#ifndef _SYS_PROC_INTERNAL_H_
#define _SYS_PROC_INTERNAL_H_
#include <libkern/OSAtomic.h>
#include <sys/proc.h>
__BEGIN_DECLS
#include <kern/locks.h>
__END_DECLS
#define __PROC_INTERNAL_DEBUG 1
struct label;
struct lctx {
LIST_ENTRY(lctx) lc_list;
LIST_HEAD(, proc) lc_members;
int lc_mc;
pid_t lc_id;
lck_mtx_t lc_mtx;
struct label *lc_label;
};
struct session {
int s_count;
struct proc * s_leader;
struct vnode * s_ttyvp;
int s_ttyvid;
struct tty * s_ttyp;
pid_t s_ttypgrpid;
pid_t s_sid;
char s_login[MAXLOGNAME];
int s_flags;
LIST_ENTRY(session) s_hash;
lck_mtx_t s_mlock;
int s_listflags;
};
#define SESSION_NULL (struct session *)0
#define S_DEFAULT 0x00000000
#define S_NOCTTY 0x00000001
#define S_LIST_TERM 1
#define S_LIST_DEAD 2
struct pgrp {
LIST_ENTRY(pgrp) pg_hash;
LIST_HEAD(, proc) pg_members;
struct session * pg_session;
pid_t pg_id;
int pg_jobc;
int pg_membercnt;
int pg_refcount;
unsigned int pg_listflags;
lck_mtx_t pg_mlock;
};
#define PGRP_FLAG_TERMINATE 1
#define PGRP_FLAG_WAITTERMINATE 2
#define PGRP_FLAG_DEAD 4
#define PGRP_FLAG_ITERABEGIN 8
#define PGRP_FLAG_ITERWAIT 0x10
#define PGRP_NULL (struct pgrp *)0
struct proc;
#define PROC_NULL (struct proc *)0
struct proc {
LIST_ENTRY(proc) p_list;
pid_t p_pid;
void * task;
struct proc * p_pptr;
pid_t p_ppid;
pid_t p_pgrpid;
lck_mtx_t p_mlock;
char p_stat;
char p_shutdownstate;
char p_kdebug;
char p_btrace;
LIST_ENTRY(proc) p_pglist;
LIST_ENTRY(proc) p_sibling;
LIST_HEAD(, proc) p_children;
TAILQ_HEAD( , uthread) p_uthlist;
LIST_ENTRY(proc) p_hash;
TAILQ_HEAD( ,eventqelt) p_evlist;
lck_mtx_t p_fdmlock;
kauth_cred_t p_ucred;
struct filedesc *p_fd;
struct pstats *p_stats;
struct plimit *p_limit;
struct sigacts *p_sigacts;
lck_spin_t p_slock;
#define p_rlimit p_limit->pl_rlimit
struct plimit *p_olimit;
unsigned int p_flag;
unsigned int p_lflag;
unsigned int p_listflag;
unsigned int p_ladvflag;
int p_refcount;
int p_childrencnt;
int p_parentref;
pid_t p_oppid;
u_int p_xstat;
#ifdef _PROC_HAS_SCHEDINFO_
u_int p_estcpu;
fixpt_t p_pctcpu;
u_int p_slptime;
#endif
struct itimerval p_realtimer;
struct timeval p_rtime;
struct itimerval p_vtimer_user;
struct itimerval p_vtimer_prof;
struct timeval p_rlim_cpu;
int p_debugger;
boolean_t sigwait;
void *sigwait_thread;
void *exit_thread;
int p_vforkcnt;
void * p_vforkact;
int p_fpdrainwait;
pid_t p_contproc;
pid_t si_pid;
u_int si_status;
u_int si_code;
uid_t si_uid;
void * vm_shm;
#if CONFIG_DTRACE
user_addr_t p_dtrace_argv;
user_addr_t p_dtrace_envp;
lck_mtx_t p_dtrace_sprlock;
int p_dtrace_probes;
u_int p_dtrace_count;
struct dtrace_ptss_page* p_dtrace_ptss_pages;
struct dtrace_ptss_page_entry* p_dtrace_ptss_free_list;
struct dtrace_helpers* p_dtrace_helpers;
struct dof_ioctl_data* p_dtrace_lazy_dofs;
#endif
#define p_startcopy p_argslen
u_int p_argslen;
int p_argc;
user_addr_t user_stack;
struct vnode *p_textvp;
off_t p_textoff;
sigset_t p_sigmask;
sigset_t p_sigignore;
sigset_t p_sigcatch;
u_char p_priority;
u_char p_resv0;
char p_nice;
u_char p_resv1;
#if CONFIG_MACF
int p_mac_enforce;
#endif
char p_comm[MAXCOMLEN+1];
char p_name[(2*MAXCOMLEN)+1];
struct pgrp *p_pgrp;
int p_iopol_disk;
uint32_t p_csflags;
#define p_endcopy aio_active_count
int aio_active_count;
int aio_done_count;
TAILQ_HEAD( , aio_workq_entry ) aio_activeq;
TAILQ_HEAD( , aio_workq_entry ) aio_doneq;
struct klist p_klist;
struct rusage *p_ru;
thread_t p_signalholder;
thread_t p_transholder;
u_short p_acflag;
struct lctx *p_lctx;
LIST_ENTRY(proc) p_lclist;
user_addr_t p_threadstart;
user_addr_t p_wqthread;
int p_pthsize;
void * p_wqptr;
int p_wqsize;
lck_mtx_t p_wqlock;
struct timeval p_start;
void * p_rcall;
int p_ractive;
#if DIAGNOSTIC
unsigned int p_fdlock_pc[4];
unsigned int p_fdunlock_pc[4];
#if SIGNAL_DEBUG
unsigned int lockpc[8];
unsigned int unlockpc[8];
#endif
#endif
};
#define PGRPID_DEAD 0xdeaddead
#define P_LIST_DRAIN 0x00000001
#define P_LIST_DRAINWAIT 0x00000002
#define P_LIST_DRAINED 0x00000004
#define P_LIST_DEAD 0x00000008
#define P_LIST_WAITING 0x00000010
#define P_LIST_EXITED 0x00000040
#define P_LIST_CHILDDRSTART 0x00000080
#define P_LIST_CHILDDRAINED 0x00000100
#define P_LIST_CHILDDRWAIT 0x00000200
#define P_LIST_CHILDLKWAIT 0x00000400
#define P_LIST_DEADPARENT 0x00000800
#define P_LIST_PARENTREFWAIT 0x00001000
#define P_LIST_INCREATE 0x00002000
#define P_LIST_INHASH 0x00010000
#define P_LIST_INPGRP 0x00020000
#define P_LIST_PGRPTRANS 0x00040000
#define P_LIST_PGRPTRWAIT 0x00080000
#define P_LDELAYTERM 0x00000001
#define P_LNOZOMB 0x00000002
#define P_LTERM 0x00000004
#define P_LEXIT 0x00000008
#define P_LPEXIT 0x00000010
#define P_LTHSIGSTACK 0x00000020
#define P_LINTRANSIT 0x00000040
#define P_LTRANSWAIT 0x00000080
#define P_LVFORK 0x00000100
#define P_LINVFORK 0x00000200
#define P_LTRACED 0x00000400
#define P_LSIGEXC 0x00000800
#define P_LNOATTACH 0x00001000
#define P_LPPWAIT 0x00002000
#define P_LKQWDRAIN 0x00004000
#define P_LKQWDRAINWAIT 0x00008000
#define P_LKQWDEAD 0x00010000
#define P_LLIMCHANGE 0x00020000
#define P_LLIMWAIT 0x00040000
#define P_LWAITED 0x00080000
#define P_LINSIGNAL 0x00100000
#define P_LSIGNALWAIT 0x00200000
#define P_LRAGE_VNODES 0x00400000
#define P_LADVLOCK 0x01
#define PROC_ALLPROCLIST 1
#define PROC_ZOMBPROCLIST 2
#define PROC_NOWAITTRANS 4
#define PGRP_DROPREF 1
#define PGRP_BLOCKITERATE 2
#define PROC_RETURNED 0
#define PROC_RETURNED_DONE 1
#define PROC_CLAIMED 2
#define PROC_CLAIMED_DONE 3
#ifdef KERNEL
#include <sys/time.h>
struct user_extern_proc {
union {
struct {
user_addr_t __p_forw;
user_addr_t __p_back;
} p_st1;
struct user_timeval __p_starttime;
} p_un;
user_addr_t p_vmspace;
user_addr_t p_sigacts;
int p_flag;
char p_stat;
pid_t p_pid;
pid_t p_oppid;
int p_dupfd;
user_addr_t user_stack __attribute((aligned(8)));
user_addr_t exit_thread;
int p_debugger;
boolean_t sigwait;
u_int p_estcpu;
int p_cpticks;
fixpt_t p_pctcpu;
user_addr_t p_wchan __attribute((aligned(8)));
user_addr_t p_wmesg;
u_int p_swtime;
u_int p_slptime;
struct user_itimerval p_realtimer;
struct user_timeval p_rtime;
u_quad_t p_uticks;
u_quad_t p_sticks;
u_quad_t p_iticks;
int p_traceflag;
user_addr_t p_tracep __attribute((aligned(8)));
int p_siglist;
user_addr_t p_textvp __attribute((aligned(8)));
int p_holdcnt;
sigset_t p_sigmask;
sigset_t p_sigignore;
sigset_t p_sigcatch;
u_char p_priority;
u_char p_usrpri;
char p_nice;
char p_comm[MAXCOMLEN+1];
user_addr_t p_pgrp __attribute((aligned(8)));
user_addr_t p_addr;
u_short p_xstat;
u_short p_acflag;
user_addr_t p_ru __attribute((aligned(8)));
};
#endif
extern int nprocs, maxproc;
extern int maxprocperuid;
__private_extern__ int hard_maxproc;
#define PID_MAX 99999
#define NO_PID 100000
extern lck_mtx_t * proc_list_mlock;
extern lck_mtx_t * proc_klist_mlock;
#define SESS_LEADER(p, sessp) ((sessp)->s_leader == (p))
#define LCTX_LOCK(lc) lck_mtx_lock(&(lc)->lc_mtx)
#define LCTX_UNLOCK(lc) lck_mtx_unlock(&(lc)->lc_mtx)
#define LCTX_LOCKED(lc)
#define LCTX_LOCK_ASSERT(lc, type)
#define ALLLCTX_LOCK lck_mtx_lock(&alllctx_lock)
#define ALLLCTX_UNLOCK lck_mtx_unlock(&alllctx_lock)
extern lck_mtx_t alllctx_lock;
extern lck_grp_t * lctx_lck_grp;
extern lck_grp_attr_t * lctx_lck_grp_attr;
extern lck_attr_t * lctx_lck_attr;
#define PIDHASH(pid) (&pidhashtbl[(pid) & pidhash])
extern LIST_HEAD(pidhashhead, proc) *pidhashtbl;
extern u_long pidhash;
#define PGRPHASH(pgid) (&pgrphashtbl[(pgid) & pgrphash])
extern LIST_HEAD(pgrphashhead, pgrp) *pgrphashtbl;
extern u_long pgrphash;
#define SESSHASH(sessid) (&sesshashtbl[(sessid) & sesshash])
extern LIST_HEAD(sesshashhead, session) *sesshashtbl;
extern u_long sesshash;
extern lck_grp_t * proc_lck_grp;
extern lck_grp_attr_t * proc_lck_grp_attr;
extern lck_attr_t * proc_lck_attr;
LIST_HEAD(proclist, proc);
extern struct proclist allproc;
extern struct proclist zombproc;
extern struct proc *initproc;
extern void procinit(void) __attribute__((section("__TEXT, initcode")));
extern void proc_lock(struct proc *);
extern void proc_unlock(struct proc *);
extern void proc_spinlock(struct proc *);
extern void proc_spinunlock(struct proc *);
extern void proc_list_lock(void);
extern void proc_list_unlock(void);
extern void proc_klist_lock(void);
extern void proc_klist_unlock(void);
extern void proc_fdlock(struct proc *);
extern void proc_fdlock_spin(struct proc *);
extern void proc_fdunlock(struct proc *);
extern void proc_fdlock_assert(proc_t p, int assertflags);
__private_extern__ int proc_core_name(const char *name, uid_t uid, pid_t pid,
char *cr_name, size_t cr_name_len);
extern int isinferior(struct proc *, struct proc *);
__private_extern__ struct proc *pzfind(pid_t);
extern struct lctx *lcfind(pid_t);
extern struct lctx *lccreate(void);
extern int chgproccnt(uid_t uid, int diff);
extern void enterlctx(struct proc *p, struct lctx *l, int create);
extern void pinsertchild(struct proc *parent, struct proc *child);
extern int enterpgrp(struct proc *p, pid_t pgid, int mksess);
extern void fixjobc(struct proc *p, struct pgrp *pgrp, int entering);
extern int inferior(struct proc *p);
extern int leavepgrp(struct proc *p);
extern void leavelctx(struct proc *p);
extern void resetpriority(struct proc *);
extern void setrunnable(struct proc *);
extern void setrunqueue(struct proc *);
extern int sleep(void *chan, int pri);
extern int tsleep0(void *chan, int pri, const char *wmesg, int timo, int (*continuation)(int));
extern int tsleep1(void *chan, int pri, const char *wmesg, u_int64_t abstime, int (*continuation)(int));
extern int msleep0(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, int timo, int (*continuation)(int));
extern void vfork_return(struct proc *child, register_t *retval, int rval);
extern int exit1(struct proc *, int, int *);
extern void vfork_exit_internal(struct proc *p, int rv, int forced);
extern void proc_reparentlocked(struct proc *child, struct proc * newparent, int cansignal, int locked);
extern int pgrp_iterate(struct pgrp * pgrp, int flags, int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
extern int proc_iterate(int flags, int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
extern int proc_rebootscan(int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
extern int proc_childrenwalk(proc_t p, int (*callout)(proc_t , void *), void *arg);
extern proc_t proc_findinternal(int pid, int funneled);
extern void proc_refdrain(proc_t);
extern void proc_childdrainlocked(proc_t);
extern void proc_childdrainstart(proc_t);
extern void proc_childdrainend(proc_t);
extern void proc_checkdeadrefs(proc_t);
struct proc *pfind_locked(pid_t);
extern struct pgrp *pgfind(pid_t);
extern void pg_rele(struct pgrp * pgrp);
extern struct session * session_find_internal(pid_t sessid);
extern struct pgrp * proc_pgrp(proc_t);
extern struct pgrp * tty_pgrp(struct tty * tp);
extern struct pgrp * pgfind_internal(pid_t);
extern struct session * proc_session(proc_t);
extern void pgrp_lock(struct pgrp * pgrp);
extern void pgrp_unlock(struct pgrp * pgrp);
extern void session_lock(struct session * sess);
extern void session_unlock(struct session * sess);
extern struct session * pgrp_session(struct pgrp * pgrp);
extern void session_rele(struct session *sess);
extern int isbackground(proc_t p, struct tty *tp);
extern proc_t proc_parent(proc_t);
extern proc_t proc_parentholdref(proc_t);
extern int proc_parentdropref(proc_t, int);
int itimerfix(struct timeval *tv);
int itimerdecr(struct proc * p, struct itimerval *itp, int usec);
void proc_signalstart(struct proc *, int locked);
void proc_signalend(struct proc *, int locked);
void proc_transstart(struct proc *, int locked);
void proc_transend(struct proc *, int locked);
void proc_transwait(struct proc *, int locked);
void proc_rele_locked(struct proc * p);
void proc_knote(struct proc * p, long hint);
void workqueue_init_lock(proc_t p);
void workqueue_destroy_lock(proc_t p);
#endif