/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
/*-
*
* @(#)proc_internal.h 8.15 (Berkeley) 5/19/95
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
#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
+#if DEBUG
+#define __PROC_INTERNAL_DEBUG 1
+#endif
+
+/*
+ * The short form for various locks that protect fields in the data structures.
+ * PL = Process Lock
+ * PGL = Process Group Lock
+ * PFDL = Process File Desc Lock
+ * PSL = Process Spin Lock
+ * PPL = Parent Process Lock (planed for later usage)
+ * LL = List Lock
+ * SL = Session Lock
+*/
+struct label;
+
+/*
+ * Added by SPARTA, Inc.
+ */
+/*
+ * Login context.
+ */
+struct lctx {
+ LIST_ENTRY(lctx) lc_list; /* List of all login contexts. */
+ LIST_HEAD(, proc) lc_members; /* Pointer to lc members. */
+ int lc_mc; /* Member Count. */
+ pid_t lc_id; /* Login context ID. */
+ lck_mtx_t lc_mtx; /* Mutex to protect members */
+
+ struct label *lc_label; /* Login context MAC label. */
+};
+
/*
* One structure allocated per session.
*/
struct session {
- int s_count; /* Ref cnt; pgrps in session. */
- struct proc *s_leader; /* Session leader. */
- struct vnode *s_ttyvp; /* Vnode of controlling terminal. */
- struct tty *s_ttyp; /* Controlling terminal. */
- pid_t s_sid; /* Session ID */
- char s_login[MAXLOGNAME]; /* Setlogin() name. */
+ int s_count; /* Ref cnt; pgrps in session. (LL) */
+ struct proc * s_leader; /* Session leader.(static) */
+ struct vnode * s_ttyvp; /* Vnode of controlling terminal.(SL) */
+ int s_ttyvid; /* Vnode id of the controlling terminal (SL) */
+ struct tty * s_ttyp; /* Controlling terminal. (SL) */
+ pid_t s_ttypgrpid; /* tty's pgrp id */
+ pid_t s_sid; /* Session ID (static) */
+ char s_login[MAXLOGNAME]; /* Setlogin() name.(SL) */
+ int s_flags; /* Session flags (s_mlock) */
+ LIST_ENTRY(session) s_hash; /* Hash chain.(LL) */
+ lck_mtx_t s_mlock; /* mutex lock to protect session */
+ int s_listflags;
};
+#define SESSION_NULL (struct session *)0
+
+/*
+ * Session flags; used to tunnel information to lower layers and line
+ * disciplines, etc.
+ */
+#define S_DEFAULT 0x00000000 /* No flags set */
+#define S_NOCTTY 0x00000001 /* Do not associate controlling tty */
+
+
+#define S_LIST_TERM 1 /* marked for termination */
+#define S_LIST_DEAD 2 /* already dead */
/*
* One structure allocated per process group.
*/
struct pgrp {
- LIST_ENTRY(pgrp) pg_hash; /* Hash chain. */
- LIST_HEAD(, proc) pg_members; /* Pointer to pgrp members. */
- struct session *pg_session; /* Pointer to session. */
- pid_t pg_id; /* Pgrp id. */
- int pg_jobc; /* # procs qualifying pgrp for job control */
+ LIST_ENTRY(pgrp) pg_hash; /* Hash chain. (LL) */
+ LIST_HEAD(, proc) pg_members; /* Pointer to pgrp members. (PGL) */
+ struct session * pg_session; /* Pointer to session. (LL ) */
+ pid_t pg_id; /* Pgrp id. (static) */
+ int pg_jobc; /* # procs qualifying pgrp for job control (PGL) */
+ int pg_membercnt; /* Number of processes in the pgrocess group (PGL) */
+ int pg_refcount; /* number of current iterators (LL) */
+ unsigned int pg_listflags; /* (LL) */
+ lck_mtx_t pg_mlock; /* mutex lock to protect pgrp */
};
+#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
-#define p_session p_pgrp->pg_session
-#define p_pgid p_pgrp->pg_id
-
/*
* Description of a process.
*
* is running.
*/
struct proc {
- LIST_ENTRY(proc) p_list; /* List of all processes. */
+ LIST_ENTRY(proc) p_list; /* List of all processes. */
- /* substructures: */
- struct ucred *p_ucred; /* Process owner's identity. */
- struct filedesc *p_fd; /* Ptr to open files structure. */
- struct pstats *p_stats; /* Accounting/statistics (PROC ONLY). */
- struct plimit *p_limit; /* Process limits. */
- struct sigacts *p_sigacts; /* Signal actions, state (PROC ONLY). */
+ pid_t p_pid; /* Process identifier. (static)*/
+ void * task; /* corresponding task (static)*/
+ struct proc * p_pptr; /* Pointer to parent process.(LL) */
+ pid_t p_ppid; /* process's parent pid number */
+ pid_t p_pgrpid; /* process group id of the process (LL)*/
-#define p_rlimit p_limit->pl_rlimit
+ lck_mtx_t p_mlock; /* mutex lock for proc */
- int p_flag; /* P_* flags. */
- char p_stat; /* S* process status. */
- char p_shutdownstate;
- char p_pad1[2];
+ char p_stat; /* S* process status. (PL)*/
+ char p_shutdownstate;
+ char p_kdebug; /* P_KDEBUG eq (CC)*/
+ char p_btrace; /* P_BTRACE eq (CC)*/
- pid_t p_pid; /* Process identifier. */
- LIST_ENTRY(proc) p_pglist; /* List of processes in pgrp. */
- struct proc *p_pptr; /* Pointer to parent process. */
- LIST_ENTRY(proc) p_sibling; /* List of sibling processes. */
- LIST_HEAD(, proc) p_children; /* Pointer to list of children. */
+ LIST_ENTRY(proc) p_pglist; /* List of processes in pgrp.(PGL) */
+ LIST_ENTRY(proc) p_sibling; /* List of sibling processes. (LL)*/
+ LIST_HEAD(, proc) p_children; /* Pointer to list of children. (LL)*/
+ TAILQ_HEAD( , uthread) p_uthlist; /* List of uthreads (PL) */
-/* The following fields are all zeroed upon creation in fork. */
-#define p_startzero p_oppid
+ LIST_ENTRY(proc) p_hash; /* Hash chain. (LL)*/
+ TAILQ_HEAD( ,eventqelt) p_evlist; /* (PL) */
- pid_t p_oppid; /* Save parent pid during ptrace. XXX */
- int p_dupfd; /* Sideways return value from fdopen. XXX */
+ lck_mtx_t p_fdmlock; /* proc lock to protect fdesc */
- /* scheduling */
- u_int p_estcpu; /* Time averaged value of p_cpticks. */
- int p_cpticks; /* Ticks of cpu time. */
- fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */
- void *p_wchan; /* Sleep address. */
- char *p_wmesg; /* Reason for sleep. */
- u_int p_swtime; /* DEPRECATED (Time swapped in or out.) */
-#define p_argslen p_swtime /* Length of process arguments. */
- u_int p_slptime; /* Time since last blocked. */
+ /* substructures: */
+ kauth_cred_t p_ucred; /* Process owner's identity. (PL) */
+ struct filedesc *p_fd; /* Ptr to open files structure. (PFDL) */
+ struct pstats *p_stats; /* Accounting/statistics (PL). */
+ struct plimit *p_limit; /* Process limits.(PL) */
- struct itimerval p_realtimer; /* Alarm timer. */
- struct timeval p_rtime; /* Real time. */
- u_quad_t p_uticks; /* Statclock hits in user mode. */
- u_quad_t p_sticks; /* Statclock hits in system mode. */
- u_quad_t p_iticks; /* Statclock hits processing intr. */
+ struct sigacts *p_sigacts; /* Signal actions, state (PL) */
+ lck_spin_t p_slock; /* spin lock for itimer/profil protection */
- int p_traceflag; /* Kernel trace points. */
- struct vnode *p_tracep; /* Trace to vnode. */
+#define p_rlimit p_limit->pl_rlimit
- sigset_t p_siglist; /* DEPRECATED. */
+ struct plimit *p_olimit; /* old process limits - not inherited by child (PL) */
+ unsigned int p_flag; /* P_* flags. (atomic bit ops) */
+ unsigned int p_lflag; /* local flags (PL) */
+ unsigned int p_listflag; /* list flags (LL) */
+ unsigned int p_ladvflag; /* local adv flags (atomic) */
+ int p_refcount; /* number of outstanding users(LL) */
+ int p_childrencnt; /* children holding ref on parent (LL) */
+ int p_parentref; /* children lookup ref on parent (LL) */
+
+ pid_t p_oppid; /* Save parent pid during ptrace. XXX */
+ u_int p_xstat; /* Exit status for wait; also stop signal. */
+
+#ifdef _PROC_HAS_SCHEDINFO_
+ /* may need cleanup, not used */
+ u_int p_estcpu; /* Time averaged value of p_cpticks.(used by aio and proc_comapre) */
+ fixpt_t p_pctcpu; /* %cpu for this process during p_swtime (used by aio)*/
+ u_int p_slptime; /* used by proc_compare */
+#endif /* _PROC_HAS_SCHEDINFO_ */
+
+ struct itimerval p_realtimer; /* Alarm timer. (PSL) */
+ struct timeval p_rtime; /* Real time.(PSL) */
+ struct itimerval p_vtimer_user; /* Virtual timers.(PSL) */
+ struct itimerval p_vtimer_prof; /* (PSL) */
+
+ struct timeval p_rlim_cpu; /* Remaining rlim cpu value.(PSL) */
+ int p_debugger; /* NU 1: can exec set-bit programs if suser */
+ boolean_t sigwait; /* indication to suspend (PL) */
+ void *sigwait_thread; /* 'thread' holding sigwait(PL) */
+ void *exit_thread; /* Which thread is exiting(PL) */
+ int p_vforkcnt; /* number of outstanding vforks(PL) */
+ void * p_vforkact; /* activation running this vfork proc)(static) */
+ int p_fpdrainwait; /* (PFDL) */
+ pid_t p_contproc; /* last PID to send us a SIGCONT (PL) */
+
+ /* Following fields are info from SIGCHLD (PL) */
+ pid_t si_pid; /* (PL) */
+ u_int si_status; /* (PL) */
+ u_int si_code; /* (PL) */
+ uid_t si_uid; /* (PL) */
+
+ void * vm_shm; /* (SYSV SHM Lock) for sysV shared memory */
+
+#if CONFIG_DTRACE
+ user_addr_t p_dtrace_argv; /* (write once, read only after that) */
+ user_addr_t p_dtrace_envp; /* (write once, read only after that) */
+ lck_mtx_t p_dtrace_sprlock; /* sun proc lock emulation */
+ int p_dtrace_probes; /* (PL) are there probes for this proc? */
+ u_int p_dtrace_count; /* (sprlock) number of DTrace tracepoints */
+ struct dtrace_ptss_page* p_dtrace_ptss_pages; /* (sprlock) list of user ptss pages */
+ struct dtrace_ptss_page_entry* p_dtrace_ptss_free_list; /* (atomic) list of individual ptss entries */
+ struct dtrace_helpers* p_dtrace_helpers; /* (dtrace_lock) DTrace per-proc private */
+ struct dof_ioctl_data* p_dtrace_lazy_dofs; /* (sprlock) unloaded dof_helper_t's */
+#endif /* CONFIG_DTRACE */
+
+/* XXXXXXXXXXXXX BCOPY'ed on fork XXXXXXXXXXXXXXXX */
+/* The following fields are all copied upon creation in fork. */
+#define p_startcopy p_argslen
+ u_int p_argslen; /* Length of process arguments. */
+ int p_argc; /* saved argc for sysctl_procargs() */
+ user_addr_t user_stack; /* where user stack was allocated */
struct vnode *p_textvp; /* Vnode of executable. */
+ off_t p_textoff; /* offset in executable vnode */
-/* End area that is zeroed on creation. */
-#define p_endzero p_hash.le_next
-
- /*
- * Not copied, not zero'ed.
- * Belongs after p_pid, but here to avoid shifting proc elements.
- */
- LIST_ENTRY(proc) p_hash; /* Hash chain. */
- TAILQ_HEAD( ,eventqelt) p_evlist;
+ sigset_t p_sigmask; /* DEPRECATED */
+ sigset_t p_sigignore; /* Signals being ignored. (PL) */
+ sigset_t p_sigcatch; /* Signals being caught by user.(PL) */
-/* The following fields are all copied upon creation in fork. */
-#define p_startcopy p_sigmask
+ u_char p_priority; /* (NU) Process priority. */
+ u_char p_resv0; /* (NU) User-priority based on p_cpu and p_nice. */
+ char p_nice; /* Process "nice" value.(PL) */
+ u_char p_resv1; /* (NU) User-priority based on p_cpu and p_nice. */
- sigset_t p_sigmask; /* DEPRECATED */
- sigset_t p_sigignore; /* Signals being ignored. */
- sigset_t p_sigcatch; /* Signals being caught by user. */
+#if CONFIG_MACF
+ int p_mac_enforce; /* MAC policy enforcement control */
+#endif
- u_char p_priority; /* Process priority. */
- u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */
- char p_nice; /* Process "nice" value. */
char p_comm[MAXCOMLEN+1];
+ char p_name[(2*MAXCOMLEN)+1]; /* PL */
- struct pgrp *p_pgrp; /* Pointer to process group. */
+ struct pgrp *p_pgrp; /* Pointer to process group. (LL) */
+ int p_iopol_disk; /* disk I/O policy (PL) */
+ uint32_t p_csflags; /* flags for codesign (PL) */
/* End area that is copied on creation. */
-#define p_endcopy p_xstat
-
- u_short p_xstat; /* Exit status for wait; also stop signal. */
- u_short p_acflag; /* Accounting flags. */
- struct rusage *p_ru; /* Exit information. XXX */
-
- int p_debugger; /* 1: can exec set-bit programs if suser */
-
- void *task; /* corresponding task */
- void *sigwait_thread; /* 'thread' holding sigwait */
- char signal_lock[72];
- boolean_t sigwait; /* indication to suspend */
- void *exit_thread; /* Which thread is exiting? */
- user_addr_t user_stack; /* where user stack was allocated */
- void * exitarg; /* exit arg for proc terminate */
- void * vm_shm; /* for sysV shared memory */
- int p_argc; /* saved argc for sysctl_procargs() */
- int p_vforkcnt; /* number of outstanding vforks */
- void * p_vforkact; /* activation running this vfork proc */
- TAILQ_HEAD( , uthread) p_uthlist; /* List of uthreads */
- /* Following fields are info from SIGCHLD */
- pid_t si_pid;
- u_short si_status;
- u_short si_code;
- uid_t si_uid;
- TAILQ_HEAD( , aio_workq_entry ) aio_activeq; /* active async IO requests */
+/* XXXXXXXXXXXXX End of BCOPY'ed on fork (AIOLOCK)XXXXXXXXXXXXXXXX */
+#define p_endcopy aio_active_count
int aio_active_count; /* entries on aio_activeq */
- TAILQ_HEAD( , aio_workq_entry ) aio_doneq; /* completed async IO requests */
int aio_done_count; /* entries on aio_doneq */
+ TAILQ_HEAD( , aio_workq_entry ) aio_activeq; /* active async IO requests */
+ TAILQ_HEAD( , aio_workq_entry ) aio_doneq; /* completed async IO requests */
+
+ struct klist p_klist; /* knote list (PL ?)*/
+
+ struct rusage *p_ru; /* Exit information. (PL) */
+ thread_t p_signalholder;
+ thread_t p_transholder;
+
+ /* DEPRECATE following field */
+ u_short p_acflag; /* Accounting flags. */
- struct klist p_klist; /* knote list */
- lck_mtx_t p_mlock; /* proc lock to protect evques */
- lck_mtx_t p_fdmlock; /* proc lock to protect evques */
+ struct lctx *p_lctx; /* Pointer to login context. */
+ LIST_ENTRY(proc) p_lclist; /* List of processes in lctx. */
+ user_addr_t p_threadstart; /* pthread start fn */
+ user_addr_t p_wqthread; /* pthread workqueue fn */
+ int p_pthsize; /* pthread size */
+ void * p_wqptr; /* workq ptr */
+ int p_wqsize; /* allocated size */
+ lck_mtx_t p_wqlock; /* lock to protect work queue */
+ struct timeval p_start; /* starting time */
+ void * p_rcall;
+ int p_ractive;
+ int p_idversion; /* version of process identity */
+#if DIAGNOSTIC
unsigned int p_fdlock_pc[4];
unsigned int p_fdunlock_pc[4];
- int p_fpdrainwait;
- unsigned int p_lflag; /* local flags */
- unsigned int p_ladvflag; /* local adv flags*/
- unsigned int p_internalref; /* temp refcount field */
-#if DIAGNOSTIC
#if SIGNAL_DEBUG
unsigned int lockpc[8];
unsigned int unlockpc[8];
#endif /* DIAGNOSTIC */
};
+#define PGRPID_DEAD 0xdeaddead
+
+/* p_listflag */
+#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
+/* 0x4000 & 0x8000 Not used */
+#define P_LIST_INHASH 0x00010000 /* process is in hash */
+#define P_LIST_INPGRP 0x00020000 /* process is in pgrp */
+#define P_LIST_PGRPTRANS 0x00040000 /* pgrp is getting replaced */
+#define P_LIST_PGRPTRWAIT 0x00080000 /* wait for pgrp replacement */
+
/* local flags */
-#define P_LDELAYTERM 0x1 /* */
-#define P_LNOZOMB 0x2 /* */
-#define P_LLOW_PRI_IO 0x4
-#define P_LPEXIT 0x8
-#define P_LBACKGROUND_IO 0x10
-#define P_LWAITING 0x20
-#define P_LREFDRAIN 0x40
-#define P_LREFDRAINWAIT 0x80
-#define P_LREFDEAD 0x100
+#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 /* process in exec or in creation */
+#define P_LTRANSWAIT 0x00000080 /* waiting for trans to complete */
+#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
/* advisory flags in the proc */
#define P_LADVLOCK 0x01
-// LP64todo - should this move?
+/* defns for proc_iterate */
+#define PROC_ALLPROCLIST 1 /* walk the allproc list (procs not exited yet) */
+#define PROC_ZOMBPROCLIST 2 /* walk the zombie list */
+#define PROC_NOWAITTRANS 4 /* do not wait for transitions (checkdirs only) */
+
+/* defns for pgrp_iterate */
+#define PGRP_DROPREF 1
+#define PGRP_BLOCKITERATE 2
+
+/* return values of the proc iteration callback routine */
+#define PROC_RETURNED 0
+#define PROC_RETURNED_DONE 1
+#define PROC_CLAIMED 2
+#define PROC_CLAIMED_DONE 3
+
+
/* LP64 version of extern_proc. all pointers
* grow when we're dealing with a 64-bit process.
* WARNING - keep in sync with extern_proc
#ifdef KERNEL
#include <sys/time.h> /* user_timeval, user_itimerval */
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=natural
-#endif
-
struct user_extern_proc {
union {
struct {
pid_t p_oppid; /* Save parent pid during ptrace. XXX */
int p_dupfd; /* Sideways return value from fdopen. XXX */
/* Mach related */
- user_addr_t user_stack; /* where user stack was allocated */
+ user_addr_t user_stack __attribute((aligned(8))); /* where user stack was allocated */
user_addr_t exit_thread; /* XXX Which thread is exiting? */
int p_debugger; /* allow to debug */
boolean_t sigwait; /* indication to suspend */
u_int p_estcpu; /* Time averaged value of p_cpticks. */
int p_cpticks; /* Ticks of cpu time. */
fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */
- user_addr_t p_wchan; /* Sleep address. */
+ user_addr_t p_wchan __attribute((aligned(8))); /* Sleep address. */
user_addr_t p_wmesg; /* Reason for sleep. */
u_int p_swtime; /* Time swapped in or out. */
u_int p_slptime; /* Time since last blocked. */
u_quad_t p_sticks; /* Statclock hits in system mode. */
u_quad_t p_iticks; /* Statclock hits processing intr. */
int p_traceflag; /* Kernel trace points. */
- user_addr_t p_tracep; /* Trace to vnode. */
+ user_addr_t p_tracep __attribute((aligned(8))); /* Trace to vnode. */
int p_siglist; /* DEPRECATED */
- user_addr_t p_textvp; /* Vnode of executable. */
+ user_addr_t p_textvp __attribute((aligned(8))); /* Vnode of executable. */
int p_holdcnt; /* If non-zero, don't swap. */
sigset_t p_sigmask; /* DEPRECATED. */
sigset_t p_sigignore; /* Signals being ignored. */
u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */
char p_nice; /* Process "nice" value. */
char p_comm[MAXCOMLEN+1];
- user_addr_t p_pgrp; /* Pointer to process group. */
+ user_addr_t p_pgrp __attribute((aligned(8))); /* Pointer to process group. */
user_addr_t p_addr; /* Kernel virtual addr of u-area (PROC ONLY). */
u_short p_xstat; /* Exit status for wait; also stop signal. */
u_short p_acflag; /* Accounting flags. */
- user_addr_t p_ru; /* Exit information. XXX */
+ user_addr_t p_ru __attribute((aligned(8))); /* Exit information. XXX */
};
-
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=reset
-#endif
#endif /* KERNEL */
/*
* as it is used to represent "no process group".
*/
extern int nprocs, maxproc; /* Current and max number of procs. */
+extern int maxprocperuid; /* Current number of procs per uid */
__private_extern__ int hard_maxproc; /* hard limit */
-#define PID_MAX 30000
-#define NO_PID 30001
-
-#define SESS_LEADER(p) ((p)->p_session->s_leader == (p))
-#define SESSHOLD(s) ((s)->s_count++)
-#define SESSRELE(s) sessrele(s)
+#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))
+
+/* Lock and unlock a login context. */
+#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;
#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;
extern struct proclist allproc; /* List of all processes. */
extern struct proclist zombproc; /* List of zombie processes. */
extern struct proc *initproc;
-extern void pgdelete(struct pgrp *pgrp);
-extern void sessrele(struct session *sess);
-extern void procinit(void);
+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 *);
-__private_extern__ char *proc_core_name(const char *name, uid_t uid, pid_t pid);
+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 *);
-extern struct proc *pfind(pid_t); /* Find process by id. */
__private_extern__ struct proc *pzfind(pid_t); /* Find zombie by id. */
-extern struct pgrp *pgfind(pid_t); /* Find process group by id. */
+
+extern struct lctx *lcfind(pid_t); /* Find a login context by id */
+extern struct lctx *lccreate(void); /* Create a new login context */
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 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(thread_t th_act, struct proc *p, struct proc *p2, register_t *retval);
-extern struct proc * proc_findref(pid_t pid);
-extern void proc_dropref(struct proc * p);
-extern struct proc * proc_refinternal(proc_t p, int funneled);
-extern void proc_dropinternal(struct proc * p, int funneled);
-
+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 /* !_SYS_PROC_INTERNAL_H_ */
projects / apple / xnu.git / blobdiff