/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (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 2006 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 #include #include #include #include #include #if defined(__x86) #include #include #endif #include #include #include #include #include #include #include #include #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 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 */ uintptr_t p_lgrpres1; /* reserved for lgrp migration */ uintptr_t p_lgrpres2; /* reserved for lgrp migration */ /* * /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 */ } 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 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 */ #endif /* _KERNEL */ /* stat codes */ #define SSLEEP 1 /* awaiting an event */ #define SRUN 2 /* running */ #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 */ /* p_pidflag codes */ #define CLDPEND 0x0001 /* have yet to post a SIGCLD to the parent */ #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ /* 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 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 /* SIGCLD 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); #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_assign(proc_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 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 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_create_intr(struct cpu *); 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_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); /* * 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 */