfind(pid_t);
extern proc_t *pgfind_zone(pid_t, zoneid_t);
extern proc_t *sprlock(pid_t);
extern proc_t *sprlock_zone(pid_t, zoneid_t);
extern int sprtrylock_proc(proc_t *);
extern void sprwaitlock_proc(proc_t *);
extern void sprlock_proc(proc_t *);
extern void sprunlock(proc_t *);
extern void pid_init(void);
extern proc_t *pid_entry(int);
extern int pid_slot(proc_t *);
extern void signal(pid_t, int);
extern void prsignal(struct pid *, int);
extern int uread(proc_t *, void *, size_t, uintptr_t);
extern int uwrite(proc_t *, void *, size_t, uintptr_t);
extern void pgsignal(struct pid *, int);
extern void pgjoin(proc_t *, struct pid *);
extern void pgcreate(proc_t *);
extern void pgexit(proc_t *);
extern void pgdetach(proc_t *);
extern int pgmembers(pid_t);
extern void init_mstate(kthread_t *, int);
extern int new_mstate(kthread_t *, int);
extern void restore_mstate(kthread_t *);
extern void term_mstate(kthread_t *);
extern void estimate_msacct(kthread_t *, hrtime_t);
extern void disable_msacct(proc_t *);
extern hrtime_t mstate_aggr_state(proc_t *, int);
extern hrtime_t mstate_thread_onproc_time(kthread_t *);
extern void syscall_mstate(int, int);
extern uint_t cpu_update_pct(kthread_t *, hrtime_t);
extern void set_proc_pre_sys(proc_t *p);
extern void set_proc_post_sys(proc_t *p);
extern void set_proc_sys(proc_t *p);
extern void set_proc_ast(proc_t *p);
extern void set_all_proc_sys(void);
/* thread function prototypes */
extern kthread_t *thread_create(
caddr_t stk,
size_t stksize,
void (*proc)(),
void *arg,
size_t len,
proc_t *pp,
int state,
pri_t pri);
extern void thread_exit(void) __NORETURN;
extern void thread_free(kthread_t *);
extern void thread_rele(kthread_t *);
extern void thread_join(kt_did_t);
extern int reaper(void);
extern void installctx(kthread_t *, void *, void (*)(), void (*)(),
void (*)(), void (*)(), void (*)(), void (*)());
extern int removectx(kthread_t *, void *, void (*)(), void (*)(),
void (*)(), void (*)(), void (*)(), void (*)());
extern void savectx(kthread_t *);
extern void restorectx(kthread_t *);
extern void forkctx(kthread_t *, kthread_t *);
extern void lwp_createctx(kthread_t *, kthread_t *);
extern void exitctx(kthread_t *);
extern void freectx(kthread_t *, int);
extern void installpctx(proc_t *, void *, void (*)(), void (*)(),
void (*)(), void (*)(), void (*)());
extern int removepctx(proc_t *, void *, void (*)(), void (*)(),
void (*)(), void (*)(), void (*)());
extern void savepctx(proc_t *);
extern void restorepctx(proc_t *);
extern void forkpctx(proc_t *, proc_t *);
extern void exitpctx(proc_t *);
extern void freepctx(proc_t *, int);
extern kthread_t *thread_unpin(void);
extern void thread_init(void);
extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t);
extern void tsd_create(uint_t *, void (*)(void *));
extern void tsd_destroy(uint_t *);
extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void));
extern void *tsd_get(uint_t);
extern int tsd_set(uint_t, void *);
extern void tsd_exit(void);
extern void *tsd_agent_get(kthread_t *, uint_t);
extern int tsd_agent_set(kthread_t *, uint_t, void *);
/* lwp function prototypes */
extern klwp_t *lwp_create(
void (*proc)(),
caddr_t arg,
size_t len,
proc_t *p,
int state,
int pri,
const k_sigset_t *smask,
int cid,
id_t lwpid);
extern kthread_t *idtot(proc_t *, id_t);
extern void lwp_hash_in(proc_t *, lwpent_t *);
extern void lwp_hash_out(proc_t *, id_t);
extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t);
extern void lwp_create_done(kthread_t *);
extern void lwp_exit(void);
extern void lwp_pcb_exit(void);
extern void lwp_cleanup(void);
extern int lwp_suspend(kthread_t *);
extern void lwp_continue(kthread_t *);
extern void holdlwp(void);
extern void stoplwp(void);
extern int holdlwps(int);
extern int holdwatch(void);
extern void pokelwps(proc_t *);
extern void continuelwps(proc_t *);
extern int exitlwps(int);
extern void lwp_ctmpl_copy(klwp_t *, klwp_t *);
extern void lwp_ctmpl_clear(klwp_t *);
extern klwp_t *forklwp(klwp_t *, proc_t *, id_t);
extern void lwp_load(klwp_t *, gregset_t, uintptr_t);
extern void lwp_setrval(klwp_t *, int, int);
extern void lwp_forkregs(klwp_t *, klwp_t *);
extern void lwp_freeregs(klwp_t *, int);
extern caddr_t lwp_stk_init(klwp_t *, caddr_t);
extern void lwp_stk_cache_init(void);
extern void lwp_stk_fini(klwp_t *);
extern void lwp_installctx(klwp_t *);
extern void lwp_rtt(void);
extern void lwp_rtt_initial(void);
extern int lwp_setprivate(klwp_t *, int, uintptr_t);
extern void lwp_stat_update(lwp_stat_id_t, long);
extern void lwp_attach_brand_hdlrs(klwp_t *);
/*
* Signal queue function prototypes. Must be here due to header ordering
* dependencies.
*/
extern void sigqfree(proc_t *);
extern void siginfofree(sigqueue_t *);
extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **);
extern void sigdelq(proc_t *, kthread_t *, int);
extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int);
extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *);
extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *);
extern void sigdupq(proc_t *, proc_t *);
extern int sigwillqueue(int, int);
extern sigqhdr_t *sigqhdralloc(size_t, uint_t);
extern sigqueue_t *sigqalloc(sigqhdr_t *);
extern void sigqhdrfree(sigqhdr_t *);
extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *,
k_sigset_t *, sigqueue_t *);
extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *,
k_sigset_t *, sigqueue_t *);
extern void winfo(proc_t *, k_siginfo_t *, int);
extern int wstat(int, int);
extern int sendsig(int, k_siginfo_t *, void (*)());
#if defined(_SYSCALL32_IMPL)
extern int sendsig32(int, k_siginfo_t *, void (*)());
#endif
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PROC_H */